Patty, Pete, The Professor, and Rob Head for China
Patty was checking her email. She noticed a note from someone who had attended last night’s SMTA meeting. Patty had just been elected ...
Lack of Care in Reporting can Mislead Greatly Re Tin Whiskers
Folks, UPDATE: To be fair and thorough myself, I want to point out two things: 1.span style="font-family: 'Times New Roman';......
Is Conductive Epoxy a Low-Temperature Alternative to Lead-Free Solder?
Conductive epoxy is a common material choice for bonding components, especially if the assembly process is temperature-sensitive. Tin-based solde...
What Happens if US RoHS Happens?
The US House of Representatives bill H.R 2420, affectionately known as US RoHS, was introduced in May of 2009. From what I can tell,...
Understanding Gold on Nickel
The use of gold layers deposited onto nickel is standard in many industries, from DRAM memory module edge connectors, to electrical test probe co...
Designing with a Performance Phase Change Material
Generically, a phase change material is one which will store or release energy when it changes phase from solid to liquid or liquid to solid. Acc...
Saving a House or Losing a Mansion?
Folks, The adventures of Patty and The Professor continue….. Patty and The Professor agreed to work with two of the local process engineers to...
Solder Paste – Flux
The second main ingredient in solder paste is the flux (vehicle). Flux is a very complex group of chemicals/materials that must be able to do a number...
Lead Free Alloy Selection
Ignoring the solder selection as part of your design process is risky business. font face="Times......
INTERVIEW: Dr Jennie Hwang: World-Renowned Solder Expert
Dr Jennie Hwang I recently had the opportunity to discuss several issues in Pb-free die-attach and other solder applications with Jennie Hwang Ph...
RoHS: 3 Years Later
Folks, Amid predictions of disaster RoHS was enacted 3 years ago on 1 July 2006. The sky was going to fall…....it never did. ...