Electronics Forum | Wed Mar 02 10:45:24 EST 2011 | remullis
Ok Guys I need help in justification of Converting TH boards to SMT. We do quite a bit of I/O controllers using sockets and chips, and our biggest defect issues are bad chips. I am preaching to convert these boards over to SMT, however my designers
Electronics Forum | Wed Mar 02 11:11:02 EST 2011 | remullis
Ok Guys I need help in justification of Converting TH boards to SMT. We do quite a bit of I/O controllers using sockets and chips, and our biggest defect issues are bad chips. I am preaching to convert these boards over to SMT, however my designers
Electronics Forum | Thu Mar 17 10:06:09 EDT 2011 | dyoungquist
Strange indeed. We use a Q18 and have never seen this. Is it sweating inside the thermal barrier case, i.e. you put it in the case dry and it is wet when you take it out of the case? Maybe its actually coming from the inside of your thermal barrie
Electronics Forum | Thu Mar 17 11:15:26 EDT 2011 | circleprime
I did some investigating and it seemed that getting a reflow oven with an inert atmosphere could be the answer to the inconsistant wetting issues that we are having with a leadfree DFN-10 on one of our products. Here's my question(s). It seems that
Electronics Forum | Mon Mar 21 09:49:42 EDT 2011 | bwjm
Hi all, need help on getting a pick and place. i am think of getting used Philips Acm Micro. Is this machine user friendly and easy to program? This is my first time purchasing P&P. I have very limited budget and i saw some of these going off at USD$
Electronics Forum | Tue Mar 22 16:48:05 EDT 2011 | kmots15
We use an evaporator plumbed into the output of the stencil washer, it works great and reduces our Haz waste. You might need to get some form of permit first as this could be considered treating Haz waste in some areas, depends if you do Pb on your
Electronics Forum | Tue Mar 22 11:20:56 EDT 2011 | jercole
NEED HELP!!! I am getting solder splatters on my panels. We produce 100's of different kinds of product and this is the only one that is leaving solder splatters all over the masking. It is however the first time we have used 40 pin QFN's. I don't th
Electronics Forum | Wed Mar 23 19:57:18 EDT 2011 | dlou87
Im sure this has been gone over before, but what the heck! We are mounting LEDs on metal core PCBs. Almost all of them have domes of silicone on top. We have some large boards (largest is 2ft x 3") Not concerned with parts/hour or fancy features.
Electronics Forum | Thu Mar 24 11:04:41 EDT 2011 | smt_guy
Hi, I have a 2.75" x 1" x 0.027"thick CCA with SOIC16W and QFN56 as well as some 0201's, 0402's and QFN16 Components that are to be enclosed via molding process. Is there any Insert Moling, Over Molding Circuit Card Assembly Guidelines out there fr
Electronics Forum | Fri Apr 01 17:45:31 EDT 2011 | smt_guy
thanks for all your replies. we tried running our beta runs and have lots of issues. first our molding process which was set to 450'F temp at 1200 PSI smashed the circuit card components and penetrated the epoxy compound we used to encapsulate the C
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