Electronics Forum: electronic (Page 6643 of 7890)

Re: SMD mounting height

Electronics Forum | Sun Apr 19 13:52:45 EDT 1998 | D.Lange

| We have to mount our SMD devices 0.1 to 0.4 mm off the pcb | PCb substrate to compensate for thermal stressing in a | Space enviroment. Has any one any ideas or contacts for | dissolvable pads. this only applies to leadless components Robert, PPI

Re: SMD mounting height

Electronics Forum | Sun Apr 19 13:50:41 EDT 1998 | D.Lange

| We have to mount our SMD devices 0.1 to 0.4 mm off the pcb | PCb substrate to compensate for thermal stressing in a | Space enviroment. Has any one any ideas or contacts for | dissolvable pads. this only applies to leadless components Robert, PPI

Why does everyone want to x-ray BGA?

Electronics Forum | Thu Apr 16 21:33:25 EDT 1998 | Steve Gregory

Hello Ya'll, I've got what may be a silly question, but why does it seem so important to everybody that you have x-ray capability if you're thinking about doing BGA? I know what most people will tell me; "Steve, that's a pretty silly question

Re: Why does everyone want to x-ray BGA?

Electronics Forum | Mon Apr 20 13:52:19 EDT 1998 | G.Wenker

| Hello Ya'll, | I've got what may be a silly question, but why does it seem so important to everybody that you have x-ray capability if you're thinking about doing BGA? | I know what most people will tell me; "Steve, that's a pretty silly qu

Why does everyone want to x-ray BGA?

Electronics Forum | Thu Apr 16 21:30:59 EDT 1998 | Steve Gregory

Hello Ya'll, I've got what may be a silly question, but why does it seem so important to everybody that you have x-ray capability if you're thinking about doing BGA? I know what most people will tell me; "Steve, that's a pretty silly question

SM Equipment Opinions

Electronics Forum | Thu Apr 16 17:16:43 EDT 1998 | Richard

Hello, Our company has narrowed down the selection of SM equipment for a low volume production environment. I am soliciting opinions on manufacturers that we are considering. I would appreciate both positive and negative comments. Please resond to me

ALTERNATIVE SURFACE FINISHES SEMINAR

Electronics Forum | Thu Apr 16 14:09:04 EDT 1998 | Lou Madge

Dear Collegue, A seminar tittled "Things that you should know before selecting an alternative surface finish" will be offered on Friday, April 24 (during the week of the Nepcon East show) in Philadelphia. Topic that will be discussed include: Evalua

ALTERNATIVE SURFACE FINISHES SEMINAR

Electronics Forum | Thu Apr 16 14:07:49 EDT 1998 | Lou Madge

Dear Collegue, A seminar tittled "Things that you should know before selecting an alternative surface finish" will be offered on Friday, April 24 (during the week of the Nepcon East show) in Philadelphia. Topic that will be discussed include: Evalua

Re: Soldering die to heatsinks

Electronics Forum | Fri Apr 17 14:08:44 EDT 1998 | Earl Moon

| Currently I am in the buisness of soldering bare die to the top surface of a copper heat sink. Is any one else | have some exprience in this process that can help. We heat a copper slug through a contolled atmosphere, place a preform then a bare

Re: Stepmotor and sprocket for advancing Carrier Tape

Electronics Forum | Fri Apr 17 08:51:26 EDT 1998 | Stefan Witte

| We are looking for some basic mechanical parts to | advance parts in the Tape & Reel Carrier Tape using | a stepmotor. The Carrier Tape we use is as per the | EIA Standards and I imagine there are dozens of | companies that make a sprocket gear t


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