Electronics Forum | Wed Mar 26 20:48:22 EDT 2008 | davef
Sealing clip, clamps used in semiconductor, hybrid packaging * Connor Manufacturing Services; 16233 N.E. Cameron Blvd., Portland, OR 97230; 503-256-0230 F503-256-0246 connorms.com * Electro Assembly Source; 602 Sciandro Dr, Greensburg PA 15601; 724-8
Electronics Forum | Wed Apr 02 13:56:03 EDT 2008 | slthomas
So your golden board isn't a valid representation of your production material. I don't use AOI but it sounds like either you need a vendor that can guarantee the same part marking appearance as you originally programmed to (not likely) or you need a
Electronics Forum | Wed Apr 09 03:21:36 EDT 2008 | fnorradd
Hi Steve, The adjustable workboard holders are a mixture of universal and aftermarket, they do not use the clamp down arms which were originally with the universal pbs holders, they are the type which have two grub screws holding the clamps to the h
Electronics Forum | Thu Apr 10 09:29:58 EDT 2008 | realchunks
Umm.... he states he is using the Induium paste for 2 weeks and experiencing problems. The problem percentage drops when he changes lot # of paste. Problem occurs on 3 different lines (assuming 3 different product). What's the common variable on a
Electronics Forum | Tue Apr 15 08:24:48 EDT 2008 | pima
Hello I would like to ask you what kind of production do u treat for high mix and low volume. I mean what is your definition for this high mix and low volume - is 5 changovers for shift is high mix and low volume technology? And what kind of SMT p
Electronics Forum | Fri Apr 18 11:52:25 EDT 2008 | leemeyer
I am looking for some sources for a reuseable thermocouple probe. We do small prototype runs and many times cannot afford to be scrapping boards for profiling. I am looking for a probe that will clamp to a pcb or pcb carrier and allow me to manipulat
Electronics Forum | Fri May 02 11:11:49 EDT 2008 | lon_sanders
The cable required for the Thinline has to work as a true RS232 interface as the unit uses all the capabilities of RS232. You will have several problems with substitutes. These cables (part number e00-2787-26) are still avaliable from ECD, the home o
Electronics Forum | Thu Apr 24 20:52:03 EDT 2008 | davef
Use of a hot air gun to reflow solder that passes tests [after failing those tests] seems to indicate the standard process reflow was inadequate. To understand this better, we'd want to measure temperatures at various points on the board during reflo
Electronics Forum | Thu Apr 24 21:52:18 EDT 2008 | fowlerchang
We have measured the temperature of CSP solder joint. The peak temperature is 232oC and the wetting time above 217oC is 30s. But we use leaded solder paste instead of lead free solder paste. I doubt why no crack of solder joint was observed after cr
Electronics Forum | Tue Apr 29 11:18:16 EDT 2008 | julienvittu
basically your problems come from the copper balance top and bottom side we are using substrate down to 0.18mm (semiconductor industry/ Bga package / SIp business) you have to respect 5% difference maximum between Top and bottom side otherwise you
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