Electronics Forum | Tue Nov 03 20:00:47 EST 2009 | davef
Solder Mask Adhesion Pull Test Tape List IPC-TM-650 Test Method 2.4.28.1, Adhesion, Solder Resist (Mask), Tape Test Method, defines the procedure for determining the adhesion of solder resists (masks) used over melting metals, (such as solder plated
Electronics Forum | Sun Nov 01 01:33:52 EST 2009 | isd_jwendell
Just my opinion: Top pic - Solder mask registration WAY too far off, without a doubt I would reject. Bottom pic - I would worry that there was/is a contamination that caused the poor looking mask. This may be cosmetic only, but unknown. I would rej
Electronics Forum | Tue Nov 17 12:26:08 EST 2015 | mikekeens
Hi Bill, there are a number of CMS/EMS companies available in the UK which offer quick turn-around PCB assembly listed at the website below:- http://www.surfacemountprocess.com/contract-electronic-manufacturing.html
Electronics Forum | Fri Jan 15 05:33:05 EST 2016 | jvercamm
hi, I would like to know if SMD parts (soic, small qfp, large qfp and tsop parts) can be programmed before PCB assembly and, if true, which companies can do this. These parts are either embedded microcontrollers with flash memory, flash memory and
Electronics Forum | Wed Jan 10 13:22:09 EST 2018 | tozitom
Thanks, You're right, mid scale for me is something that would be probably very small scale for som companies... What I need is to produce 10.000 units a month until the end of the year, probably more depending on sales.
Electronics Forum | Tue Sep 03 11:47:55 EDT 2002 | fmonette
Hi Steve, My company offers material control solutions for PCB assembly. We work with both barcode and RFID technology. We have already investigated various options to use RF tags on PCBs and we believe that it offers many significant benefits. I w
Electronics Forum | Fri Jul 04 21:09:04 EDT 2003 | ramanandkini
I have a CEM-1 PCB board with 35 microns copper. This is PCB is finished with SMOBC+HALS. We do solder SMT LEDs, but till date we do not have problems that you have listed. The LEDs are good & bright. It even passed high & low temp cycle tests (-40 t
Electronics Forum | Mon Jan 25 13:42:35 EST 2010 | patrickbruneel
This is a post from another forum as a response from Bob Landman to a claim that he had no evidence to be concerned about lead-free in hirel applications (interesting read). See below and am sure many technetters will find this interesting **********
Electronics Forum | Tue Jan 04 08:51:33 EST 2000 | g cronin
Comming into this new year I want to make sure I'm not overlooking anything in my process. I run a small contracting company, approx 20-25K PCB's per month. I am a firm beliver in finding people who know more than I do. So I am looking for anyone i
Electronics Forum | Wed Oct 06 08:49:22 EDT 1999 | Mark
| | I hope that someone can help me with my problem! I am experiencing a lot of glued on parts falling off in the wave solder machine. A little information about my process: 1)We use Loctite 3609 glue that is used up long before its shelf life 2)Ou
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