Electronics Manufacturing Technical Articles

Electronics Manufacturing Technical Articles

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

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692 SMT / PCB Technical Articles

Hermetically Sealed SMD Tantalum Capacitors

Dec 15, 2011 | I.Zednickova, M.Biler, J.Petrzilek, T.Zednicek

manganese dioxide or conductive polymer cathode. Higher stability is achieved by placement of the capacitor into an SMD case filled by an inert atmosphere and hermetically sealed. The long term stability testing performed on such hermetically sealed capac...

Publisher: AVX Corporation

AVX Corporation

A leading international electronic supplier of components and connectors with worldwide manufacturing facilities, offering the world's broadest selection of passive electronic components.

Fountain Inn, South Carolina, United States

Evaluation of Stencil Foil Materials, Suppliers and Coatings

Dec 08, 2011 | Chrys Shea - Shea Engineering Services, Ray Whittier - Vicor Corporation

The past few years have brought PCB assemblers a multitude of choices for SMT stencil materials and coatings. In addition to the traditional laser-cut stainless steel (SS) or electroformed nickel, choices now include SS that has been optimized for laser c...

Publisher: Shea Engineering Services

Shea Engineering Services

We work with electronics industry suppliers to provide top quality technical documentation for their products. Services include: ghost writing, presentation creation and training program development.

Burlington, New Jersey, United States

Service Provider

RoHS: Five Years Later

Dec 01, 2011 | Dr Ronald C. Lasky

Are electronics any “greener” than before RoHS? It is a fair question to ask. With the advent of RoHS on July 1, 2006, and more recently REACH, one might be inclined to answer that it is greener than it was. We will take a look at this question in several...

Publisher: Indium Corporation

Indium Corporation

Solder pastes, solder preforms, solder spheres, soldering fluxes, electrically-conductive adhesives. All alloys: tin-lead, lead-free, indium alloys, and more.

Utica, New York, United States

Manufacturer of Assembly Material, Soldering

New Methods of Testing PCB Traces Capacity and Fusing

Nov 25, 2011 | Norocel Codreanu, Radu Bunea, Paul Svasta

The article presents virtual and real investigations related to current capacity and fusing of PCB traces in high power applications and is based on a scientific paper delivered by authors at SIITME 2010 in Romania. The reason of performing the research a...

Publisher: "Politehnica" University of Bucharest, Center for Technological Electronics and Interconnection Techniques, UPB-CETTI

"Politehnica" University of Bucharest, Center for Technological Electronics and Interconnection Techniques, UPB-CETTI

CETTI offers a substantial support in electronic packaging activities for innovative SMEs, and sustains training for continuing education of the human resource involved in electronics industry.

Bucharest, Romania

Training / Education

Using Flexible Circuits as an Electronic Interconnection... Do's and Don'ts

Nov 16, 2011 | Dave Becker

Flexible Circuits are proven, reliable interconnect solutions for many of today's electronic packages. This article gives some general guidelines in terms of "dos" and "don'ts" that will help the engineer or designer make better decisions when using flex...

Publisher: All Flex Flexible Circuits, LLC

All Flex Flexible Circuits, LLC

Flexible circuit manufacturing and assembly. 20 years experience.

Northfield, Minnesota, United States

Manufacturer of Assembly Material, Manufacturer of Assembled PCBs, Contract Manufacturer

PCB Dynamic Coplanarity At Elevated Temperatures

Nov 10, 2011 | John Davignon, Ken Chiavone, Jiahui Pan, James Henzi, David Mendez, Ron Kulterman

With the advent of larger packages and higher densities/pitch the Industry has been concerned with the coplanarity of both the substrate package and the PCB motherboard. The iNEMI PCB Coplanarity WG generated a snapshot in time of the dynamic coplanarity ...

Publisher: iNEMI (International Electronics Manufacturing Initiative)

iNEMI (International Electronics Manufacturing Initiative)

iNEMI is an industry-led consortium focused on identifying and closing technology gaps, which includes the development and integration of the electronics industry supply infrastructure.

Herndon, Virginia, United States

A Novel Local Search Integer-Programming-Based Heuristic for PCB Assembly on Collect-and-Place Machines

Nov 03, 2011 | Anupam Seth, Diego Klabjan, Placid M. Ferreira

This paper presents the development of a novel vehicle-routing-based algorithm for optimizing component pick-up and placement on a collect-and-place type machine in printed circuit board manufacturing. We present a two-phase heuristic that produces soluti...

Publisher: Mechanical Science and Engineering at UIUC

Mechanical Science and Engineering at UIUC

The Department of Mechanical Science and Engineering offers top-ranked degree programs in engineering mechanics, mechanical engineering, and theoretical and applied mechanics.

Urbana, Illinois, United States

Training / Education

Manufacturability & Reliability Challenges with Leadless Near Chip Scale (LNCSP) Packages in Pb-Free Processes

Oct 27, 2011 | Cheryl Tulkoff, Greg Caswell

Leadless, near chip scale packages (LNCSP) like the quad flat pack no lead (QFN) are the fastest growing package types in the electronics industry today. Early LNCSPs were fairly straightforward components with small overall dimensions, a single outer row...

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

Modelling of Thermal Stresses in Printed Circuit Boards

Oct 20, 2011 | Oldŕich Šuba, Libuše Sýkorová, Štépán Šanda, Michal Stanék

Results of FEM modelling of thermal stress analysis in printed circuit boards are given in the article. It is shown that thermal stress alone is not solely caused by differences in coefficients of thermal expansion of individual layers. The emergence of thermal stress is subject to both the layered structure of the wall and given boundary conditions, as well as the existence of a temperature gradient in the direction normal to the surface of the wall. A practical application focuses on the issue of recycling of PCB with the effort to achieve separation of layers due to thermal stress. Role modelling of thermal stress in this area lies in predicting the possibility of separation, depending on the type of thermal stress and material parameters....

Publisher: Tomas Bata University

Tomas Bata University

TBU follows the forty-year tradition of the Faculty of Technology, which was founded in Zlín in 1969 and since than has educated hundreds of highly-qualified professionals.

Zlin, Czech Republic

Training / Education

Are Separate Solder Flip-Chip Bonders Still Required?

Oct 13, 2011 | Eric Klaver, Senior Product Manager, Assembléon. Patrick Huberts, Product Manager Semicon Market.

Increasing miniaturization is now encouraging manufacturers of handheld devices to stack bare dies or packages. As the process of manufacturing modules requires placing both passives and (stacked) bare dies, these two types of placement are merging very quickly into a single platform. That raises the question of whether SMT equipment will take over from traditional die bonders....

Publisher: Assembléon


Assembleon manufactures a range of Surface Mount Technology (SMT) placement equipment, Pick & Place Machines and provides related services.

LA VELDHOVEN, Netherlands

Manufacturer of Assembly Equipment

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