Electronics Manufacturing Technical Articles

Electronics Manufacturing Technical Articles

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

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1757 SMT / PCB Assembly Related Technical Articles

A New (Better) Approach to Tin Whisker Mitigation

Mar 03, 2011 | Craig Hillman, Gregg Kittlesen, and Randy Schueller

Most of the electronics industry by now knows about tin whiskers. They know whiskers are slim metallic filaments that emanate from the surface of tin platings. They know these filaments are conductive and can cause shorts across adjacent conductors. And they know that these shorts can cause some really bad failures (see nepp.nasa.gov/whisker/ for a list longer than you need). But, with all of this knowledge, the industry is still struggling on how to predict and prevent these "Nefarious Needles of Pain"....

Publisher: DfR Solutions (acquired by ANSYS Inc)

DfR Solutions (acquired by ANSYS Inc)

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

College Park,

Consultant / Service Provider

Dross and the Selective Soldering Process

Feb 24, 2011 | Alan Cable

In the selective soldering process, dross can be detrimental. Dross (and I use this term to encompass all surface contamination) is created in conjunction with the presence of Oxygen in two different areas of the process, and by separate means. Each must ...

Publisher: SELECT Products | Nordson Electronics Solutions

SELECT Products | Nordson Electronics Solutions

Selective Soldering Equipment and Solutions for Printed Circuit Board Assembly

Carlsbad, USA

Manufacturer

Ground Pours - To Pour Or Not To Pour?

Feb 17, 2011 | Barry Olney

Copper ground pours are created by filling open unused areas with copper generally on the outer layers of the board then connecting the copper fill with stitching vias to ground. Usually, small isolated areas < 2.5.mm square are deleted automatically by t...

Publisher: In-Circuit Design Pty Ltd

In-Circuit Design Pty Ltd

In-Circuit Design provides PCB Design and EDA software training at the public, private and tertiary levels.

Bundall, Australia

Consultant / Service Provider

Novel Transmission Line for 40 GHz PCB Applications

Feb 10, 2011 | Jamal S. Izadian, Ph.D. - RFCONNEXT, Inc., Julian Ferry, Justin McAllister - Samtec, Inc.

In this paper, we discuss an electromagnetics based approach to transmission line design, and then explore a novel printed transmission line, Periodic Micro Transmission Line (PMTL™, Patents Pending), with improved signal integrity to 40 GHz....

Publisher: Samtec, Inc.

Samtec, Inc.

Samtec is recognized as the service leader in the connector industry. Most Samtec products fall into one of three categories: high speed (signal integrity), micro pitch, and rugged/power products.

New Albany, Indiana, USA

Consultant / Service Provider

0201 and 01005 Adoption in Industry

Feb 03, 2011 | DfR Solutions

First introduced in the year 2000, the 0201 package was sold in significant numbers in the electronics industry by 2003. According to some estimates, it currently accounts for approximately 20% of surface mounted component (SMC) demand worldwide1. This pu...

Publisher: DfR Solutions (acquired by ANSYS Inc)

DfR Solutions (acquired by ANSYS Inc)

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

College Park,

Consultant / Service Provider

Dispelling 10 Myths About Nitrogen Reflow

Jan 27, 2011 | Dr. Andy Mackie

In this paper, we will talk about reflow in an enclosed oven, although many of these discussions may pertain to wave soldering and even vacuum soldering.....

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, USA

Manufacturer

Development of Ultra-Multilayer Printed Circuit Board

Jan 20, 2011 | Yasuyuki Shinbo

This article introduces the technical development that went in to realizing an 80-layer ultra-multilayer printed circuit board, which meets the market demand for a "semiconductor test board supporting memory increases"....

Publisher: OKI Printed Circuits Co., Ltd.

OKI Printed Circuits Co., Ltd.

OKI Printed Circuits is engaged in design, manufacturing and sales of high-end multi-layer printed circuit boards.

Tokyo, Japan

Manufacturer

PCB Stack-Up

Jan 20, 2011 | Henry Ott Consultants

PCB stack-up is an important factor in determining the EMC performance of a product. A good stack-up can be very effective in reducing radiation from the loops on the PCB (differential-mode emission), as well as the cables attached to the board (common-mo...

Publisher: Henry Ott Consultants

Henry Ott Consultants

A consulting and training organization specializing in the field of Electromagnetic Compatibility (EMC) and Signal Integrity (SI).

Livingston, New Jersey, USA

Consultant / Service Provider, Training Provider

Tin Whiskering on PCBA Capacitors in Storage (Inside ESD Bag, Inside a Sealed Cardboard Box)

Jan 13, 2011 | Terry Munson

The tin whisker failures investigated in this paper were found on functional RoHS-compliant hardware. The samples were not conformal coated. This paper will document the conditions associated with the whisker formation under the following conditions; tin ...

Publisher: Foresite Inc.

Foresite Inc.

Foresite is a process consulting house and analytial laboratory dedicated to solving product reliability challenges for electronics manufacturers.

Kokomo, Indiana, USA

Consultant / Service Provider, Manufacturer

Evaluating The Accuracy Of a Nondestructive Thermocouple Attach Method For Area-Array Package Profiling

Jan 06, 2011 | Brian O' Leary, Tim Grove, Dr. S. Manian Ramkumar

The oven recipe, which consists of the reflow oven zone temperature settings and the speed of the conveyor, will determine a specific time‐temperature profile for a given PCB assembly. In order to achieve a good quality PCB assembly, the time‐temperature ...

Publisher: KIC Thermal

KIC Thermal

KIC's provides products and services designed to improve a variety of thermal monitoring, profiling and process control applications.

San Diego, California, USA

Consultant / Service Provider

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