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 | Mon May 24 12:40:50 EDT 1999 | Deon Nungaray
| Hi everyone. My name is Martin Benites from LIma, Peru. I am actually working on a project for automate PCB assembly process in our industry. Actual process is hand-based, thus our startpoint is zero equipment. | I have already asked some companie
Electronics Forum | Wed Jul 25 09:08:19 EDT 2001 | caldon
Our July 2000 empfasis article has a residue topic available for down load. http://www.empf.org (look under empfasis). Also, there are tons of Tech Pubs information available for down load via our web site as well. Caldon W. Driscoll ACI USA 610-36
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 10 07:16:41 EST 2002 | Dmitry
Dear Collegues! I would like to know more information about prices for Contract Manufacturing of PCBs in USA. For example, who can tell us what is reasonable price for assembling following PCB: 75x150mm, one sided, 1 BGA, 4 TSOP 54mil, 200 SMD 0603/0
Products, services, training & consulting for the assembly, rework & repair of electronic assemblies. BGA process experts. Manufacturers Rep, Distributor & Service Provider for Seamark/Zhuomao and Shuttle Star BGA Rework Stations.
Training Provider / Manufacturer's Representative / Equipment Dealer / Broker / Auctions / Consultant / Service Provider
1750 Mitchell Ave.
Oroville, CA USA
Phone: (888) 406-2830
