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SMTnet - where else would you meet over 500,000 industry professionals? Lockheed Martin Jobs

SMTnet Express, July 16, 2015, Subscribers: 23,036, Members: Companies: 14,463, Users: 38,550

Technical Library

Testing Printed Circuit Boards for Creep Corrosion in Flowers of Sulfur Chamber

iNEMI (International Electronics Manufacturing Initiative)

Qualification of electronic hardware from a corrosion resistance standpoint has traditionally relied on stressing the hardware in a variety of environments. Before the development of tests based on mixed flowing gas (MFG), hardware was typically exposed to temperature-humidity cycling. In the pre-1980s era, component feature sizes were relatively large. Corrosion, while it did occur, did not in general degrade reliability. There were rare instances of the data center environments releasing corrosive gases and corroding hardware. One that got a lot of publicity was the corrosion by sulfur-bearing gases given off by data center carpeting. More often, corrosion was due to corrosive flux residues left on as-manufactured printed circuit boards (PCBs) that led to ion migration induced electrical shorting. Ion migration induced failures also occurred inside the PCBs due to poor laminate quality and moisture trapped in the laminate layers.

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Forum search results for related keywords: creep corrosion, sulfur.

SMT / PCB Products

Cleaning

ZESTRON

Software

DownStream Tech..

Dispensing

GPD Global

Printing

Apex Factory...

Pick & Place

Juki

Inspection

Mirtec

Pick & Place

Count On Tools

Software

Unisoft

Test

Teradyne

Wave Soldering

EVS International

Components

Harwin

Dispensing

Chase Electronic Coatings

Printing

Speedprint

Software

Aegis Software

Pick & Place

Europlacer

Reflow

Heller

SMT / PCB Equipment Auctions

Complete 50,000 SF Facility of Late Model SMT, Test and Backplane Assembly Equipment

September 30th | X-Line Asset Management

Electronic Equipment Mart

Omron VT WIN2-L-VH

AOI / Automated Optical Inspection

Tekmart International Inc.

Universal Instr. HSP 4797L

Chipshooters / Chip Mounters

X-Line Asset Management

Vitronics XPM-1030

Reflow Ovens

IBE SMT Equipment

Panasonic RL-131 Radial Lead Inserter

PTH Equipment

Robo-Tek

Pick and Place

Pick and Place Equipment

Shenzhen Tek...

Conveyors

Conveyors

JMW Enterprises

Camalot FXD

Adhesive Dispensing Equipment

PPM

Smart Sonic 5000

Stencil Cleaners

Capital Equipment Exchange

Yamaha YV100XG

Surface Mount Technology Equipment

KD Electronics Ltd.

Events Calendar

2015 PCB Cleaning Webinar Series

Online Webinar | ZESTRON

SMTA International Conference & Exhibition 2015

Conference, Trade Show/Exhibition | September 27- October 1 | SMTA

Webinar: Flex & Rigid-Flex PCB's - Applications and Cost Drivers

Online Webinar | August 28 | Epec Engineered Technologies

Career Center

Jobs:

Software Engineering

Littleton, CO, USA | Lockheed Martin Corporation

Sales Representative

Mexico | Apex Factory Automation

Technical Sales Engineer

San Jose, CA, USA | YINCAE Advanced Materials, LLC.

Resumes:

Bachelor of Engineering in Electric and Electronics

Oppurg, Israel

Industry Associations Events

SMTA

SMTA - Surface Mount Technology Association is a non-profit international association of companies and individuals (totalling 4,000) involved in all aspects of advanced electronics assembly, surface mount and related technologies.

Membership Info | SMTA Certification | Bookstore

Next Event: Free Webinar: Power and High Temp Electronics Manufacturing - September 10

IPC

IPC - Association Connecting Electronics Industries is a US-based trade association dedicated to the competitive excellence and financial success of its nearly 2,600 member companies which represent all facets of the electronic interconnection industry, including design, printed wiring board manufacturing and electronics assembly.

Membership Info | Training & Certification Programs | Standards & Publications - Online Store

Next Event: PCB West - September 15 - 17

Technical Editor - Davef (submit your technical articles)

Newsletter Editor - Anna Girouard

SMTnet.com, 98 Elm Street, Portland, Maine 04101 USA, Tel.207-780-0887.

Used PCB Assembly Equipment - CE Exchange

CyberOptics - Revolutionary AOI Technology, Unbelievable Speed

Scienscope - Complete PCB Inspection Solutions

Unused Equipment? - let BajaBid turn your EXCESS ASSETS into cash!

Kyzen Free Cleaning Audit

3D CT X-ray Inspection from SEC

Asymtek Spectrum II series scalable fluid dispensers for assembly of semiconductors, MEMS, storage devices, and PCBs

Soldertools.net - Rework Tools

MIRTEC - the Global Leader in PCB INSPECTION Technology.

Speedprint SP700avi inline SMT screen printer

Aegis FactoryLogix Paperless Shop Floor Software - Add value, reduce costs and eliminate risk in manufacturing.

HELLER - Choose an Oven for Your Reflow Needs

Whatever the SMT manufacturing need, JUKI has you covered.

ii-Feed intelligent pick and place feeder

Fluid Pressure Control - a breakthrough in uniform fluid dispensing - GPD Global

SMTnet - Electronic Industry Hub

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fluid dispensing pumps for integration