Electronics Forum | Mon Jul 29 08:28:05 EDT 2002 | pjc
Start killing DEK now, on the ELA. All DEK 248 semi-auto printers have been built in China for quite some time (years). Its shipped to the UK from China. All DEK ELA models are now built in China, since 01 some time. Thats the fact Jack. All MPM mod
Electronics Forum | Wed Jul 31 19:30:54 EDT 2002 | AXRT
Looking for partner & sponsorship Ladies and gentlemen, I am looking for serious partners, willing to support me and to cooperate in the realization of two projects in the area of implementation of modern X-ray techniques. Both projects will place
Electronics Forum | Tue Aug 13 13:17:39 EDT 2002 | peterson
We are having trouble with some through-hole connectors "shorting out" on a thick backplane. Preliminary research is suggesting that it may be due to excess flux, trapped under the plastic connector shell. I have done a bit of searching in the fine S
Electronics Forum | Thu Sep 12 11:50:58 EDT 2002 | stepheno
http://www.jedec.org/download/search/jstd020b.pdf http://www.jedec.org/download/search/jstd033a.pdf The above links are for JEDEC standards regarding moisture sensitivity. SMT magazine has an article a few months ago regarding a company that saved
Electronics Forum | Fri Aug 30 00:47:53 EDT 2002 | TLe
Dave, you did not understand my problem right. We don�t get paste on the PCB in the printing phase of process. I have seen also poor wetting on OSP, as you descriped, but that is very unusual. I think generally OSP is better than gold/nickel if spea
Electronics Forum | Tue Sep 03 17:48:34 EDT 2002 | dphilbrick
My customer is finding a blue haze on some SMT pads after processing, kind of looks like a water spot on the surface of solder joints. It requires 20x mag and very good lighting to see. We have done 2 different ionic tests and the boards pass to clas
Electronics Forum | Fri Sep 06 14:35:47 EDT 2002 | bobm
I have been in smt for about 4 yrs. I would say you need to evaluate what type of components you are going to place. How many boards your orders will be for. I use Quad pick and place equipment. These are all around good machines for placing everythi
Electronics Forum | Fri Sep 06 15:22:53 EDT 2002 | barryg
Genny, we recently went through the same scenerio. First to consider is your budget. Second , what type of components (fine pitch, bga, chip components)that you would be placing. Also consider board size max. that you would be doing and would see you
Electronics Forum | Sun Sep 15 08:35:42 EDT 2002 | davef
That 60+% print defects number has been bantied around for so long in the electronic assembly business for so long that people believe that it's true. One starting point for this myth and lore is: "Where Quality Is Lost On SMT Boards" C Mangin, 'Cir
Electronics Forum | Sun Sep 15 15:08:00 EDT 2002 | jersbo
My 2 cents... Screen printing may very well have a leg up on deciding SMT defects... however if you pay attention to your stencil (aperture size ratio etc..) and inspect your prints... I believe its a much lesser number... (paste MFG also plays a ro
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