Electronics Forum | Thu Sep 10 16:15:52 EDT 1998 | Larry Johnson
I was wanting to know if double sided reflow can be done with a metal plated BGA on topside. We would be running bottom side first. My boss seems to think the only way it can be done is by placing glue dots on the bottomside compoents because the B
Electronics Forum | Thu Sep 10 11:57:20 EDT 1998 | James Michaud
I'm very familiar with the great board space savings of BGA and all the "claims to fame." However, can someone out there tell me if any concern exist in the inspection realm. Additionally, solder cracking, CTE/TCE mismatches, no leads for stress reli
Electronics Forum | Thu Sep 10 09:44:05 EDT 1998 | Earl Moon
| | Can anybody point me to a Standard that provides details on the use of Wire Links for the repair of SMT PCBs, e.g. the maximum number of permissible links, the material to be used, the method of joint etc.? | Dave: ANSI/IPC-R-700 answers many of
Electronics Forum | Thu Sep 10 17:26:56 EDT 1998 | Dave F
| | | Can anybody point me to a Standard that provides details on the use of Wire Links for the repair of SMT PCBs, e.g. the maximum number of permissible links, the material to be used, the method of joint etc.? | | Dave: ANSI/IPC-R-700 answers man
Electronics Forum | Thu Sep 03 10:04:14 EDT 1998 | Earl Moon
| Can any one tell me if there is a large difference between green soldermask and blue soldermask, in reference to sending the board through the IR reflow oven. | - two PCB's (smc parts) are manufactured, the first has green soldermask, the second bl
Electronics Forum | Thu Aug 27 13:46:42 EDT 1998 | Rob Williams
General Question to anyone. If you were to go out and build the ideal stencil for pasting boards, what would be the best way to build a stencil? I have some boards that have 19.7 mil pitch parts and the pad width is 10 mil. The length of the pad
Electronics Forum | Thu Aug 27 15:50:47 EDT 1998 | MMurphy
| General Question to anyone. If you were to go out and build the ideal stencil for pasting boards, what would be the best way to build a stencil? I have some boards that have 19.7 mil pitch parts and the pad width is 10 mil. The length of the pa
Electronics Forum | Thu Aug 27 14:13:36 EDT 1998 | Dave F
| General Question to anyone. If you were to go out and build the ideal stencil for pasting boards, what would be the best way to build a stencil? I have some boards that have 19.7 mil pitch parts and the pad width is 10 mil. The length of the pa
Electronics Forum | Wed Aug 26 07:10:24 EDT 1998 | Wayne Bracy
Cunli: All of us are upset with certain people that would take advantage of SMTNet! There are a few of us that visit the forum on a daily basis and appreciate everything you and your staff have provide for us. Plus, we sincerely appreciate the qui
Electronics Forum | Tue Aug 18 10:18:22 EDT 1998 | Dave Hulbert
I have a question on tenting of vias on PWB's. I have designed a 6 >layer, military, mixed components (all on top side), LPI soldermask >board which will be run over the wave. I was planning on tenting vias >but did not specifically specify that on f
