Electronics Forum | Tue Jun 08 11:40:03 EDT 1999 | Steve Skinner
| | | I'm encountering a new problem at my new company that I haven't encountered before in my past life - and that's Wave Soldering VIA holes. | | | | | | We've been getting a rash of defects that we call in this company, "insufficient solder in VI
Electronics Forum | Fri Jun 04 10:02:06 EDT 1999 | Chrys Shea
| | I'm encountering a new problem at my new company that I haven't encountered before in my past life - and that's Wave Soldering VIA holes. | | | | We've been getting a rash of defects that we call in this company, "insufficient solder in VIA hole
Electronics Forum | Sun Feb 24 02:21:39 EST 2002 | CJ
I work in a test-support role supporting a bluetooth production line. We use HP spectrum analysers in our final test solution and the solution to a lot of our fails is solved by calibrating these analysers. Normally we do both a Freq/Amplitude calibr
Electronics Forum | Thu Apr 11 18:26:30 EDT 2002 | TomN
I know the information is out there somewhere, but I need to find information on cost models that apply to reworking motherboards. I had this task dropped in my lap and I�m trying to turn this around quickly. Some background: Products that are diag
Electronics Forum | Thu Sep 11 15:23:31 EDT 2003 | Peter L.
I have come across a rash of failed assemblies that have 0805 capacitors and resistors, bottom side glued, wave soldered and washed. Trouble shooter reported touching up the solder joints on a few areas and the boards would pass test. I had a look a
Electronics Forum | Wed Mar 11 17:51:22 EDT 2009 | GSx
Thank you so much Dave, by having different lots of PCB received (same Supllier) with suspected and good carbon ink deposit, I found useful to adopt a comparison test among the different lots by usingthe IPC-TM-650 2.4.1 Adhesion , Tape Testing (lik
Electronics Forum | Thu Nov 18 03:54:49 EST 1999 | jacky
Hello,everyone, I want to know how I can test the reliability of the solder point.And now we just push or pull the components to test the reliability of solder point,but I don't know if there is any measure of the power applied to the component
Electronics Forum | Thu Nov 13 12:08:50 EST 2008 | cisridn
I define First Pass yield without any repairs. But I only consider a PCB to need repair if it fails test. Our boards are inspected before testing and any work done before testing, I consider to be rework and is part of the SMT process.
Electronics Forum | Mon Feb 21 20:15:49 EST 2022 | arminski
since IPC-J-STD-001 RevH obsoleted the 1.56ug/cm2 UCL of ionic contamination tester in testing using ROSE test, how do you define the acceptable limit per PCB assembly? thanks
Electronics Forum | Tue Feb 01 19:02:48 EST 2022 | proceng1
USC PArk is your underside stencil cleaner. The camera pushes it back and a magnet grabs it and holds it back. Ours did this many years ago. I pulled the rear cover and initialized the machine, when the camera pushes the stencil back, grab it and
