Electronics Forum | Mon Nov 09 10:20:56 EST 2009 | davef
Carol: The thread that I posted above is not directed at your question. I'm sorry that I rushed in responding to you. There was two threads posted recently on the topic and I grabbed the wrong one. Here, try this link for a better response: http://
Electronics Forum | Mon Nov 09 10:36:01 EST 2009 | jjfullers
We use the very common industry standard Loctite 3609 (RED) chipbonder in our process. However, one of our new customers requires that we build on RED PCB fabs. Thus our challenge when trying to inspect the bottomside epoxy. ANYONE KNOW OF ANY OTHE
Electronics Forum | Mon Nov 09 16:05:29 EST 2009 | sawyer
Hi, i have a big problem with a BGA, and i have no idea where could be the broblem because eveything seems to be ok(printing, placement, reflow). I have arroud 2-3% Opens from the quantity of boards produced during a shift. Can enybody help me with s
Electronics Forum | Tue Nov 10 12:30:55 EST 2009 | thanh
hi all! i have a 5 zone BTU (V70) have it set up at 120, 150, 180, 190, 230 and 22 IPM. but i having 1 here 1 there 0402 tomstone, need advise how to set up the best profile to avoid tomstone. i'm using INDIUM 6.3 W.S lead paste. thank you.
Electronics Forum | Tue Nov 10 15:01:50 EST 2009 | rgduval
Check out this paper: http://www.xs4all.nl/~tersted/PDF_files/Plexus/tombstoning.pdf You can also search the SMTnet archives for more information. If you're tombstones are random as you describe, likely the problem is not with the profile; but som
Electronics Forum | Wed Nov 11 13:14:10 EST 2009 | vinh
Hi, GC-PLACE VERSION 4.1.2 Please, help me. Can you teach me basic steps to get xy data for machine. I usually teaching each location then write down xy. But sometime the board is a lot of component and take me a day to finish. Thanks
Electronics Forum | Mon Nov 23 18:23:13 EST 2009 | smt_guy
HI, I think that's an old version of GC Place. What if you just get someone who can extract the XY Files from the Gerber and pay him, maybe worth better. A lot of technical guys here are probably willing to take some extra income that is not so burd
Electronics Forum | Wed Nov 11 11:36:18 EST 2009 | reash
Hello, We are looking for a lab and low volume reflow oven. I believe we want an IR/forced air combination oven? Nitrogen gas inlet would be good. Would like many adjustable temp profile segments. We saw the Manncorp T200N on their website. Is
Electronics Forum | Wed Nov 11 15:23:20 EST 2009 | cellis
It is sold by a few companies. We are the US distributor for these ovens. There may be several people selling similar ovens or the same ovens however we offer support here in the US and parts out of US. This is only for people who buy from Manncor
Electronics Forum | Fri Nov 13 06:23:43 EST 2009 | reash
It looks like the Zelprint LT300 is LPKF too... The first one was an LPKF Protoprint S, and the second was an LPKF Zelprint LT300. Are there any of these printers that have a device to actually apply the solder paste with consistent and constant pre
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