Electronics Manufacturing Technical Articles

Electronics Manufacturing Technical Articles

Papers and articles related to SMT, PCB & EMS industry.


  • Europlacer SMT Pick & Place Machines
  • Precision, fluid dispensing systems for low volume, high mix, R&D, and high volume 24x7 production
607 SMT / PCB Technical Articles

BGA Thermal Shock Testing

Feb 01, 2007 | Roy Johnson Senior Staff Engineer AG Communication Systems.

The purpose of the testing was to compare the resistance and check for open circuit conditions of reworked BGA test samples made with and without StencilQuik™ after 500 thermal shock cycles. StencilQuick™ is a product of Best Inc. In this series of tests, the resistance of daisy chain resistance patterns running between the BGA and test board after exposure to thermal shock was measured....

Publisher: Business Electronics Soldering Technologies (BEST) Inc.

Business Electronics Soldering Technologies (BEST) Inc.

BEST offers professional rework, repair and prototype builds of PCBs. Our experienced instructors teach professional soldering classes as we are an IPC certified training center.

Rolling Meadows, Illinois, United States

Repair/Rework, Soldering, Service Provider, Training / Education

StencilQuick™ Lead-Free Solder Paste Rework Study

Jan 31, 2007 | Ray Cirimele, BEST Inc

The goal of this project is to evaluate the reliability of lead-free BGA solder joints with a variety of different pad sizes using several different BGA rework methods. These methods included BGAs reworked with both flux only and solder paste attachment techniques and with or without the use of the BEST stay in place StencilQuick™. The daisy chained test boards were placed into a thermal test chamber and cycled between -25ºC to 125ºC over a 30 minute cycle with a 30 minute dwell on each end of the cycle. Each BGA on the board was wired and the continuity assessed during the 1000 cycles the test samples were in the chamber. ...

Publisher: Business Electronics Soldering Technologies (BEST) Inc.

Business Electronics Soldering Technologies (BEST) Inc.

BEST offers professional rework, repair and prototype builds of PCBs. Our experienced instructors teach professional soldering classes as we are an IPC certified training center.

Rolling Meadows, Illinois, United States

Repair/Rework, Soldering, Service Provider, Training / Education

Reflow Profiling Guide

Jan 31, 2007 | John Viviari, EFD, Inc.

This paper explains the solder paste reflow process and the best practices to follow when developing your profile....

Publisher: Nordson EFD

Nordson EFD

The world's leading designer and manufacturer of precision dispensing systems that apply accurate, consistent amounts of the adhesives, sealants, lubricants and other assembly fluids used in virtually every manufacturing process.

East Providence, Rhode Island, United States

Adhesives/Dispensing

Auger Valve Dispensing

Jan 31, 2007 | John Viviari, EFD, Inc.

This white paper is suitable for both new and experienced users. It is a practical education in the use and misuse of auger valves for solder paste dispensing....

Publisher: Nordson EFD

Nordson EFD

The world's leading designer and manufacturer of precision dispensing systems that apply accurate, consistent amounts of the adhesives, sealants, lubricants and other assembly fluids used in virtually every manufacturing process.

East Providence, Rhode Island, United States

Adhesives/Dispensing

Air Powered Dispensing

Jan 31, 2007 | John Viviari, EFD, Inc.

Air-powered dispensing systems use controlled pulses of air pressure to dispense solder paste from syringe reservoirs in uniform amounts. In this paper, EFD explains the most critical variables affecting air-powered dispensing of solder pastes and shows how to manage those variables to your advantage....

Publisher: Nordson EFD

Nordson EFD

The world's leading designer and manufacturer of precision dispensing systems that apply accurate, consistent amounts of the adhesives, sealants, lubricants and other assembly fluids used in virtually every manufacturing process.

East Providence, Rhode Island, United States

Adhesives/Dispensing

HASL - What a Hassle, or Hasl'd Again

Jan 24, 2007 | Earl Moon

This article updates one I wrote for Printed Circuit Fabrication Magazine in December 1991. Actually, this article trashes that - and about time. I was much too kind then talking about how to control the HASL process....

Breakthrough in Molecular Design Could Unleash the Full Speed of the Internet

Jan 17, 2007 | Cherie Winner, WSU News Service

Researchers at Washington State University have created design guidelines for new molecules that could enhance the speed of internet communications and other optical technologies....

Publisher: Washington State Magazine

Washington State Magazine

WSM is published by the Board of Regents of Washington State University.

Pullman, Washington, United States

Training / Education

Printed Circuit Board Failure Analysis

Jan 10, 2007 | Earl Moon

As with all other F/A processes, PCB's occasionally need a little help from them. The following, just as the component process in Section previous, has been condensed from so many involvements over the past 35 years, I cannot remember - nor should I because they all could have been prevented with DFM/CE. However, the information presented, coupled with good DFM/CE and PCB process management provides an insight to the beast....

Dispensing Solder Paste Micro-Deposits to 0.2mm - A Process Solution

Jan 03, 2007 | John Vivari / EFD Inc.

Solder paste dispensing is not a new process. However, today's microelectronics present a daunting array of technical challenges to meet deposit size requirements. The need for better paste formulations, more precise equipment, and more tightly controlled processes is driving paste suppliers and equipment suppliers to develop new methods and materials. The most challenging solder paste deposits are those smaller than 0.25mm in diameter and today’s electronics demand such deposits. This paper addresses the process requirements for solder paste micro-deposits in terms of material, equipment and process variable control required for success in producing 0.25mm and smaller deposits....

Publisher: Nordson EFD

Nordson EFD

The world's leading designer and manufacturer of precision dispensing systems that apply accurate, consistent amounts of the adhesives, sealants, lubricants and other assembly fluids used in virtually every manufacturing process.

East Providence, Rhode Island, United States

Adhesives/Dispensing

First Principles of Solder Reflow

Dec 18, 2006 | John Vivari / EFD Inc.

Many solder users have preconceived notions and worries involving reflow profiling guidelines. Year after year of reading profiling recommendations in industry publications, from a litany of pundits, has made it clear that perfect profiles exist and should be sought after. They feel if the solder supplier gives them a tidy drawing on a piece of paper with times and temperatures that it will magically solve all their reflow problems. This is, unfortunately, an often incorrect assumption....

Publisher: Nordson EFD

Nordson EFD

The world's leading designer and manufacturer of precision dispensing systems that apply accurate, consistent amounts of the adhesives, sealants, lubricants and other assembly fluids used in virtually every manufacturing process.

East Providence, Rhode Island, United States

Adhesives/Dispensing

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