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Rising Stars at Rising Stars
04/25/2019 | Nolan Johnson, I-Connect007
Impact of Stencil Foil Type on Solder Paste Transfer Efficiency for Laser-cut SMT Stencils (Part 1)
04/24/2019 | Greg Smith, BlueRing Stencils
Lionrock Delivers Bendable, Industrial-grade Battery Tech
04/24/2019 | Nolan Johnson, I-Connect007
From Participant to Volunteer to Leader: Matt Smith on the IEEE Rising Stars Conference
04/23/2019 | Nolan Johnson, I-Connect007
Eileen Hibbler and Jason Emes on Improving the West Penn SMTA Chapter
04/22/2019 | Patty Goldman, I-Connect007
SMT :: Cleaning
Which IPC-A-610 Class is Best for Your PCBA?
For many EMS providers, IPC-A-610 is the agreed standard to define what's acceptable and what's not in the world of PCBA production. As an OEM, it's important that you're clear on the basic principles that separate those classes so that you have a clear and realistic expectation of what the results are going to be.
Bill Cardoso Discusses Creative Electron’s Inspection Strategy
At PCB West in Santa Clara, California, Dr. Bill Cardoso of Creative Electron held a class on advanced packaging and X-ray inspection strategy. Guest Editor Tim Haag and Publisher Barry Matties met with Bill to further discuss his class and the importance of turning inspection data into information.
Jennie Hwang: Get Ready for Disruptive Technologies
At IPC APEX EXPO 2019, Dr. Jennie S. Hwang, a columnist, author, and all-around an expert in PCB assembly, discusses some of the changes she has seen since joining the industry, and disruptive technologies that technologists we are going to have to face in the near future. Are you ready for the future?
SMTA Europe Electronics in Harsh Environments Conference 2019: A Preview
As a prelude to this year's Electronics in Harsh Environments conference, which will be held on April 2–4, 2019 in Amsterdam, Netherlands, SMTA Europe chairman Keith Bryant, supported by technical specialist Bob Willis, showcased the challenges and key issues faced by design and process engineers worldwide, in a webinar entitled "Harsh Environment Failures—Causes & Cures."
Electrolube Overcomes Secondary Cure Issues with New UV-cured Conformal Coatings
Electrolube Managing Director Ron Jakeman and Marketing Manager Julia Vorley speak with I-Connect007 Technical Editor Pete Starkey about the successful outcome of the international collaboration between the company's R&D teams in the UK and China, which resulted in a brand-new range of solvent-free UV-cured conformal coatings about to be launched at the upcoming IPC APEX EXPO 2019.
Top 10 Most-Read SMT Interviews of 2018
We continue our top 10 lists, this time with the most-read SMT interviews in 2018. Topping the list is an interview with Joe O’Neil and Matthew Becker of Power Design Services (PDS), along with Ted Park of Green Circuits, who announced their merger last year.
Dock Brown on Succeeding at Failure Analysis
Dock Brown of DfR Solutions gave a keynote speech at SMTAI, “Requirements for Both Cleaning and Coating to Building Medical Hardware.” Barry Matties and Happy Holden sat down with Dock to discuss the current trends he sees in failure analysis, the concept of “rules versus tools,” and how predictive engineering software used early in the design cycle can help predict failures in components and microvias and drive cost down.
RTW SMTAI: Inventec Discusses the 'Green Way'
At SMTA International 2018, Dan Walker, North American sales manager at Inventec Performance Chemicals USA, provides Editor Nolan Johnson an overview and update on Inventec’s environment-friendly cleaning, soldering and coatings products. He also discusses how they are addressing the latest manufacturing issues, including solder voiding.
RTW SMTAI: KYZEN's Forsythe Discusses Gap in Cleaning Knowledge
Tom Forsythe, executive vice president of KYZEN Corp., busts myths around "how-clean-is-clean." He discusses the increasing cleaning challenges as devices get more dense and form factors become even smaller, and how these trends are driving the need for cleaning and causing a gap in cleaning knowledge. He also speaks about their new products in data collection and monitoring software for cleaning equipment.
Real Time with...SMTAI 2018 Coverage Now Available
The I-Connect007 team traveled to Rosemont, Illinois this week to cover the SMTA International 2018 conference and exhibition. Video interviews of key executives and leaders of our industry are now available for viewing. Also check out the photo gallery for snapshots of the exhibition floor and the conference as well as the after-hours festivities.
Tips to Improve Soldering Tip Life and Reduce Cost
Whether in production, or repair and rework, the cost of soldering iron tips can be easily overlooked, but with today’s requirement for higher temperatures in lead-free solder applications, the consumption of tips has dramatically increased. This fact, combined with changes in tip design to meet the higher thermal load requirements, has also resulted in escalating tip costs, making tip care a high priority.
Towards a Data-Driven Cleaning Environment
Tom Forsythe, executive vice president at KYZEN, discusses the most critical challenges of the cleaning process, a new approach to testing the cleanliness of PCB assemblies, and how KYZEN is helping customers develop a more data-driven approach to cleaning.
In our conversations, many assemblers said that cleaning is not a value add, that their customers are getting nothing out of it. It also means an added process, and as such, an additional production cost. On top of that, no-clean fluxes have been in the industry for over 20 years now. But still, why clean?
Getting More with Cleaning
The continuing growth of the electronics industry, driven by the rapid expansion of electronics into areas such as automotive and medical, is creating a new mindset with regard to cleaning, mainly due to quality and reliability issues. Read more to find out what our experts have to say when it comes to cleaning challenges in PCBAs and possible solutions.
Practicing Best Practices
Recently, we looked into electronics assembly best practices that help optimize your manufacturing processes. To provide you more insights on this, here's an interview with two assembly experts: Jason Keeping of EMS firm Celestica, and Bob Willis, a renowned EMS consultant and trainer.
KYZEN: Cleaning with Data
With the ability to monitor the temperature and concentration of the bath, and automatically adjust either if needed, the KYZEN Analyst system has caught the attention of the electronics assembly industry. In this interview with I-Connect007, Tom Forsythe, executive vice president for KYZEN, provides an update on KYZEN Analyst and describes how it has evolved into an Internet 4.0 solution with the ability to increase performance and life of the chemistry.
Factronix on Cleaning, the Market and More
Stefan Theil, product manager at Factronix, discusses the growing need for cleaning in European electronics manufacturing and the demands he's facing from customers when it comes to finer pitches, automation, and environmental concerns.
Plasmatreat on Atmospheric Pressure Plasma
At the recent SMT Hybrid Packaging 2018 event held in Nuremberg, Germany, I-Connect007's Barry Matties sat down with Nico Coenen, global business development manager of Plasmatreat, for a discussion on Plasmatreat's atmospheric pressure plasma (AP plasma) treatment process and its various applications in the electronics industry.
Conversation with Miraco… Strategies for Successful Flex Circuit Assembly
Jason Michaud, a 19-year veteran at Miraco Inc., is the company’s new vice president of sales. In an interview with SMT007 Magazine, Jason speaks about the factors driving the increasing utilization of flexible printed circuits, the challenges in flex circuit assembly, and the best practices to address those issues.
High School Team's Robotics Entry on Spotlight at Wisconsin Expo & Tech Forum
In May, I took the opportunity to drive around Lake Michigan and visit the SMTA Milwaukee Chapter’s Wisconsin Expo & Tech Forum. Held at the Crowne Plaza Milwaukee Airport Hotel, this was a well-organized and attended table-top expo and technical forum, with over 60 exhibitors, and a high school team with their FIRST Robotics entry.
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.
Jigar Patel on ZESTRON’s Reliability Solutions for Class 3 Assemblies
At the SMTA West Penn Expo, I had a chance to discuss a paper presented by Jigar Patel, senior application engineer at ZESTRON. Jigar explained some of the cleaning challenges with newer components and how ZESTRON helps optimize cleaning processes for their customers.
Why Cleaning Still Matters
Paco Solis, lead investigator at Foresite Inc., speaks with I-Connect007 about why cleaning is more important now, the common pitfalls and misconceptions in cleaning, and strategies to consider to ensure reliable PCB assemblies.
Zestron Opens Technical Center in Taiwan
Zestron on Wednesday, May 16, launched a new technical center in Hsinchu, Taiwan. With the opening of this new technical center, the company now owns a total of eight globally linked technical support facilities throughout the world.
Investigating Analytical Tools for Testing Cleanliness with Foresite's Eric Camden
At the recent West Penn SMTA Expo, Eric Camden, lead investigator at Foresite Inc., speaks with I-Connect007's Patty Goldman about fluxes and analytical tools for testing cleanliness, and how these impact the reliability of the assembled boards.
Conversations on the Floor: IPC APEX EXPO 2018
This year’s show was one of the best in recent history, both in attendance and enthusiasm. The exhibit floor was sold out, and every single person I talked to was extremely optimistic about business in 2018. What follows are a series of observations and excerpts from conversations I had with some of the most interesting people I met.
Interview with Linda Woody: Dieter Bergman IPC Fellowship Award Recipient
The Dieter Bergman IPC Fellowship Award is given to individuals who have fostered a collaborative spirit, made significant contributions to standards development, and have consistently demonstrated a commitment to global standardization efforts and the electronics industry. This year, Linda Woody is one of the two recipients of the award. Here's what she has to say.
RTW IPC APEX EXPO: Kyzen’s Tom Forsythe Talks Tips for Better Cleaning
Tom Forsythe, executive VP of KYZEN, offers his advice on designing for better cleaning. Forsythe also discusses customers' continuing demand for data and KYZEN's data management efforts.
Cleaning with Data
Tom Forsythe, vice president of KYZEN, spoke to Barry Matties about KYZEN’s new process control monitoring and data service. They discussed the drivers behind these developments, the company's focus on managing data, and how KYZEN plans to support an industry embracing more cleaning and Industry 4.0.
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.
PCB Pad Repair Techniques
There are a variety of reasons behind pads getting "lifted" completely or partially from the laminate of a PCB. Per the just revised IPC-A-610 Revision G, a defect for all three classes occurs when the land is lifted up one or more pad thicknesses. Lifted pads can occur when a device has been improperly removed or there is a manufacturing defect in the board construction. In any case, as with any repair, the ultimate decision on the ability to repair the pad lies with the customer.
Cleaning Trends: The Challenges of Miniaturization and Proximity
At the recent SMTA International conference, I-Connect007 Managing Editor Patty Goldman caught up with Ram Wissel, VP of Global Technology at KYZEN, to talk about the latest cleaning challenges, and bringing Industry 4.0 into the world of cleaning in PCB assembly.
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.
Institute of Circuit Technology Hayling Island Seminar 2017
This year’s event had a well-chosen and varied programme featuring presentations on process chemistry and R&D consortia, a discussion of controversial standards proposals and a review of the experiences of commissioning new technology in a start-up factory.
Drying Boards after Rework Cleaning—To Do or Not to Do?
In cases where water soluble fluxes are being used in the rework process, in cases where the components need to have flux residues washed off, or in cases where the board needs to be cleaned with water for subsequent conformal coating touchup, proper drying and perhaps even bake out procedures need to be performed.
RTW NEPCON South China: KYZEN on Optimizing the Cleaning Process
At the NEPCON South China event happening this week in Shenzhen, China, Thomas Forsythe, executive vice president at KYZEN Corp., discusses the current cleaning challenges in the PCB assembly industry, and how manufacturers can optimize their cleaning process.
NEPCON South China 2017 Opens Today
NEPCON South China 2017, being held in conjunction with the Shenzhen Circuit Sourcing 2017 and Automotive World China, opens its doors today at the Shenzhen Convention and Exhibition Center to showcase nearly 600 companies catering to the electronics manufacturing industry. This year’s event, the largest ever in the show's 30-year history, features 45,000 square meters of exhibition space.
Cleaning that Matters
James Yeoh, executive director of Zestron Precision Cleaning Sdn Bhd, discusses the challenges in the cleaning industry, and strategies that can help manufacturers address those issues. He also covers the need for continuous education when it comes to cleaning, and how automation can ensure the stability of cleaning systems.
Using Paste Flux for Rework
When using a hot air or IR rework system where the reflow cycle is mimicking the original SMT reflow profile, and when using flux for re-attachment, paste flux otherwise known as gel or tacky flux is the correct type of flux to use. Due to its high viscosity and tack properties, paste flux prevents components from being moved during hot-air reflow while being able to remain active for the complete time-temperature period.
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.
RTW NEPCON CHINA: Teknek Discusses Contact Cleaning Technology Trends
Stephen Mitchell, managing director of Teknek, a contact cleaning solutions provider, discusses the latest trends in contact cleaning technology. He provides his outlook on China’s electronics manufacturing industry and intelligent manufacturing, and talks about how Teknek's contact cleaning systems are helping customers address their defects and productivity issues.
Vapor Degreasing Chemistries to Remove Difficult Lead-Free and No-Clean Fluxes from PCBs
In line with increasing regulations on electronics manufacturing, many changes have been made to the electronics world, and thus the circuit board manufacturing process. Lead-free, no-clean and halide-free flux formulations have introduced new cleaning obstacles, especially on ever-shrinking component sizes. To maintain high cleanliness standards for modern circuitry, new sophisticated cleaning chemistries are required.
Zestron Technical Workshop Tackles Next Generation of Cleaning
Zestron recently held a technical workshop in Alabang, Muntinlupa City in the Philippines to help users address their cleaning challenges amid advancements in semiconductor device packaging.
What a Tangled (Soldering) Web We Weave!
Soldering remains one of the most critical processes in the PCB assembly industry. Which is why it is of the utmost importance that the soldering process should be perfect. But soldering is just too complex a process, and further complicating the situation, the requirements and technologies vary between our industry’s market segments. There are just a lot of factors to consider before you put your boards into the reflow and let them run.
Miniature Components on PCBs Requires Flexible Cleaning Methods
Smaller, more densely populated circuit boards make the issue of managing faults, quality and product longevity highly challenging. This is why so many companies consider their PCB cleaning as a mission-critical process. If the cleaning is not effective the device simply will not function reliably for the required life of the product.
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.
Evaluating a PCB Assembler
When it comes to technology and quality, an SMT assembler's capabilities will be reflected when you go through the key elements in the SMT process. This article provides key points to consider in evaluating a PCB assembler, which allows you to test whether your circuit boards assembled in that factory conform to your required standard.
Electrolube Talks Technologies Targeted at Automotive and LED Applications
Electrolube's Phil Kinner, global head for the conformal coatings business, talks about the trends shaping the company’s product innovation strategies, and their latest solutions and technologies to help address their customers’ greatest challenges.
RTW IPC APEX EXPO: Kyzen’s Thomas Forsythe Talks Latest Developments in Aqueous Cleaning
Thomas Forsythe, executive vice president of Kyzen Corp., talks about the advantages of real-time concentration monitoring, data management and access to data as aqueous cleaning moves towards Industry 4.0.
LA/Orange County SMTA Tech Expo a Success
On November 3, I had the pleasure of attending the LA/OC SMTA Tech Expo in Long Beach, California, and meet with chapter President Kathy Palumbo and Vice President Scott Penin, to learn more about this annual event and the chapter’s ongoing activities.
SMTA Tech Expo Panel Session: It Takes a Village to Discuss Proper Cleaning Solutions
An expert in cleaning processes, Barbara Kanegsberg is known as “The Cleaning Lady.” She moderated the technical session “Ask the Experts: Meeting the Challenges of Effective Cleaning, Defluxing in Southern California.” Here Barbara discusses the myriad of challenges regarding cleaning PCBs (particularly in heavily regulated California) and what transpired during the open forum technical session.
Institute of Circuit Technology Hayling Island Seminar 2016
In recent years, the Hayling Island Seminar has become established as the most popular date on the Institute of Circuit Technology calendar and, as expected, the 2016 event attracted a large gathering of industry professionals to the south coast of England to share knowledge and experience and to discuss current developments.
Real Time with… SMTAI: Metcal Updates Scavenging with the Scarab
Paul Wood, applications manager at Metcal, discusses with I-Connect007’s Andy Shaughnessy how their standalone, contactless Scarab site cleaning system is helping manufacturers optimize their pad cleaning process.
Real Time with... SMTAI: KYZEN Pushes Cleaning Data to the Cloud
At the recent SMTA International exhibition, Tom Forsythe, executive vice president of Kyzen, discusses with I-Connect007’s Andy Shaughnessy their latest system that helps customers have a better handle on their cleaning process.
Saline Lectronics Invests in the Millennial Generation
You're heard all the knocks against millennials: they're flaky job-hoppers and they're tough to motivate. But Saline Lectronics has a larger presence of these younger employees, and they find quite a few advantages to hiring staff who are far from retirement age. Saline's Jason Sciberra explains how he manages and motivates these young people.
Being More than a Manufacturer’s Rep
Matt Bonweg, process support specialist at manufacturers' rep firm Murray Percival Company, speaks with I-Connect007's Patty Goldman during the recent SMTA Ohio Expo about the company's history and philosophy, as well as their strategies for success in this industry.
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.
Divergence in Test Results Using IPC Standard SIR and Ionic Contamination Measurements
This study will compare the results from testing two solder pastes using the IPC-J-STD-004B IPC TM-650 220.127.116.11 surface insulation resistance test and IPC TM-650 2.3.25 in an attempt to investigate the correlation of ROSE methods as predictors of electronic assembly electrical reliability.
To Clean or No Clean?
The addition of a cleaning process to your manufacturing line will amount to an added 5–6 cents per board produced. Mike Konrad of Aqueous Technologies believes that is a small price to pay for the added value, testing, and reduced liability and insurance that a cleaning solution can provide; however, he admits cleaning isn’t for everyone.
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.
SMTA West Penn Chapter Plans Manufacturing Boot Camp in August
DRS Technologies' Bill Capen, who is also the president of the SMTA West Penn Chapter, talks with I-Connect007's Patty Goldman about their expanded Chapter Expo & Tech Forum, and their plans of doing a boot camp in August.
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: Foresite Discusses Cleaning Challenges
I-Connect007 guest editor Michael Konrad sits with Eric Camden, lead investigator with Foresite, to talk about cleaning and why it is now back in the spotlight in electronics assembly.
While the latest technology innovations bode well for the electronics industry, they also offer many challenges in terms of the way products are being manufactured. The latest issue of SMT Magazine features "what's new" in the electronics assembly industry, and discusses how they are addressing current manufacturing challenges.
While other electronic assembly processes measure performance in "more" – more feeders, more zones, more magnification, more capacity – cleaning equipment and chemicals measure progress in "less" – less water, less chemicals, less VOCs, less discharge, and less contamination. In this article, Aqueous Technologies' Mike Konrad writes why less is more in the cleaning world.
Rework Site Printing using Mini Stencils—Plastic Adhesive vs. Metal
Bob Wettermann of Best Inc. provides some details about a soon-to-be-published study that compares the older miniature metal stencil printing process to the more modern plastic film with adhesive approach, and quantifies the differences in performance for the first time.
Electrolube: We Like Problems!
I-Connect007 Technical Editor Pete Starkey toured Electrolube's UK headquarters in the historic Leicestershire town of Ashby-de-la-Zouch, where he learned more about the company's mission to exceed their customers' satisfaction and meet the highest possible levels of customer service.
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.
Doug Pauls Explains Ion Chromatography
Doug Pauls, principal materials and process engineer at Rockwell Collins and chair of the IPC Cleaning and Coating Committee, drew upon his 25 years' experience in the use of ion chromatography for electronics assembly improvement to discuss ROSE techniques, how ion chromatography can be used to determine electronic cleanliness, what specifications exist and how they were derived, and how ion chromatography can be used for process troubleshooting and optimization.
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.
Electrolube Discusses Conformal Coating Innovations
At productronica 2015, SMT007 editor, Stephen Las Marias, interviewed Phil Kinner, technical director of Electrolube's Coatings Division, about the latest conformal coating challenges being faced by their customers, and how they are addressing these issues. He also talked about the trends driving product innovation strategies at Electrolube, and some of the new solutions they are offering the market.
Printed Circuit Board Failures – Causes and Cures
PCBs can fail for a multitude of reasons. And the ability to detect and identify failures during assembly and final test is preferable to having to accept the consequences of field returns. This article details Bob Willis' recent webinar, which described failure mechanisms, demonstrated the use of standard test methods and tricks of the trade, and explained how to eliminate many of the common causes of PCB defects.
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.
Reducing Print Cycle Time
Of the several steps in the SMT process, an effective method of increasing throughput is to reduce the cycle time of the rate-controlling process step. This article will discuss two simple experiments that may lead to increased throughput and increased profitability.
Zestron Highlights Benefits of pH-neutral Cleaning Solutions
I-Connect007's Andy Shaughnessy talks with Zestron's Sal Sparacino, marketing and product manager, and Umut Tosun, application technology manager, about the benefits of the company's pH-neutral cleaning agents for defluxing applications, and their advantages over alkaline-based cleaning solutions.
Kyzen Discusses Cleaning On the Stencil Printer
Thomas Forsythe, executive vice president of Kyzen, talks with I-Connect007's Andy Shaughnessy about the latest trends happening at his company and their focus on green cleaning solutions. He also explained the technical paper they presented at the SMTAI 2015 conference, which tackles cleaning on the stencil printer.
Connector Cleanliness and Flux Entrapment
Plated through hole connectors can present special challenges when it comes to assembly cleanliness and reliability. Cleanliness of the raw part, processing parameters and chemistry selection can all negatively affect the reliability and robustness of the interconnect system. This article will discuss some common issues and how to resolve them.
Localized Contamination Can Cause Big Problems
In today's electronics manufacturing environment, assemblers continue to overlook areas of localized contamination that are capable of causing product failures. By neglecting to examine especially sensitive, critical, or tightly packed areas on an assembly, opportunities for electrochemical failures loom. This article talks about a case study involving a visible white residue and dendritic growth in a connector area, and the analysis done to determine its cause and implications.
Residues Can Cause Low Voltage Electronics to Ignite
This article dispels the myth that low-power devices such as remote controls have insufficient energy to be a source of ignition. It also discusses why leakage current, even in low voltage/low power applications, can be sufficient to eventually ignite proximate fuel and lead to sustained fire in PCBA surfaces.
Advances in Electronics Assembly Technology - SMART Group Seminar Preview
In a preview webinar to introduce the upcoming SMART Group seminar where the latest advances in assembly technology and reliability will be discussed by industry and subject experts, SMART Group Technical Committee members Charles Cawthorne from MBDA and Ian Fox from Controls and Data Services summarized the papers to be presented.
Solder Jet Printing: Is It the Right Time?
Publisher Barry Matties gets an update from Nico Coenen, sales director for Mycronic, on their solder jet printing system. Mycronic has been developing and pioneering this technology for 10 years and they believe now is the time for it to gain real traction. One thing is certain; solder jet printing certainly has advanced and could make a big difference in process and quality.
Reliability Assessment of No-clean and Water-soluble Solder Pastes, Part II
Twenty-five years ago, solder paste residues had to be cleaned after reflow due to their corrosive nature: two ways of cleaning were available, either with solvent or by using water, with or without detergent. Now, the assembly world is mainly no-clean: paste formulation is safer in terms of chemical reliability and process costs are reduced without cleaning.
Doing Business in India and China
Electrolube Managing Director Ron Jakeman spoke to I-Connect007 Publisher Barry Matties at CPCA 2015 in Shanghai. The company, more than 70 years old, has evolved over the decades, from producing contact lubricants, to manufacturing globally, with subsidiaries worldwide, including Beijing, China. In this interview, manufacturing, state of the global markets, and even Indian cuisine are discussed.
Product Line Philosophy: Start Small...End Big
Ralph Savage, CEO of EasyBraid, talks to Kelly Dack about his company started their business, as well as some of the activites and technologies they are doing now, such as desoldering, stencil cleaning and a soldering technology based on the Curie principle. He also discussed the company's strategy in bringing world-class technology into the United States.
Neutral Cleaning and Latest Developments in Closed-Loop Control
Cleaning processes that are pH-neutral have become a trend-setter in semiconductor and power-electronics applications, and concentration management is simplified by full closed-loop control. Harald Wack and Todd Scheerer explain the technical and environmental benefits.
Role of Plasma in Reliability of Conformal Coating
Besides its established applications in PCB fabrication, plasma is increasingly used in preparing assenblies for conformal coating, rendering surfaces hydrophilic and so promoting wettability and coating adhesion for increased reliability.
Cadence’s Brad Griffin Digs Deep Into DDR
During DesignCon 2015, our roving reporter, Kelly Dack, stopped by to visit with Brad Griffen in the Cadence booth. What follows is their very interesting conversation that revolves around the evolution of DDR.
ZESTRON's Umut Tosun to Present at IPC APEX
In his presentation, ZESTRON's Umut Tosun will review the performance of pH neutral cleaning agents as compared to alkaline cleaning agents and DI-water for cleaning No Clean, RMA and OA flux residues.
ZESTRON to Hold 5-part Cleaning Webinar Series
ZESTRON has announced the first installment in the 2015 5-Part Cleaning Webinar Series titled "Defluxing in a No-clean and OA world".
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