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 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 | Thu Aug 31 00:07:24 EDT 2000 | Ramon I Garcia C
I Kyung: I'm not sure if we are working with PIHR but we insert some pines in a PCB with a pin inserter machine, after that we run this pcb in a screen printer and put over its solder paste, and then run in a chip shooter and then IC placer and f
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 | Sun Jul 06 10:07:03 EDT 2003 | MA/NY DDave
Hi Sam, Great answers so far. Let me take a stab at a few of your questions. Q1. whether this is named Pososity? I can't tell from your description. Several companies and the IPC have porosity tests to see if the Gold has good coverage of the und
Electronics Forum | Mon Jun 29 20:59:37 EDT 2020 | kumarb
Hi. The PCB does not look to be heavy. Suggest you try to email their staff - they are very good. Personally have worked with Scott there and he knows the VIOS software very well. https://trans-tec-america.com/contact/ We have the Assembleon Eme
Electronics Forum | Thu May 07 19:29:40 EDT 2009 | kareal
Hi Davef, Do you means it is natural for tin diffusion to copper trace during SMT process? but I could not detect tin in UHAST T=0 unit, and the tin diffusion was found only in copper trace of C4 cage. Two question: 1) Could you tell me which pr
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 11:58:33 EDT 1999 | Wolfgang Busko
| | | 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)
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