Electronics Forum | Mon Nov 02 22:02:01 EST 2009 | boardhouse
Umar - the boards are not assembled - so Solder splash is not applicable. Solder resist does not Melt it cures. As a board supplier I would not want my clients to adapt if they are receiving crap product, I would expect them to leave.
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 18:09:17 EST 2009 | gregoryyork
I think most have summed up the first pictures also is the drillng looking like it is misregistered as well. Better to do a solvent test to determine resist cure not the old stuff the newer chemicals show under cure problem much better. Try your st
Electronics Forum | Thu Jun 24 23:52:36 EDT 1999 | Dean
| | | Dear guys, | | | | | | I have some problem on assembling micro-BGA with solder paste (63/37). The micro-BGA we assmeble is 0.75mm pitch and with 45 pin (solder bump is 96.5/3.5Ag). The stencil is a laser-cut stencil with 5 mil thickness. We
Electronics Forum | Mon Jun 28 11:51:36 EDT 1999 | Brian Wycoff
| | | | Dear guys, | | | | | | | | I have some problem on assembling micro-BGA with solder paste (63/37). The micro-BGA we assmeble is 0.75mm pitch and with 45 pin (solder bump is 96.5/3.5Ag). The stencil is a laser-cut stencil with 5 mil thicknes
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 | Fri Jan 15 09:18:28 EST 2016 | whitewing
If you're using Microchip parts, Microchip can supply ready programmed (and marked) via Microchipdirect. Some distributors also offer programming services
Electronics Forum | Thu Jan 11 08:51:58 EST 2018 | spoiltforchoice
Well 10K assemblies/month to many is a big number, but then you also describe a PCB with 8 parts on it, 80K parts is not a big number. If you send me a DM I can even get our UK assembly house to quote on it if you like, bare PCB can be sourced from U
Electronics Forum | Tue Jan 09 14:23:14 EST 2018 | tozitom
hi SMTnet, I'm searching for a reliable mid scale pcb+assembly supplier in Europe (preference to EU zone but not exclusive). Please tell me about your experiences. Best Regards.
Electronics Forum | Mon May 14 09:39:55 EDT 2001 | martys
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