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Demand Forecasting: The Art of Knowing What You Need Before You Need It
08/17/2018 | Patty Rasmussen, East West Manufacturing
5 Supply Chain Questions to Ask Your Assembly Partner
08/16/2018 | Neil Sharp, JJS Manufacturing
Cross Functional Teams Drive Strong Focus on Risk Mitigation and Quality
08/15/2018 | Sandy Kolp, Firstronic
Best Practices to Achieve Zero Defects
08/14/2018 | Stephanie Weaver, Zentech Manufacturing Inc.
We Have the Best Practice for That
08/13/2018 | Stephen Las Marias, I-Connect007
SMT :: Test & Inspection
Best Practices to Achieve Zero Defects
To ensure that a complex electronics build can be completed on time, on budget and with zero defects, here is a list of checks and balances that will help you with adjustments or corrections real time, instead of discovering them at the end of the build or worse, when it's already arrived at the end user.
AXI 4.0 in a Smart Factory Environment
Outstanding quality is vital to be able to survive the fierce competition between contract manufacturers. Here's how one EMS provider address inspection challenges and board complexities to ensure the quality and reliability of their PCB assemblies.
Aegis on CFX and Hermes Efforts
The Connected Factory Exchange (CFX) specification is truly revolutionizing the PCB industry. Michael Ford, from Aegis Software, met with I-Connect007's Barry Matties for an interview during the SMT Hybrid Packaging show in Nuremberg, Germany, to discuss the impact of this collaborative effort, and how it differs from the Hermes Standard.
Dave Bergman on IPC and CFX
The recent SMT Hybrid Packaging show in Nuremberg, Germany, marked the second opportunity for IPC to showcase its new Connected Factory Exchange (CFX) initiative. In this interview, David Bergman, VP for international relations at IPC, tells us more on the overall reception of CFX and the benefits users are seeing thus far. He also provides an update on what’s next for the open source standard.
It’s Time to Retire ROSE Testing
Over the last two to three years, there has been considerable discussion within various IPC committees about the role of the ROSE test in today's assembly environment. The transition from predominantly water wash processes to "no clean" has meant the advent of very different flux compositions. The question has been posed as to whether the ROSE test is still a viable option for evaluating PCB and PCBA cleanliness.
DFT Strategy Needed for 5G Assembly
Mathieu Kury of Asteelflash USA Corp. provides an overview of 5G, the opportunities in the market, and how it will impact the electronics manufacturing industry. He also discusses the key challenges from an EMS standpoint and how to become successful when 5G really arrives.
5G: Testing the Future Impact
The impending arrival of 5G is not without its entourage of challenges that will require a different approach in the electronics manufacturing process. One that is already impacting the electronics manufacturers and assemblers is the testing of the devices. Industry analyst firm Occams Business Research Consulting expects the global 5G network infrastructure market to register a 70% CAGR from 2016 to 2023 and reach up to $28 billion by the end of the forecast period. North America is the leading market for 5G network.
5G Requires a New Approach to Testing
The industry will be deploying 5G at millimeter wave frequencies between 28 and 40GHz, with significantly wider bandwidths than the current instrumentation. And the rules about how you design a test fixture, or conduct testing of those products is changing. In this article, National Instrument's David Hall explains.
Conversation with… Keysight: Challenges and Opportunities in Testing 5G
Roger Nichols, 5G program manager at test and measurement provider Keysight Technologies Inc., discusses the opportunities that 5G will enable, the many challenges facing electronics manufacturers when it comes to 5G, and how they are helping the industry address these issues.
Elements to Consider on BGA Assembly Process Capability
As a cutting-edge technology applied in SMT assembly, BGA packages have quickly become a significant selection to conform to fine pitch and ultrafine pitch technology, achieving high-density interconnection with a reliable assembly technology provided, which leads to the increasingly more applications of this type of package.
RTW IPC APEX EXPO: Indium's Brook Sandy-Smith on PMI-Squared
Indium Corporation's Brook Sandy-Smith discusses ionic process residues on PCB assemblies and introduces the concept of "PMI-squared" (process material interaction investigation), the topic of an IPC Technical Buzz Session at IPC APEX EXPO 2018.
RTW IPC APEX EXPO: Inspection Technology Developments
Brian D'Amico, president of Mirtec Corp., speaks with I-Connect007 Technical Editor Pete Starkey about the challenges of miniaturization, increasing component density, and the shadowing of small components by taller ones, and how Mirtec has developed its inspection technology to ensure they remain at the leading edge.
RTW IPC APEX EXPO: Koh Young Discusses New Equipment and Data Challenges
Joel Scutchfield, Americas Sales Manager for Koh Young, discusses the company's latest inspection equipment and some of the challenges of providing customers the data they need for the real achievement of smart factory realization.
Vehicle Electrification: Disrupting the Automotive Industry and Beyond
Around the globe, governments are announcing mandates that will bring about the demise of the internal combustion engine. China has led the charge by requiring 8% of new vehicles on the road to be “new energy” or zero emission vehicles in 2018, up from the current 2–3% on the road today. Similar strong government regulations limiting the future of the internal combustion engine have passed around the world, and the importance and growth of the hybrid and fully electric automobile industry can’t be overstated.
What's the Scoop? APEX CFX Showcase
The IPC Connected Factory Exchange (CFX) demo at the recent IPC APEX EXPO 2018 trade show in San Diego, California, is a great example of industry collaboration. The CFX Showcase at APEX had 245,000 CFX website page views; 701,200 CFX messages transmitted; and 664.5 million bytes of data exchanged; and the whole thing was pulled together in a matter of weeks. Here's what the participants in the program have got to say.
RTW IPC APEX EXPO: Mycronic Broadens Product Portfolio
Thomas Stetter, senior vice president of assembly at Mycronic, discussed with I-Connect007's Pete Starkey how their company continues to broaden their product portfolio towards a full-line SMT solution and the Industry 4.0 automated factory.
Automotive Electronics Still in the Driver’s Seat
The past year was one of the strongest years that the PCB supply chain and the rest of the electronics manufacturing industry in general, has seen. Everyone we talked to at the shows were optimistic that the strong growth in the industry in 2017 will continue through 2018. And most industry players point to one thing when it comes to what’s driving this strong growth—automotive electronics.
Why AOI is a Must-have for PCB Assembly
AOI has an invaluable role to play in speeding up the process of PCB production, in ensuring extreme precision to catch even the smallest of defects, and in minimizing the potential for time-consuming and costly reworking.
Dr. Bill Cardoso of Creative Electron Talks About IPC’s CFX Standard
Creative Electron's Dr. Bill Cardoso is a member of the CFX committee and has equipment in the CFX showcase at APEX in San Diego from February 27 to March 1. In an interview, he talks about the standard and the group that has delivered such a successful collaboration.
Mycronic Announces the Acquisition of Vi TECHNOLOGY
Mycronic recently announced the acquisition of Vi TECHNOLOGY, with the intent of combining VIT’s inspection technology with Mycronic’s jetting capabilities. In an interview with I-Connect007, Olivier Pirou, Managing Director of VIT, discusses more about the merger and how this will help VIT contend in such a competitive environment.
9 Essentials of an Electronics Contract Manufacturer
Differentiating between the best contract electronics manufacturing providers and those that are sub-par can initially seem tricky. In order to help you make the best and most educated decision possible, here are nine essentials to look for when hiring an electronics manufacturing service.
Improving SMT Yield and Reducing Defects: A Rauland Case Study
Ever-increasing demand for more complex boards that have higher densities of components means more challenges for SMT assembly operations and yields. Smaller component sizes and more densely packed PCBs lead to more powerful designs in much smaller product packages. These advancements have spurred a new set of challenges in building smaller and more complex assemblies.
Selecting X-Ray Inspection Equipment
Automated optical inspection (AOI) is an established, key process control in the SMT industry that greatly increases confidence in the quality of the finished product. But what do you do about devices where you cannot optically see the solder connections? X-ray inspection provides the answer.
The Importance of Product Testing for Quality, Reliability and Durability
One really vital piece of the product development process is product testing for quality, reliability and durability. You need to find out whether your product will do what it's supposed to do—that's quality. You also need to learn whether it will do what it's supposed to do over and over again, even when conditions aren't ideal—that's reliability and durability.
Top 10 Most-Read SMT Articles of 2017
Every year, we like to take a look back at the most popular SMT news and articles. These are the top 10 most-read SMT articles from the past year.
Mirtec Succeeding Through Inspection Innovation
David Bennett, president of Mirtec Europe, speaks with I-Connect007 Technical Editor Pete Starkey about the company's latest inspection technologies, the challenges that miniaturization can bring, and Mirtec's efforts to stay on the leading edge and never be a “me too” company.
Industry 4.0 and the Platform-Based Approach to Testing
Chandran Nair, the vice president for Asia Pacific at National Instruments, explains how the Industry 4.0 vision will change electronics manufacturing. He discusses key technology enablers that would drive the evolution of manufacturing processes, and how a platform-based approach can help improve test and measurement.
Koh Young Europe Ready for Next Year, and Beyond
Harald Eppinger, managing director of Koh Young Europe, speaks with I-Connect007 Managing Editor Andy Shaughnessy about the demands of the European market, the company's long-standing success with its solutions, and the future of Koh Young Europe.
Solder Printing Process Inputs Impacting Distribution of Paste Volume
The volume of solder deposition, like any process, has variations that may be characterized by a statistical distribution curve, whether normal or non-normal. As complexity, density, cost and reliability requirements increase, there may be value in narrowing the distribution curve. It is common sense that less variation serves the interest of quality of the more complex and dense circuit boards.
Insights from productronica
The recently held productronica was a busy exhibition. There were booths that were so crowded that people were standing in the aisle to talk with company representatives. But some booths were nearly empty. Read to find Dieter G. Weiss' comments on this biennial show.
Video from productronica 2017: YXLON Moves Away from One-Size-Fits-All Approach
Keith Bryant, global director for electronics sales at YXLON International, speaks with I-Connect007 Technical Editor Pete Starkey about their latest X-ray inspection machines that are designed as a specific fit for its own market sector. He also talks about what's state of the art right now in X-ray inspection systems, as well as updates on the progress of the integration of SMART Group into the SMTA.
Video from productronica 2017: Mycronic Discusses Precision Jetting Systems
From the show floor during productronica 2017, Clemens Jargon, VP of Global Dispensing at Mycronic, discusses with I-Connect007 Technical Editor Pete Starkey the company’s portfolio of precision jetting equipment, with particular reference to the speed and versatility of the MYSmart series.
Video from productronica 2017: Goepel Highlights Updates on X-Line 3D In-line System
At productronica 2017 in Munich, Germany, Goepel electronic's Andreas Turk, head of AXI Systems, explains the latest enhancements to their X-Line 3D in-line system for high-end inspection. He also discusses the benefits of the Stingray Detector option.
Dealing with Vias-in-Pad
Screaming Circuits, a division of EMS firm Milwaukee Electronics, specializes in short-run, one-off, and prototype PCB assembly. In an interview with SMT Magazine, Duane Benson, CTO of Screaming Circuits, talks about the challenges when dealing with microvias and vias-in-pad from an assembly standpoint, and how in-circuit test issues, such as access to test points, can be addressed.
Moving Toward the Zero-Defect Line
During the recent NEPCON South China exhibition in Shenzhen, Olivier Pirou, chief operating officer of Vi TECHNOLOGY, talks about achieving the perfect solder joint from the point of view of an inspection systems provider, and how manufacturers can strategize to achieve a zero-defect line.
Test Solutions Your EMS Partner Should Offer
When looking to outsource your manufacturing, you need to know that your chosen EMS partner has good test solutions in place so that they can produce consistent, high-quality products to your customers’ requirements. This article highlights the importance of test, and outlines the different types of test your EMS partner should offer.
Eight Factors a CEM Should Know About its Suppliers
Selecting a contract electronics manufacturer (CEM) that fits well with your outsourcing strategy can be a difficult and long process. But, by taking the time to research and investigate potential shortlisted partners, you are much more likely to reap the benefits further down the line.
RTW SMTAI: Mentor Eases Programming in Viscom Inspection Systems
Jesper Lykke, engineering manager for USA of Viscom AG, and Zac Elliott, technical marketing engineer at Mentor, speak with I-Connect007 Managing Editor Andy Shaughnessy about Viscom's adoption of the Valor Process Preparation and how it is helping users with their inspection programming.
RTW SMTAI: How Automation and Government Support Can Help Reshoring Drive
Alex Malek, vice president of sales and service for North America of SAKI, speaks with I-Connect007 Managing Editor Andy Shaughnessy about how automation and government investment can help bring back manufacturing jobs from overseas.
RTW SMTAI: MIRTEC on Staying Ahead of the Curve
Brian D’Amico, president of MIRTEC, talks with I-Connect007 Managing Editor Andy Shaughnessy about some of the latest 3D AOI challenges, including dealing with highly reflective surfaces of solder joints or wafer-level die, which make it impossible to characterize in 3D. He says it's not just plain SMT boards anymore, but an integration of wafer-level manufacturing, which they see as coming down more and more.
Verification of Inspection Results: Local, Central, Global?
With the need for flexibility in production processes amid increasing globalized manufacturing strategies, manufacturers should consider powerful inspection tools that not only provide central verification of numerous lines in local and overseas production sites, but also with a comprehensive presentation of inspection results.
X-Ray Inspection of Lead and Lead-Free Solder Joints
As aerospace companies consider the shift to lead-free solder alloys and glues, concerns have been raised about whether their current X-ray inspection and quality-control procedures will still be valid. With lead solder, joints are easily interpreted by the operator or the system imaging software because lead provides excellent image contrasts due to relatively high X-ray absorption compared to that of PCB and component materials. Will this hold true as they shift to lead-free solder compounds?
Assembly Training and Education
Even if your PCB assembly process is optimized, there is always room for improvement. And no matter how successful your company has been in the past, you just can’t rest on your laurels. It is always in your best interest to strive towards a better operations model. We've created a survey to help us gauge the importance of training and education in your workforce, and the benefits that you get in ensuring that your operators and engineers have the most current knowledge and skill sets.
High-Volume Test Strategies
In an interview with I-Connect007 during the recent NEPCON China event in Shanghai, Siegmund Hornig, director of global sales for Europe and Asia, for production board test division at Teradyne discusses the new testing demands from customers, and strategies to help them address their high-volume test requirements.
Koh Young Discusses Latest 3D AOI Innovations
Koh Young Technology's Scott Kim, overseas sales team manager, talks about the latest challenges and developments happening in inspection technologies, the new demands and requirements from customers, as well as the key factors to consider when it comes to buying inspection systems.
AOI Capabilities Study with 03015 Components
More EMS companies are implementing AOI into their SMT lines to minimize repair costs and maintain good process and product quality, especially for new component types. This project focuses on the testing of 03015 components, which is challenging for AOI.
3D Inspection is the Way to Go
In an interview with SMT Magazine during NEPCON China, Guido Bornemann, head of sales in Asia for Viscom, discusses how inspection technology is keeping up with the latest requirements and demands from customers. He also explains why 3D technology is the best inspection technology to utilize in electronics assembly.
Saki Discusses Industry 4.0 and True 3D Technology
Quintin Armstrong, general manager for North America Sales and Service at Saki America, speaks to SMT Magazine about the Industry 4.0 strategy for inspection equipment providers. He also talks about why manufacturers are finding it more and more relevant to have an inspection line in their assembly lines now.
3D: Towards Better Inspection Capability
For this month's issue of SMT Magazine, we spoke with Mark McMeen, vice president of engineering at STI Electronics, to know more about the inspection challenges and requirements from an EMS provider's standpoint. We also talked with Jean-Marc Peallat, vice president of global sales at Vi TECHNOLOGY, to find out, from a supplier's perspective, how they are looking at these challenges and addressing them through their product development efforts.
2D X-ray Inspection With Materials and Thickness Identification
The need to inspect electronic components and assemblies non-destructively is the main driver behind the development of X-ray inspection technology. In many cases, X-ray inspection provides the only non-destructive techniques to inspect optically hidden components and solder joints such as BGA, POP, QFN, flip chips, through-holes, TSVs, microbumps, and copper pillars.
The Need for 3D AOI
While the coplanarity of height-sensitive devices such as BGA packages and leaded components can be inspected in 2D using multi-angled colored lighting and side-angle cameras, these will be susceptible to an increase in false calls, a need for additional programming and cycle time, and possible escapes. These factors underscore the need for 3D technology in inspection strategies.
RTW NEPCON China: Viscom Talks 3D AOI Developments
Guido Bornemann, head of sales for Asia at Viscom, speaks with I-Connect007 Editor Stephen Las Marias about inspection challenges such as false calls and improving first pass yields. He also talks about the latest developments in 3D AOI to address these issues as well as test strategies to achieve zero defects.
Assembly of Flexible Circuits
No matter the method, the assembly of electronic flexible circuits is tedious because of its inherent flexible nature. Therefore, we must give extra attention to the assembly process. This article details some of the key considerations when assembling flexible circuits.
Successful, Long-Term Growth at Prime Technological Services
Publisher Barry Matties sat down with Prime Technological Services CEO Greg Chesnutt at IPC APEX EXPO, to glean how they continue to find success and have been able to maintain such an impressive growth rate over the last four years.
Goepel electronic Talks Test and Inspection Innovations
Thomas Wenzel, managing director of the Embedded JTAG Solutions Business Development at Goepel electronic, discusses the latest technology innovations happening in the test and inspection segment, and the market trends shaping them.
RTW IPC APEX EXPO: The Power of Synergies with MacDermid Enthone and Alpha Assembly Solutions
Don Cullen, global director of marketing communications with MacDermid Enthone, and Tom Hunsinger, VP global marketing with Alpha Assembly Solutions explain the structure of MacDermid Performance Solutions, which combines the former MacDermid, Enthone and Alpha Assembly Materials businesses to provide PCB and EMS industries with enhanced innovation and service throughout the supply chain, with unified sales strategies and improved processes.
RTW IPC APEX EXPO: Mirtec Discusses Latest Developments in Inspection Technologies
Mirtec President Brian D’Amico talks about the latest in 2D and 3D AOI and SPI, and how to provide smaller users with affordable high-technology systems. He also talks about the sales success of the MV-6 OMNI series in-line full-3D AOI machine, which features advanced features such as 15-megapixel top-down camera and 3D digital multi-frequency Moire.
RTW IPC APEX EXPO: CyberOptics' Subodh Kulkarni Discusses Ultra-High-Resolution AOI
Dr. Subodh Kulkarni discusses the new bleeding-edge AOI technology CyberOptics has developed that will advance vision technology to a level not achievable today. MRS technology combines accuracy with speed, which have been mutually exclusive in the past.
RTW IPC APEX EXPO: 3D AOI Update With MEK
Henk Biemans of MEK Europe discusses with I-Connect007 Editor Andy Shaughnessy their latest developments in 3D AOI, and their efforts to educate their customers about this growing market.
What’s Driving the Rapidly Changing Electronics Assembly Industry
Since the EMS landscape has become so competitive, staying on top of new advances in technology and being able to rapidly adapt to changing customer needs, market demands, trends and technological advances is critical. This article highlights some examples of how electronics assembly technology developments have impacted the EMS industry in recent years and will likely continue shaping the industry in the future.
Continuous Improvement in Electronics Manufacturing
With so many variables and "opportunities" to create waste, electronics manufacturing services (EMS) companies have an on-going challenge to identify, address and then eliminate inefficient processes. This is where a continuous improvement approach can help.
Reflections on 40 Years of Test and Measurement and What Lies Ahead
Dr. James Truchard, President, CEO, and Cofounder of National Instruments, has penned his reflections on the last 40 years driving and leading some of the greatest progress and innovations the test and measurement industry has seen. In the article, he also leaves us with his thoughts on how he envisions the future to be.
Effect of Solder Composition, PCB Surface Finish and Solder Joint Volume on Drop-Shock Reliability
Lead free solder joint reliability in drop shock loading has been a recurring issue in mobile and handheld consumer electronics. Changing solder composition may offer an opportunity to improve joint drop reliability. This study focuses on different failure modes in circuit board assemblies as observed based on solder composition, board surface finish, and solder joint volume.
Successful Sales Strategies
At the recent NIDays 2016 event in Singapore, Matej Krajnc of National Instruments speaks with I-Connect007's Stephen Las Marias about the challenges for sales and marketing executives in the electronics manufacturing industry, effective sales strategies, and key attributes of a sales person. He also shares his outlook on some of the key technology trends for next year.
Boundary Scan Meets Functional Test
This article discusses some fundamental aspects of the combination of boundary scan and functional test, as well as new technological solutions for embedded functional tests and their practical implementation.
The Impact of Vias on PCB Assembly
Via technology has been one of the solutions to address the miniaturization and component density challenges in current electronic assemblies. However, vias are not without their own set of challenges. As per our recent survey, these include impedance matching, routing, placement of vias, minimum size limitations, aspect ratio, and the limitations for the PCB manufacturer.
Increasing Reliability through Predictive Analysis
At SMTA International 2016, Joe Russeau of Precision Analytical Laboratory discusses with I-Connect007's Patty Goldman the paper he was presented, which was co-authored by Mark Northrup and Tim Estes. The paper presents early data comparing the results of two different analytical test methods to determine how well they correlate with each other as predictors of PC board cleanliness and reliability.
Koh Young Talks AOI Landscape and Trends
During the recent NEPCON South China tradeshow in Shenzhen, Thomas Lau, sales manager for Southeast Asia at Koh Young Technology Inc., speaks with I-Connect007's Stephen Las Marias about the challenges and developments happening in the AOI sector.
Real Time with… SMTAI: Merger Puts Libra Industries in Driver's Seat
W. Scott Fillebrown, CTO of EMS firm Libra Industries, talks with I-Connect007’s Andy Shaughnessy about Libra’s acquisition of ACD last year, their migration to common platforms and systems, and how their latest equipment installations have helped improved efficiency and throughput in their manufacturing lines.
Real Time with... SMTAI: Mirtec’s Brian D’Amico Discusses Benefits of 3D Inspection Technologies
Brian D'Amico, president of Mirtec, discusses with I-Connect007’s Andy Shaughnessy why more and more manufacturers are adopting 3D inspection technologies, such as 3D AOI and 3D SPI systems. He also mentions the increasing use of very small components—such as the 0201s and 01005s—and the advent of the 03015s.
Digital X-Ray—For More Than Inspection
At the recent SMTA Ohio Expo, Sheri Martin, sales manager at YXLON, spoke with I-Connect007's Patty Goldman about her company, their digital X-ray system, and the value of joining such trade events, and the benefits of using X-ray when it comes to failure analysis.
Standardizing Platforms from Characterization to Production
Over the past decade, the intense focus to reduce the cost of testing has produced a significant shift from using turnkey automated test equipment to building in-house and cost-optimized testers based on off-the-shelf instrumentation. This shift to a custom tester approach has been a large factor in the success of modular instrumentation platforms in the electronics manufacturing industry. This article explains why.
Case Study: Flex Smart Factory at Fuyong
This paper discusses Flex's experience with their current project called Smart Factory, which is being implemented at their Fuyong facility in Shenzhen, China. It also highlights some of the benefits they have achieved, including traceability, improved productivity and quality, and minimized defects through process predictability.
The Industry Speaks
In the latest issue of SMT Magazine, we take a pause from covering the latest technology trends, challenges, and solutions in the electronics manufacturing and assembly industry. Instead, we are focusing on our readers—to give a voice to their thoughts on the industry, companies, jobs, interests, and even pain points when it comes to their respective specialties.
Nondestructive Inspection of Underfill Layers Stacked up in Ceramics-Organics-Ceramics Packages with SAT
Ceramics packages are being used in the electronics industry to operate the devices in harsh environments. This article reports a study on acoustic imaging technology for nondestructively inspecting underfill layers connecting organic interposers sandwiched between two ceramics substrates.
Event Review: 7th Electronic Materials and Processes for Space Workshop
This year's Electronic Materials and Processes for Space Workshop discussed a wide range of technology issues and developments when it comes to PCB fabrication and assembly for space applications. From addressing reliability issues to dealing with cracks that may form during thermal cycling, to REACH regulations and their impact on space hardware, and tin whisker growths. Barrie Dunn provides the highlights.
Condensation Testing—A New Approach
While the characterization of coating performance under high humidity conditions is detailed in well accepted IPC and IEC standards, the performance and testing under condensing conditions is not so well developed. This article talks about a new approach that has been developed where the test board is mounted on a substrate whose temperature can be independently controlled without changing the ambient condition.
Perfect Placement of Connectors and Pins: 3D Measurement of Swash Circumference and Embedment Depth
Manufacturers are faced with steadily increasing miniaturization and higher packing density in PCB assemblies. Packing densities, in particular, repeatedly create challenges in terms of testability, especially when high components such as connectors are fitted in close proximity to other components. This article looks at different handling and testing requirements for connectors.
Addressing New Testing & Inspection Challenges
NK Chari, marketing director for manufacturing technologies at the Electronic Industrial Solutions Group of Keysight Technologies, talked about the challenges in PCBA testing and inspection, tougher requirements for testing, and the need for functional testing. He also mentioned some best practices to consider to improve the PCBA testing and inspection process.
Case Study: Achieving Near-Perfect Reads of Data Matrix Codes in PCB Assemblies
The range of Data Matrix marking techniques and PCB materials means that the appearance of marks in PCB assemblies can vary dramatically from one situation to the next. In this case study, each PCB needs to be read at the time of solder inspection so the inspection results can be stored in a database. An integrated solution was developed to reduce the downtime required for opening the inspection machine and manually entering the labels of the PCB assemblies.
I-Connect Survey: Automation or Reducing Process Steps?
In our recent survey, we asked what is more important: automating a process or eliminating process steps. Interestingly, the results are 50-50: half of our respondents say automating a process is more important, while the remaining 50 percent consider eliminating a process step a key strategy.
Improving Test and Inspection
In our recent survey on PCBA test and inspection challenges, respondents consider the following to be among their biggest problems: probing to narrower traces and pads; testing boards with smaller and finer features and sizes; dry solder and other solder-related issues; finding sublayer defects; dealing with flat, no-lead components; and testing cycle time. This month, we look into different PCBA test and inspection strategies that address the key challenges in today’s electronics manufacturing and assembly environment.
SPI Parameter Considerations for Tighter Tolerances
In an interview with SMT Magazine, Vi Technology’s Jean-Marc Peallat and Chong Choon Hee speak about the solder paste inspection challenges when it comes to tighter tolerances and finer lines and pitches in board assemblies, and the latest innovations happening in the SPI space to help customers address these issues.
3D Solder Joint Reconstruction on SMD Based on 2D Images
Solder joint inspection has been a critical issue for quality control, mainly due to their specular reflections. AOI systems have been faced with the same difficulty for solder inspection. This paper presents an algorithm for 3D solder joint reconstruction, which gives 3D analysis capability to the traditional 2D AOI equipment, practically without increasing the financial cost and with no cycle time impact, bringing 2D AOI equipment back into the game of SMT technology.
Solder Paste Exploration
From the manufacturers of solder pastes, to equipment makers, all the way to the solder paste inspection guys, and the electronics assemblers who are using their products, I talked to the supply chain to find out what’s going on in the solder paste printing process, what factors impact the process, the challenges, and the best practices to consider to be able to address those challenges and improve efficiencies and yield in the SMT line.
RTW IPC APEX EXPO: Introbotix Highlights HF Tech for Nondestructive Testing
Brian Butler, president and CEO of Introbotix, speaks with I-Connect007 guest editor Bob Neves about using high-frequency test technology for insertion loss testing. He also talks about the HDP User Group and its current activities and initiatives.
Enabling Process Innovation through Test and Measurement Solutions
In an interview with I-Connect007, National Instruments Managing Director Matej Kranjc discussed how their platforms are enabling the development of intelligent systems of systems that help users make smarter business decisions, and how big data analysis is enabling process innovation in the electronics assembly line.
Taking the Gremlins Out of Your Process
Every step in your assembly line is supposed to be designed to perform optimally for you to have an efficient, reliable, robust and reproducible process. However, and as isolated as they may seem, "gremlins" sometimes appear and mess up the results of a batch. The latest issue of SMT Magazine features strategies that can help you address these issues.
IPC APEX EXPO: Mirtec's D'Amico Speaks on How 3D AOI Tackles SMT Inspection Challenges
Brian D'Amico, president of Mirtec, speaks with I-Connect007 guest editor Bob Neves about the inspection challenges in the SMT industry amid the continuing trend towards smaller devices and components, and how 3D AOI is helping manufacturers address these issues.
Design for Test in the U.S. Market
With most high-volume printed circuit assembly being sent outside the United States, we have a unique challenge for testing the lower volume/high turnover assemblies domestically. However, with a little planning and the right contract manufacturer (CM), test does not need to be an issue.
Evaluating the Tripod as an Alternative Cross-Sectioning Method
One alternative method for cross-sectioning SMT and PCB-related architectures is using a tripod fixture. In this article, Steve Ring of Foresite Inc.discusses the advantages of using this method in analyzing SMT and PCB sections.
The Road Less Traveled (Part 3): Why Process Controls and Pride Matter
In the last piece of this three-part article series, Zentech Manufacturing Inc.'s Judy Warner writes about the importance of SMT process controls and pride of ownership, and how having them as part of the company culture can lead to manufacturing and service excellence and success.
Medical EMS: Opportunities Abound
Megatrends such as the increasingly ageing population and growing demand in emerging economies worldwide bode well for the medical electronics assembly industry. However, challenges such as margin pressures, compliance costs and risks, supply chain instability, and new product introduction headaches are hindering a more aggressive prognosis of the industry. But, with innovation, medical manufacturers can churn out more.
Top 10 Factors to Consider When Selecting a Medical EMS Company
Once the decision has been made to use an EMS company, selecting the right one involves several steps. Although most EMS companies perform the same basic services, every EMS company is different. In this article, Mo Ohady and David Estes of Digicom Electronics write the 10 key factors to consider when selecting your medical EMS company.
Medical Electronics: Manufacturing Vitals
With the rapidly growing aging population, rising healthcare costs and increasing health awareness, opportunities abound in consumer medical devices, diagnostics, imaging, and instrumentation. However, the medical electronics industry is not without its own set of challenges. The January 2016 issue of SMT Magazine highlights the manufacturing challenges and opportunities in this growing sector.
Saki Takes 3D Inspection to the Next Level
Eddie Ichiyama, general manager of Saki Europe GmbH and Saki Prague, discusses Saki's new 3D AOI and X-ray inspection equipment, the global inspection marketplace, and the move to reduce or eliminate the human interface. He also talked about their R&D center in the Czech Republic and its activities in the region.
Saki America Wants to Dominate the Inspection Marketplace
At SMTAI, I-Connect007's Andy Shaughnessy spoke with Quintin Armstrong, general manager for North American sales and service with Saki America. Quintin discussed Saki’s 3D and X-ray inspection equipment and the company’s expansion around the globe, as well as the inspection challenges his customers face every day.
Managing Big Data from an Analog World
In the age of big data, hardware is evidently no longer the limiting factor in acquisition applications. How do we store and make sense of data? How do we keep them secured? How do we future proof them? These questions become compounded when systems evolve to become more complex, and the amount of data required to describe those systems grow beyond comprehension. More advanced tools will be essential to managing this explosion of data and help engineers make informed decisions faster.
The New Industrial Era
Key transformative technologies such as big data, analytics, and IoT are ushering in a new industrial era, where new technology forces and innovations are changing the dynamics, risks, and success factors for global manufacturing companies. To be successful in this environment, a mindset shift is required when it comes to deciding what to do and how to take your manufacturing operations to the next level.
Inspection Innovations to Reduce Cycle Time
Viscom's Guido Bornemann discusses with I-Connect007's Stephen Las Marias the impact of AOI on cycle time, as well as the latest technologies in AOI—such as combining different types of inspection, as well as having integrated communications between different inspection points in a line—that can help customers reduce their inspection time.
Cycle Time Reduction in the Eye of AOI
In our survey for this month’s topic for SMT Magazine—cycle time reduction—inspection was identified as one of the key issues highlighted by respondents as a bottleneck in their manufacturing process when it comes to cycle times. I spoke with Norihiko Koike, COO of Saki Co. Ltd, to get his insights on this, and how his company is helping their customers address the issue. He also talked about the future technology developments that we can expect in the AOI industry.
Surface Mount Technology Association—a New Milestone
With a grand mission, SMTA is an international network of professionals who build skills, share practical experience and develop solutions in electronic assembly technologies, including microsystems, emerging technologies, and related business operations. The organization delivers the right information at the right time to empower the workforce, who collectively advances technology, innovates new products, and serves the global industry.
The Need for Speed
I was recently invited to judge the editor’s choice award at National Instrument’s 2015 NI Engineering Impact Awards—ASEAN Regional Contest, and there was one project that I found relevant to our topic for this month’s issue of SMT Magazine. Developed by Gatepacific Circuits Inc., the project improved the process of dispensing paste compared to the manual process done by human operators, and increased the throughput from 500 units to more than 1,000 units.
Automotive Electronics Driving Innovations in Test
Boon Khim Tan, general manager of the Measurement Systems Division at Keysight Technologies, discusses with I-Connect007’s Stephen Las Marias the increasingly challenging test requirements in the automotive electronics space and the latest trends driving innovation in the sector.
Addressing the Need for Reliable, Accurate Inspection Results
Nori Koike of Saki Corp. discusses with I-Connect007’s Stephen Las Marias how the latest trends in the automotive electronics space is driving the developments in AOI technology, and the biggest challenges when it comes to providing solutions targeted at the automotive electronics industry.
Technica’s Annual Tech Forum a Success
Co-sponsored by ASM Assembly Systems, with active participation from Koh Young Technology and Rehm Thermal Systems, Technica USA's Annual Technology Forum Event held last July 22–23 in San Jose, California, was again a success. The event featured technical presentations and demonstrations on stencil printing, SPI, SMT placement defects, as well as the challenge in complex boards with 03015 parts up to large components.
How Automotive Electronics are Driving AOI Developments
Jens Kokott, head of AOI systems at GOEPEL Electronic, discussed with I-Connect007's Stephen Las Marias the increasing need for continuous development of testing technologies to cater to the innovations happening at breakneck speed in the automotive electronics industry.
A Case Study on Evaluating Manual and Automated Heat Sink Assembly using FEA and Testing
Proper assembly of components is critical in the manufacturing industry as it affects functionality and reliability. In a heat sink assembly, a detailed manual process is often utilized. This article will illustrate the use of strain gauge testing and finite element analysis (FEA) as a simulation tool to evaluate and optimize the heat sink assembly process by manual and automated methods.
Material Considerations for Advanced Driver Assistance Systems Assembly
Added complexity in material selection comes from the ever-increasing array of applications in automotive electronics, and one of the newer applications is the deployment of an array of vision and detection systems for driver assistance, collectively known as advanced driver assistance systems (ADAS).
Saki Discusses AOI Innovations
Norihiko Koike, COO at Saki Co. Ltd, discussed with I-Connect007's Stephen Las Marias some of the latest 3D AOI technologies at the company, and how these are providing their customers easier programming and more reliable inspection.
What’s Driving Automotive Electronics?
Despite optimistic forecasts surrounding the automotive electronics industry, challenges remain, driven by the high level of complexity of devices and electronics being built into cars and the harsh operating conditions that these products are expected to operate in. Find out how equipment suppliers and automotive OEMs and EMS providers are addressing these issues in the September 2015 issue of SMT Magazine.
Acceptance Testing Of Low-Ag Reflow Solder Alloys (Part 2)
In Part 2 of this two-part article series, the authors discussed the test results for low-silver alloys using these solder paste alloy assessment protocols for BGAs and leaded components, and the impact of the alloys on printed circuit assembly process windows.
NEPCON Shenzhen 2015 Puts Spotlight on China's EMS Industry
From ODM and OEM to EMS, the Chinese electronics manufacturing industry is transforming from single, passive processing to active, intelligent manufacturing—in line with the "Made in China 2025" plan, as well as the latest trends happening in the electronics industry.
ROSE – What Does the Data Mean and When Is It Useful?
Profound changes in the processes and materials used in the electronic assembly industry have a significant impact on the usefulness of ROSE testing. This article will discuss what ROSE test results really mean and when they are—and more importantly, are not—useful.
Pad Cratering Susceptibility Testing with Acoustic Emission
Pad cratering is difficult to detect by monitoring electric resistance since it initiates before an electrical failure occurs. This article presents the results of pad cratering susceptibility of laminates using the acoustic emission method under four-point bend and compares the AE results to the pad-solder level testing results.
Color Logical Analysis Approach for LED Testing in Manufacturing
The complexity of test development for LED test and long LED test execution times in production are big challenges faced by the PCB manufacturing industry. This paper introduces a color logical analysis methodology to achieve zero additional test development and no extra test execution time.
EIPC Summer Conference, Berlin: Day 1
Berlin, capital of Germany and a world city of culture, politics, media and science, was the venue for the 2015 EIPC Summer Conference, which attracted delegates from sixteen countries, including Russia, Hong Kong, Japan, Israel, USA and Canada, as well as the European Union, to experience a programme of 21 technical presentations over two days. Also included was a visit to the Berlin laboratories of Fraunhofer Institute, Europe’s largest application-oriented research organisation.
Characterization of Solder Defects in Package-on-Package with AXI Systems for Inspection Quality Improvement (Part 2)
In Part 2 of this two-part article series, the authors discuss the highlights of AXI with planar computer tomography (pCT), as well as present the results of their experiments on AXI 5.
Characterization of Solder Defects in Package-on-Package with AXI Systems for Inspection Quality Improvement (Part 1)
As solder joints in a PoP device cannot be inspected by optical means, X-ray inspection mostly is the only way to assure their quality nondestructively. The first installation of this two-part article series describes a series of studies on automated X-ray inspection (AXI) technology to quantify solder defects in a three-level Package-on-Package (PoP) device.
Inspection: The Last Line of Defense
Traditionally a non-value-added step, inspection is still the best, last line of defense against defects and a bad reputation. In this interview by I-Connect007 Publisher Barry Matties, Viscom’s Guido Bornemann discusses the true value of inspection and how to best use the tools to prevent defects, including head-in-pillow, from being shipped to customers.
In-Circuit Pin Testing: An Excellent Potential Source of Value Creation
In-circuit pin testing (ICT) is a common method of inspecting electronic assemblies to measure the effectiveness of the assembly process and to predict electrical functionality. In this article, Mitch Holtzer talks about ICT and how its accuracy can bring significant competitive advantage to assemblers. He also provides an example of doing ICT in an assembly.
Acoustic Surface Flatness of Components and Boards
Plastic packaged ICs, including BGAs, may experience warping as a result of processing. This article talks about using acoustic micro-imaging tools to measure and map the flatness of the top surface of a BGA package where warping may occur.
In-line Solder Penetration Testing with 3D X-ray Inspection
Although through-hole technology can be considered the oldest assembly technology in the field of PCB manufacturing, it still has its place even in this modern age of surface-mounted technology. To this end, through-hole components were devised for automatic assembly and for high thermal loads in the furnace, which led to the birth of through-hole reflow.
Test Match: Partnering Specialist Boundary-Scan with ICT
Devices like BGAs with inaccessible pins restrict the coverage possible using ordinary flying probe testing. Augmenting flying probe with boundary-scan can help overcome this problem, as well as deliver additional valuable benefits.
In 3D Inspection, Can 'Length = Height' Mean No Escapes?
During the recent NEPCON China show in Shanghai, I interviewed Kobi Ventura of ALeader Europe, an Israeli-Chinese joint venture with ALeader Vision Technology Ltd., which focuses on SPI and AOI inspection equipment. All of the machines are built in a state-of-the-art factory in Guangdong, China. Utilizing a unique length-equals-height modeling approach to inspection, Kobi states that they offer 100% escape-free technology, and it comes with a guarantee.
High-Density Interconnect and Embedded Board Test
Consumers’ insatiable demand for feature-packed, thin, lightweight, and energy-efficient devices is spurring the need for HDI technology. With new electronic functions constantly being integrated into a SoC encapsulated in a less than 0.5 mm pitch array package, the future looks bright for embedded board test (EBT).
Final Test Solution of WLCSP Devices
The common back-end process flow for mobile WLCSP devices is a single- or dual-insertion test at wafer probe. Since there is no final test prior to tape and reel, this equipment typically needs to provide a 5-side device inspection to identify potential device damage from sawing. The inspection efforts are quite demanding, with defect recognition requirements in the range of only 10 to only 20 microns, resulting in frequent time and cost intense human interaction and support requirements.
A Look at Saki’s Approach to 2D, 3D and X-ray Technology
At NEPCON 2015, I-Connect007 Publisher Barry Matties sat down with Nori Koike, COO of Saki Japan, to discuss the latest demands for 3D and their approach to inspection. With more than 20 years of experience, they have built a line-up of tools that covers the inspection spectrum. Koike also stresses the importance of using inspection data as a tool to improve and automate the process.
A Look at the Latest Demands for Flying Probe Testing
Publisher Barry Matties sat down with Seica GM Barbara Duval at the recent NEPCON China show to discuss Seica’s approach to the flying probe markets. Duval also shared some of the latest customer demands on test companies and the test market outlook in Europe and North America, in addition to China, which looks like it will see growth in 2016.
CyberOptics: Honing in on the High-Reliability Market with 3D AOI and SPI Platforms
I-Connect007 Publisher Barry Matties and CyberOptics’ Sean Langbridge spent time together in China recently, where they discussed, among other things, the company’s newest product launch, a 3D AOI and SPI platform. Langbridge also discusses the latest requirements for inspection.
Solving Inspection Problems with True 3D in AOI, AXI and SPI Systems
SAKI America's family of true-3D inspection systems cover the whole spectrum of SPI, AOI and AXI tasks. Quintin Armstrong explains how the unique resolution capability of their AXI achieves 100% detection of head-in-pillow defects.
SJIT, Solder Joint Integrity Test, To Find Latent Defects in Printed Wiring Board Assembly
Capacitance method and IEEE 1149.1 or boundary scan method are often used to find opens between component leads and pads on a printed wiring board. These methods, however, can find complete opens or complete shorts only; and latent defects that can be complete defect after several years have not been found by the conversational method. This article talks about a method to find such latent defects by using 4-wire small resistance measurement technique.
JOT Automates Final Testing of Smart Wearables
JOT Automation automates the final testing of smart wearables for an enriched end-user experience and shortens the time-to-market in the highly competitive market. JOT G3, known as an all-in-one final tester for smartphones, also enables fully automatic tests on wearables like smartwatches in a repeatable and reliable environment.
Rework Challenges for Smartphones and Tablets
The implementation of surface-mount devices is crucial for smartphone manufacturers, offering increased component density and improved performance. Mobile products generally use an epoxy underfill to adhere components to the PCB to meet the mechanical strength requirements of a drop test. Reworking glued components is the most difficult application in the electronics industry, and must be addressed as a process.
Forensics Uncovers Elusive Defects & Saves PCB Designs
Products and their supporting PCBs and packages have shrunk so much that it is considerably challenging to detect extremely small problems. But a forensic approach can help you uncover defects that traditional methods may miss says NexLogic's Zulki Khan.
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