Electronics Manufacturing Training

Technical Articles From Foresite Inc.

Read technical articles about electronics manufacturing added by Foresite Inc.


3 technical articles added by Foresite Inc.

Company Information:

Foresite Inc.

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

Kokomo, Indiana, USA

Cleaning, Consultant, Service Provider, Test Services

  • Phone (765)457-8095
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(3) technical library articles

(1) news release

Failure Analysis – Using Ion Chromatography And Ion Chromatography/Mass Spec (IC/MS)

Apr 29, 2021 | Terry Munson

Since the 1980s the electronics industry has utilized ion chromatography (IC) analysis to understand the relationship of ions, and some organics, to product reliability. From component and board fabrication to complete electronic assemblies and their end-use environment, IC analysis has been the de facto method for evaluating ionic cleanliness of electronic hardware....

How Clean is Clean Enough – At What Level Does Each of The Individual Contaminates Cause Leakage and Corrosion Failures in SIR?

Sep 08, 2016 | Terry Munson, Paco Solis, Nick Munson, Steve Ring, Evan Briscoe.

In this investigation a test matrix was completed utilizing 900 electrodes (small circuit board with parallel copper traces on FR-4 with LPI soldermask at 6, 10 and 50 mil spacing): 12 ionic contaminants were applied in five concentrations to three different spaced electrodes with five replicas each (three different bare copper trace spacing / five replications of each with five levels of ionic concentration). The investigation was to assess the electrical response under controlled heat and humidity conditions of the known applied contamination to electrodes, using the IPC SIR (surface insulation resistance) J-STD 001 limits and determine at what level of contamination and spacing the ionic / organic residue has a failing effect on SIR....

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 ...

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