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December 31, 1969 |Estimated reading time: 5 minutes
EMI Shielding Gaskets
GORE-SHIELD GS8000 EMI gaskets reportedly are targeted for use in applications requiring conformability, inter-cavity EMI shielding and conductivity at low compressive forces. The gaskets' low closure force targets them for flexible housing materials and also allows for reduction of screw locations. Less than 3.4 N/cm of pressure (for a 1 mm trace) is said to be required to compress the gaskets from a nominal starting thickness of 1 mm to a compressed thickness of 0.4 mm. W.L. Gore & Associates Inc., Elkton, Md.
Rework System
Flo-Master II SMD-5002 rework system features integrated features necessary for handling and computer profiling PCBs with dimensions greater than 12 x 14", targeting it for use by manufacturers of telecom PCBs and similar products whose demands have exceeded the capabilities of older systems. The system is said to offer focused on area-source controlled bottomside heating and multiple rework profile storage. The system also reportedly gives the user the flexibility to develop, store and recall the complex types of thermal profiles required by larger boards. A.P.E., Key Largo, Fla.
Mechanical Dispensing Technology
I&J123-S and I&J123-D series are said to provide a high-tech dispensing solution from contemporary material packaging. Using a flexible Hydro-Link, the Micro-Step motor of 16:1 (2,000 steps to 1/16") is said to connect to a precision piston RAM assembly. The system reportedly accommodates syringes of 3, 5, 10, 30 and 55 cc, together with meter, mix and dispense twin-packaged cartridges of 50, 200, 400 and 600 ml. The volumetric mechanical dispensing technology also is able to dispense from 0.0004 cc with programmable pull back to prevent oozing. I&J Fisnar Inc., Fair Lawn, N.J.
Support and Metrology Services
Process Support and Metrology Services package is said to offer expert assistance to emerging and established photonics and high-frequency wireless manufacturers for process development, prototyping and pilot production. The company's well-equipped optoelectronic component assembly facilities serve companies that need assistance with assembly process development and precision metrology. Skilled applications engineers using advanced automatic assembly equipment reportedly prototype new designs and perform precision measurements on photonic and high-frequency wireless devices. Palomar Technologies, Vista, Calif.
Pre-biased Transistors
Single and dual pre-biased NPN and PNP small-signal bipolar transistors reportedly feature the resistor bias circuitry integrated into the transistor chip. Applications include cellular phones, laptop computers, digital cameras, pagers and PDAs, where space is at a premium. They also are used extensively in applications such as TFT displays, camcorders, video game consoles and set top boxes. Diodes Inc., Westlake Village, Calif.
Flange Stacking Interconnects
Flange Stacking Interconnects (FSI) are said to offer manufacturers a highly adaptable machine-insertable solution for creating various stacked PCB assemblies, as well as incorporate a specially designed flange that ..ensures a consistent physical standoff distance and promotes formation of uniformly robust annular-ring solder joints to deliver optimal strength for the higher retention forces needed in many stacked PCB designs. The interconnects also can be auto-inserted into the first PCB or daughter board assembly, reportedly providing a consistent and reliable interface using the company's proven interference fit technologies. Autosplice Inc., San Diego, Calif.
Test Tools Selection Guide
Meterman Selection Guide is prepared for electrical, electronics, industrial, automotive and home improvement users. The full-color guide is said to help readers choose the right meter for specific applications.
The literature reportedly includes seven different product families and more than 30 meters and clamps. Wavetek Meterman Test Tools, Everett, Wash.
Design Guide
MOSFET BGA Design Guide is said to provide detailed information on the physical ..characteristics, performance advantages and qualification data for the company's complete line of PowerTrench MOSFET BGAs. The fully illustrated, four-color, 36-page guide also is said to offer circuit board design and layout recommendations, mechanical specifications, and guidelines for mounting BGA power packages. Fairchild Semiconductor International, San Jose, Calif.
Feeder System
CLM980 feeder system is said to hold pieces of tape flat and guarantee the precise pickup of the components, even if they are small. Many tape strips can be mounted side-by-side, and the width is adjustable according ..to the tape. Tape length and pocket height are said to be unlimited. The distances between the pockets reportedly are programmable, which is said to make the feeder system a universal tool for all types of tapes. ESSEMTEC AG, Aesch, Switzerland.
Component Placer
Advanced Component Mounter (ACM) SemiconD-9 reportedly is based on state-of-the-art linear motor technology, touch screen display and modular design. The placer reportedly provides verified placement throughput of 2,700 flip chips per hour with 9 µm accuracy at 3 sigma. Applications include stacked die, multichip modules, multichip packages, flip-chip-in-package, flip-chip-on-foil, flip-chip-on-board and high-accuracy optical component placement. Assembléon, Eindhoven, The Netherlands.
Ferrite Material
Ferrite-Therm F96 flexible ferrite material reportedly is for use in EMI shielding and suppression applications. The material can be modified or layered to user specifications, or wrapped or applied flat, and is said to feature high permeability while being thermally conductive and electrically isolating. Custom-cut lengths, shapes and sheet sizes also are said to be available. MH&W International Corp., Mahwah, N.J.
Polyimide Films
Designed for use in printing solderable silver circuitry, Modflex polyimide films are said to work in conjunction with Parmod VLT to create a fully additive process for screen printing circuits and reflow soldering components. The combined solution of Modflex with Parmod ..VLT inks is targeted for use by membrane switch manufacturers who produce touch switch technology for use in medical instrumentation, process control devices and other electronics instruments. Parelec Inc., Rocky Hill, N.J.
Reflow System
VIP70A reflow system is said to be designed to meet the demands of through-hole reflow, and is said to offer low cost of ownership features via flux management and closed-loop convection systems. Features are said to include patented forced impingement convection technology and Wincon process software. The amount of solder flux deposited in the oven reportedly is minimized by the flux management system and emitted into the atmosphere. The system extracts flux-laden gas from the process chamber, traps the flux by condensation and filtration, and recirculates the clean gas back into the oven cooling section. BTU Europe Ltd., Hampshire, U.K.
Hot Plate/Convection Oven
Offering a unique dual function, Model GF-C2 conduction/convection oven can be used as a hot plate or as a forced air conduction/convection oven, targeting it for use in preheating, curing, reflowing, ..rework or thermal cycling. The system also is said to use a high-mass conductive hot plate, as well as forced-air convection heat for precise, even heating, and a large viewing window, allowing the operator to view the product and process. Automated Production Systems Inc., Huntingdon Valley, Pa.