Electronics Forum: exceed (Page 41 of 42)

Re: More moisture-sensitivity ??'s

Electronics Forum | Mon Apr 24 17:42:34 EDT 2000 | Dave F

Rich: Awww, don�t worry that you have to ship product. This moisture sensitive part thing is more important. ;-) And don�t worry that everyone is giving you guff and no one is supporting you. Yours is a thankless job. ;-) You got it right!!!

Re: Help I need DATA on Thermal shock caused by REWORK!

Electronics Forum | Sat Oct 02 20:19:19 EDT 1999 | John Dwinell

| | I am currently in the middle of a company wide war and I'm looking for data (AMMO). Here are the problems: | | | | 1) I am looking for anyone who has done or seen any reports on Thermal Shock to smt parts and/or via holes caused by Soldering Ir

Re: Things I Like Without Endorsing

Electronics Forum | Thu Jun 03 07:10:31 EDT 1999 | Earl Moon

| | To you all for comment and summary, | | | | The following things I like without endorsing (PCB/PCBA stuff - outside the great women in my life [many] and without [mostly]): | | | | 1) A good set of design rules | | 2) A good set of design rules

Re: Things I Like Without Endorsing

Electronics Forum | Sat Jun 05 00:27:54 EDT 1999 | Dean

| | | To you all for comment and summary, | | | | | | The following things I like without endorsing (PCB/PCBA stuff - outside the great women in my life [many] and without [mostly]): | | | | | | 1) A good set of design rules | | | 2) A good set of

Re: Problems with wave solder

Electronics Forum | Thu Nov 19 09:32:52 EST 1998 | Earl Moon

| | | | | | For some as yet unkown reason, we have started to have some boards sag and go under the wave. The boards are surface mount top side and conventional components wave soldered. We have checked the wave hight and both the profiles on the wav

Re: Problems with wave solder

Electronics Forum | Thu Nov 19 09:55:47 EST 1998 | Dave F

| | | | | | | For some as yet unkown reason, we have started to have some boards sag and go under the wave. The boards are surface mount top side and conventional components wave soldered. We have checked the wave hight and both the profiles on the w

Re: Tin-Lead thickness on PWB's/Let's Hear More

Electronics Forum | Tue May 26 20:18:09 EDT 1998 | Justin Medernach

| | | | I'm reviewing my board fab spec. It calls for a minimum SnPb thickness of 50 microinches on HASL PWB's. I've looked at other specs that call out anything from 30 to 80 microinches, and others that just say the copper pad must be covered and

Re: BGA repair/rework

Electronics Forum | Sat Mar 06 20:46:21 EST 1999 | Dean

| | | | | | I'm having a fun time between BGA rework/repair using an SRT 1000 and SPC efforts (much easier) using DEK stencil printing processes and BTU reflow with 6 Fuji lines in between. | | | | | | Concerning the BGA stuff, I'm getting about 60

Re: BGA repair/rework

Electronics Forum | Sun Mar 07 08:19:24 EST 1999 | Earl Moon

| | | | | | | | I'm having a fun time between BGA rework/repair using an SRT 1000 and SPC efforts (much easier) using DEK stencil printing processes and BTU reflow with 6 Fuji lines in between. | | | | | | | | Concerning the BGA stuff, I'm getting

Re: Tin-Lead thickness on PWB's/Let's Hear More

Electronics Forum | Tue May 26 21:27:33 EDT 1998 | Earl Moon

| | | | | I'm reviewing my board fab spec. It calls for a minimum SnPb thickness of 50 microinches on HASL PWB's. I've looked at other specs that call out anything from 30 to 80 microinches, and others that just say the copper pad must be covered a


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