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Assembly Process Variables Voiding At A Thermal Interface

Featured Article

Effects of Assembly Process Variables On Voiding At A Thermal Interface

Universal Instruments Corporation

Muffadal Mukadam, Electronics Manufacturing Research and Services. Krishnaswami Srihari, Thomas J. Watson, State University of New York. Jeff Schake, DEK USA Inc. Peter Borgesen, Universal Instruments Corporation.

Too often, the effects of assembly process parameters are not sufficiently accounted for in the optimization of thermal interface performance. This becomes increasingly critical as demands on this performance continue to grow and alternative processes are developed. Notably, stencil printing is proving a competitive alternative to the traditional dispensing of thermal interface materials (TIMs), with potentially significant gains in units processed per hour (UPH) for some applications. The two techniques may, however, pose quite different challenges...


Featured Auction

Printed Circuit Board Equipment Exchange #5


Sale Type: Online Auction

Sale Open: 2 May 2007, 3:00 AM (EDT)

Sale Close: 3 May 2007, 8:00 PM (EDT)

Location of Assets: USA

view equipment | register


Bid on State-of-the-Art PCB Manufacturing Equipment

Assets for Sale:

Featuring Drilling & Routing, Lamination, Etching, Plating, Expore, Solder Mask, Final Test, plus SMT & Placement, Feeders, Reflow & Convection, Screen Printing and much more


Best Video Soldering Tips

Solder Tip #14. Lead-Free (SAC Alloy) QFP Multi Lead Soldering Technique


Bob Wettermann

BEST Instructors have put to video demonstrations of common hand soldering skills. These are not designed to be in place of live one on one training where repetitive skills and subsequent one on one feedback is given. Rather they are quick refreshers designed to be viewed if a specific skill has not been practiced in a while.

Watch Video


Pin Through Paste w/ No-Lead

Posted by Ed Faranda

Was wondering if anyone had any experience with Pin Though Paste with a no-lead process? I realize that some basic requirements will need to be met (i.e. Connector to with stand higher temperature, proper lead coating, ability to image, etc.)... »»

Help me to impress my boss

Posted by D�rty

I am a student trainee at a big Electronic Assembly Line Manufacturer. I am in the software department. Since jobs are rare I need to impress my boss by having a great idea (being fast and reliable isn't enough anymore)... »»

QFN Recognotion Problem

Posted by ICISMT

I am having trouble with the small 4 or 5mm QFN's. There is a small dot on the bottom corner of the component that the vision system is seeing as a lead. We are placing these with our Universal Advantis with a FJ09 head... »»

Visit the Forum...


Lead Free Hand Solder & Rework Skills

Seminar/Course | Precision PCB Services, Inc

Mon, April 16, 2007 | Lead Free Hands-On Soldering & Rework, Oroville, CA, USA

This Hands On course explains the differences between lead free and tin-lead solder. Students will be taught to assemble a lead free kit board and then remove the components using a variety of removal techniques... »»

Engineering Documentation Control - Product Configuration Management

Seminar/Course | EC3 Corp

Wed, April 11, 2007 | Hyatt Regency, Atlanta, GA, USA

The seminar follows a product (electronic ignition, front-end loader) through the CM processes. Several exercises are included in order to encourage participation. Emphasis on subjects you choose... »»

International Conference on Soldering and Reliability

Conference, Seminar/Course | SMTA

Tue, April 17, 2007 | Park Plaza Hotel, Toronto, Canada

This event will include one day of workshops (Apr. 17) followed by a two-day technical conference and tabletop exhibition. SMTA will also hold their SMT Processes Certification on Apr. 17-19th... »»

Visit the Event Calendar...

Career Center


Staff Reliability Engineer

KN Research

Austin, TX, USA

Seeking an experienced Engineer with strong skills in hands-on product failure analysis, field failure and internal failure data collection and analysis...»»

SMT Manufacturing Engineer

ACR Electronics, Inc

Fort Lauderdale, FL, USA

Bachelor's degree in a technical field, Mechanical, Manufacturing or Industrial Engineering. Familiar with robotics and their operation is desired...»»

Academic expert / writer

Academic Experts L.L.C.

Las Vegas, NV, USA

Looking for experienced, deadline-oriented and highly responsible freelance writers who can write researches and theses on a variety of subjects...»»


Process Engineering Technician

Desired Field: Maintenance, Production

Richmond, IN, USA

14 years experience in the electronics manufacturing industry. Knowledgeable in set up, operation and maintenance of SMT machinery...»»

SMT Engineer

Desired Field: Production, Quality Control

Gurgaon, Haryana, India

5 years of high volume manufacturing experience in creating and improving manufacturing processes. Proven track record of getting things done...»»

SMT Engineer

Desired Field: Engineering, Production

Mentor, OH, USA

6 years of experience in electronics. I know how to program, operate, maintain, setup SMT machines. I also know how to operate AOI equipment...»»

Visit Career Center...

SMTnet Express
April 05, 2007

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