Electronics Manufacturing Technical Articles

Electronics Manufacturing Technical Articles

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


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695 SMT / PCB Technical Articles

Economics, Technology Drive Industry To Non-Intrusive Board Test.

Nov 11, 2009 | Alan Sguigna Vice President Sales and Marketing ASSET InterTech, Inc.

Non-intrusive board test (NBT) has become an increasingly critical facet of contemporary board test strategies. Recent developments in basic electronic technology as well as the evolving economics of electronic test have combined to make NBT and the test technologies that comprise it, such as boundary-scan test, processor-controlled test (PCT) and built-in self test (BIST), a necessity....

Publisher: ASSET InterTech, Inc.

ASSET InterTech, Inc.

ASSET InterTech is the leading supplier of open tools for embedded instrumentation to engineers doing design validation, test and debug.

Richardson, Texas, United States

Other, Software Manufacturer

Head-in-Pillow BGA Defects

Nov 05, 2009 | Karl F. Seelig.

Head-in-pillow (HiP), also known as ball-and-socket, is a solder joint defect where the solder paste deposit wets the pad, but does not fully wet the ball. This results in a solder joint with enough of a connection to have electrical integrity, but lacking sufficient mechanical strength. Due to the lack of solder joint strength, these components may fail with very little mechanical or thermal stress. This potentially costly defect is not usually detected in functional testing, and only shows up as a failure in the field after the assembly has been exposed to some physical or thermal stress....

Publisher: AIM Solder

AIM Solder

AIM is a leading global manufacturer of tin-lead and lead-free solder assembly materials for the electronics industry.

Montreal, Quebec, Canada

Manufacturer of Assembly Material, Soldering

Effects of an Appropriate PCB Layout and Soldering Nozzle Design on Quality and Cost Structure in Selective Soldering Processes

Oct 29, 2009 | Reiner Zoch, Product Manager Christian Ott, Sales and Project Manager SEHO Systems GmbH

The globalization of markets results in stronger competition with clearly noticeably cost pressure. For companies producing electronic equipment it is therefore of existential importance to reduce production costs whilst maintaining a consistently high quality level of the manufactured products. Manual repair soldering that is expensive, time-consuming and cost intensive is already unacceptable due to the required quality and the reproducibility of the whole manufacturing process....

Publisher: SEHO Systems GmbH

SEHO Systems GmbH

SEHO develops and manufactures reflow, selective and wave soldering machines for the electronics industry. Since its foundation in 1976, SEHO is worldwide THE contact partner whenever soldering is involved.

Kreuzwertheim, Germany

Manufacturer of Assembly Equipment, Soldering

Conforming To a Higher Standard of Reliability

Oct 22, 2009 | Phil Kinner

An electronic product's reliability has the potential to make or break its manufacturer and can be life-threatening in many safety critical applications. Conformal coatings have long been used to protect electronic assemblies from their operating environment but can vary hugely in their protective performance. It is the objective of this article to explain in detail why it is important to qualify coating products to the relevant standards and how different coating types affect performance....

Publisher: Chase Electronic Coatings

Chase Electronic Coatings

HumiSeal is manufactured by Chase Electronic Coatings, an operating division of Chase Corporation and produces conformal coatings from all chemistries, including acrylics, urethanes and silicones, both water based and UV curable.

Westwood, Massachusetts, United States

Manufacturer of Assembly Material, Adhesives/Dispensing

A Review of Models for Time-to-Failure Due to Metallic Migration Mechanisms

Oct 14, 2009 | Elissa Bumiller and Dr. Craig Hillman

Electrochemical migration (ECM) is defined as the growth of conductive metal filaments across a printed circuit board (PCB) in the presence of an electrolytic solution and a DC voltage bias. ECM, also known as dendritic growth, is a critical issue in the electronics industry because the intermittent failure behavior of ECM is a likely root-cause of the high occurrence of field failures identified as no trouble found (NTF)/could not duplicate (CND)...

Publisher: DfR Solutions

DfR Solutions

DfR Solutions has world-renowned expertise in applying the science of Reliability Physics to electrical and electronics technologies, and is a leading provider of quality, reliability, and durability (QRD) research and consulting for the electronics industry.

College Park, Maryland, United States

Service Provider

Resin Coated Copper Capacitive (RC3) Nanocomposites for System in a Package (SiP): Development of 3-8-3 structure

Oct 08, 2009 | Rabindra N. Das, Konstantinos I. Papathomas, Steven G. Rosser, Tim Antesberger, John M. Lauffer, Mark D. Poliks and Voya R. Markovich.

In the present study, we report novel ferroelectric-epoxy based polymer nanocomposites that have the potential to surpass conventional composites to produce thin film capacitors over large surface areas, having high capacitance density and low loss. Specifically, novel crack resistant and easy to handle Resin Coated Copper Capacitive (RC3) nanocomposites capable of providing bulk decoupling capacitance for a conventional power-power core, or for a three layer Voltage-Ground-Voltage type power core, is described....

Publisher: i3 Electronics

i3 Electronics

A world leader in high-performance PCB fabrication & assembly, semiconductor packaging, systems integration & test, advanced laboratory services and contract R&D.

Endicott, New York, United States

Manufacturer of Bare PCBs, Manufacturer of Assembled PCBs, Assembly, Component Packaging, Contract Manufacturer

The Environmental Cost of Green

Sep 30, 2009 | Aqueous Technologies Corporation

Being involved in the electronics assembly industry for more than 23 years, specifically in the field of defluxing and cleanliness testing, I have seen my share of environmental regulations. Long before the debate over lead-free alloys, there was the Montreal Protocol....

Publisher: Aqueous Technologies Corporation

Aqueous Technologies Corporation

Manufacturer of aqueous-based defluxing equipment, cleanliness testing equipment, and stencil cleaning equipment.

Rancho Cucamonga, California, United States

Cleaning

Optimizing Batch Cleaning Process Parameters for Removing Lead-Free Flux Residues on Populated Circuit Assemblies

Sep 18, 2009 | Steve Stach, Austin American Corporation, Mike Bixenman, Kyzen Corporation

Electronic assembly cleaning processes are becoming increasingly more complex because of global environmental mandates and customer driven product performance requirements. Manufacturing strategies today require process equivalence. That is to say, if a product is made or modified in different locations or processes around the world, the result should be the same. If cleaning is a requirement, will existing electronic assembly cleaning processes meet the challenge? Innovative cleaning fluid and cleaning equipment designs provide improved functionality in both batch and continuous inline cleaning processes. The purpose of this designed experiment is to report optimized cleaning process parameters for removing lead-free flux residues on populated circuit assemblies using innovative cleaning fluid and batch cleaning equipment designs....

Publisher: Austin American Technology

Austin American Technology

Austin American Technology engineers and manufactures high performance cleaning systems. Our systems include batch and inline; aqueous and solvent; spray in air and spray under immersion with ultrasonics.

Burnet, Texas, United States

Cleaning

What Cannot Be Cleaned In a Stencil Cleaner

Sep 18, 2009 | Steve Stach, Austin American Technology

The stencil cleaner can be one of the most versatile tools on the manufacturing floor. It can be used to clean electronic modules in various stages of the manufacturing process. In fact, an automated stencil cleaner can clean just about anything you come up against in your PCB assembly process....

Publisher: Austin American Technology

Austin American Technology

Austin American Technology engineers and manufactures high performance cleaning systems. Our systems include batch and inline; aqueous and solvent; spray in air and spray under immersion with ultrasonics.

Burnet, Texas, United States

Cleaning

Fluid Flow Mechanics Key To Low Standoff Cleaning

Sep 18, 2009 | Harald Wack, Ph.D., Umut Tosun, Naveen Ravindran, Sylvain Chamousset, Joachim Becht, Ph.D.; ZESTRON, Steve Stach, Austin American Technology Corp.

In recent years, various studies have been issued on cleaning under low standoff components; most however, with incomplete information. It is essential to revisit and describe the latest challenges in the market, identifying obvious gaps in available information. Such information is crucial for potential and existing users to fully address the cleanliness levels under their respective components. With the emergence of lead-free soldering and even smaller components, new challenges have arisen including cleaning in gaps of less than 1-mil....

Publisher: ZESTRON Corporation

ZESTRON Corporation

Manufacturer of high precision cleaning products and services for all required applications in the electronics manufacturing industry.

Manassas, Virginia, United States

Cleaning, Test Services

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