Electronics Forum | Sun Mar 22 15:29:01 EST 1998 | Michael Fogel
What is the right way to count the opportunities for defects in order to calculate the quality (in ppm) of SMT assembly processes as well as the quality of the PCB's? Please replay to: fogel_m@netvision.net.il or micha.fogel@ecitele.com
Electronics Forum | Thu Jun 25 15:33:51 EDT 1998 | Earl Moon
| | Hi there, | | Does any one know what is TCE for fully wet saturated FR4. I came to know that for Dry FR4 the TCE is about 15-19 PPM �C. Is that true? | | | | Appreciated for your help. | | rgs, | | chiakl | Chiakl, | It looks like you are speaki
Electronics Forum | Thu Jun 25 11:47:39 EDT 1998 | Steve A
| Hi there, | Does any one know what is TCE for fully wet saturated FR4. I came to know that for Dry FR4 the TCE is about 15-19 PPM �C. Is that true? | | Appreciated for your help. | rgs, | chiakl Chiakl, It looks like you are speaking of what could
Electronics Forum | Wed Mar 25 21:49:32 EST 1998 | Alberto Cervantes
| What is the right way to count the opportunities for defects in order to calculate the quality (in ppm) of SMT assembly processes as well as the quality of the PCB's? | Please replay to: | fogel_m@netvision.net.il | or | micha.fogel@ecitele.com
Electronics Forum | Tue Mar 24 09:53:01 EST 1998 | Steve Schrader
| What is the right way to count the opportunities for defects in order to calculate the quality (in ppm) of SMT assembly processes as well as the quality of the PCB's? | Please replay to: | fogel_m@netvision.net.il | or | micha.fogel@ecitele.com Ch
Electronics Forum | Tue Jun 30 12:08:55 EDT 2009 | wrongway
sipad does work we used it on one assy it had a very fine pitch part on it and at that time our dek 260 wasn't up to the task along with our 8 mil stencils. we had no problems with it it was sticky enough to hold the parts on thur all smt machines.
Electronics Forum | Mon Dec 21 10:20:47 EST 2009 | zanolli
We are looking to purchase a table top batch oven, with nitrogen, for prototype work on various PCB assy's - some with BGA's. The intent is to simulate a multi-zone production oven profile - and we kow that an exact simulation is not possible - just
Electronics Forum | Tue Feb 07 09:49:10 EST 2006 | George
Hello everybody, I have been asked to establish a way to improve our wave solder process. I wonder where I should start. We collect data by inspecting our PCB's visually. What's the best way to report data? Ocurrence of defects in total among all
Electronics Forum | Tue Jan 12 10:18:36 EST 1999 | Russ Steiner
| Any idea what the "industry standard" is for fall out on assembled PCB's? I realize that the controls put in place in your processes will effect your overall quality. But I'm trying for a general answer. On pre-tested assemblies, should you exp
Electronics Forum | Sun Feb 15 10:47:16 EST 1998 | SMT-ASSY
In reference to your Email response, we will propose to you in the next few days a course curriculum which we hope you will find of great interest. As we told you we offer courses for assemblers and techs in PTH, SMT soldering, SMT full process using
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