Electronics Forum | Sun May 21 09:38:25 EDT 2006 | davef
Epoxy Removal and IC Delidding [Hardware Hacking: Have Fun While Voiding Your Warranty, Chapter 14] Encapsulation of critical components using epoxy or other adhesives is commonly done to prevent tampering and device access (the microprocessor shown
Electronics Forum | Thu May 18 12:37:47 EDT 2006 | slthomas
I can't believe this is the first time this has happened, but anyway..... We have a turnkey job (customer provided only the bare boards) that included testing with their system. One board failed, and we found damage (a short deep gouge) that seems t
Electronics Forum | Mon Jun 05 14:01:48 EDT 2006 | Brian
I have used, Siemens, Juki, Fuji, Universal, and Assembleon. All of them can do the job, depending on the machine mix selected. I personally prefer MPM screenprinters, after using both DEK and MPM. BTU, Vitronics, Heller, and Ellectrovert all make
Electronics Forum | Fri Jun 02 12:18:47 EDT 2006 | Vince Whipple
Marc, Topside temperature is one of the most critical parameters for a successful solder process. Temp stickers are OK to use but won�t tell you the temperature in tight areas. The temp gun like Jay suggested is what I use as a quick indicator. (Rayt
Electronics Forum | Tue May 30 08:46:10 EDT 2006 | patrickbruneel
Interesting read, I guess they finally figured it out (with 32 days left) 2 quotes from the articles "What is surprising however � although it should not be � is that, despite the claims of health and environmental threats, the latter based on the r
Electronics Forum | Thu Jun 08 23:26:28 EDT 2006 | Shawn Vike
We are a small company, reletivly new to doing our own SMT (1 year) and we are having an issue, I think. We manufacture many board with no problems, but we have one that constently defeats us. This particular PCB has ENIG finish, and we have had th
Electronics Forum | Wed Jun 14 11:37:44 EDT 2006 | shawnvike
find the problem? Were the parts failing > electrically? Or did someone start prying them > and decide they were too weak? Originally found the problem going through some older assemblies that had failed testing. Poked at leads and found them no
Electronics Forum | Fri Jun 09 17:45:05 EDT 2006 | mika
We have some problem with the Pb-free SOIC's at the UIC GSM2 on the Flexjet head camera; (seem to remember this from before, but I can't find it on this forum). The Pb-free small SOIC:s are reflecting the light differently than leaded parts and are
Electronics Forum | Fri Jun 16 20:40:43 EDT 2006 | mika
Hi Grant, I understand your concerns about the reliability. It depends what the boards are use for. For ex. if it is in a telecom system market where lifetime and reliability is a big issue 10-20 years lifetime (our customer reqs. that at the system
Electronics Forum | Wed Jan 24 07:57:26 EST 2007 | Mark
Like everyone has said make sure you request Cad files from your sales people first. Than if sales allows (which I'm sure they will) is call the customer and go through with them step by step how to extract the cad file that you need. If you refer to