Electronics Forum | Mon Jun 04 23:52:57 EDT 2012 | rway
Actually, if you experience lack of witness marks, you probably have a problem. Witness marks are OK and will not affect your assembly. I assume this is an SMT assembly we are talking about, in which case, this is what your test pads are for. You
Electronics Forum | Mon Jun 04 18:06:01 EDT 2012 | swag
Once a day is excellent QA but my experience has been that it's overkill. We check various products at the start of the run - it amounts to a couple of times per month at most. Over the years, I have not seen any problems with the ovens. The only
Electronics Forum | Sun Jul 01 10:29:46 EDT 2012 | anton99
Thanks dyoungquist and tech 1, Things have been crazy lately installing Mylabel and keeping up with customer demand. I have been looking into buying more reels for the high runners (caps, resistors, IC’s that we use a lot) and I think we have a shot
Electronics Forum | Mon Mar 18 07:55:59 EDT 2013 | stephendo
Talk to your buyers about forcasts. How do they know how to what to buy? They should be able to tell you what parts are going to be used on all the upcoming assemblies. Just make sure you don't get a purchase requirement report. That wouldn't inc
Electronics Forum | Thu Jun 14 06:13:47 EDT 2012 | ccgooi
I am running a product with board size ~18"X16". I faced stencil aperture positional accuracy issue which slightly shifted at both end of stencil at positive and negative in X direction thus causing solder paste to pad mis-registration. Due to this s
Electronics Forum | Fri Aug 03 14:55:26 EDT 2012 | davef
Not the best situation in the world, but you know that. Check with printer equipment suppliers [eg, DEK, MPM, etc] for a product called "Stencil Clean Wipes." Back in the old days, we'd: * Wipe the stencil with a solvent soaked wipe * Put the sten
Electronics Forum | Mon Aug 27 09:23:22 EDT 2012 | rway
Which military? The US? Being a military contractor, I am surprised at your lack of quality at your facility. I suspect this is non-US military. I don't know where you are located, but being a contract mfg for the military, any military, I can im
Electronics Forum | Mon Aug 27 12:51:32 EDT 2012 | cobham1
I have run 0.031 boards. One of the things you may want to look at is the speed of the oven. With 14 zones you may be going to slow with the board which could be the reason your boards are starting to bow. You might also think about adding stiffners
Electronics Forum | Thu Aug 30 13:26:40 EDT 2012 | joeherz
Appreciate all the replies. We have a good system in place with ESD tile floor, grounded systems/benches/etc and heel and wrist strap usage and monitoring. Good training program as well. We've recently upgraded to the 2007 version of the ANSI 20.2
Electronics Forum | Tue Oct 16 10:06:46 EDT 2012 | jackofallmasterofnone
Hello all, First off let me start by introducing myself. My name is Dan and I work for a contract manufacturer. During a job search I had heard from a previous co-worker that there was a packing job available at the facility where he now worked. I
