Electronics Forum | Fri Jan 19 13:45:06 EST 2007 | russ
print less paste, and make sure that part is aligned properly after placement. Russ
Electronics Forum | Fri Jan 19 14:41:49 EST 2007 | Al Coholic
Tonang, you should learn the process before you accept the job.
Electronics Forum | Thu Jan 18 17:08:28 EST 2007 | jaimebc
Production reject IC short? So there is a solderbridge on your IC? What type of IC? A few things to consider: 1.- Too much paste during screen printing because you may not have enough PCB support You need to provide as much details as possible (
Electronics Forum | Thu Jan 18 15:02:11 EST 2007 | jhaviland
A little more detail may help. Is it just a bridging problem? Is the IC backwards? and what is your current setup. This may help you get better responses.
Electronics Forum | Fri Jan 19 14:29:19 EST 2007 | I.P. Freely
What is the part designator? A lot has to do with that. Also, is this a double sided reflow board. Perhaps you need to change your process to accept two heat cycles simultaneously. Solder thieves should work. Check the archives.
Electronics Forum | Mon Jan 29 16:11:36 EST 2007 | Carl
"So I jump ship in Hong Kong, and I get on as a looper in the Himalayas...Gunga-Galunga... ...So we finish the eighteen, and he's gonna stiff me...when you die, on your deathbed, you will receive total conscienceness. So I got that goin' for me, whi
Electronics Forum | Thu Aug 30 16:27:05 EDT 2018 | emeto
You should request 100% Flying probe coverage - will cost you extra. If you have bigger quantities you could consider ICT fixture.
Electronics Forum | Wed Aug 29 05:30:30 EDT 2018 | teresat2
I guess these boards only used Fly test. Flying needle test is one of the methods to check the electrical function of PCB (short circuit test). The flight test machine is a system for testing PCB in a manufacturing environment. Instead of using the
Electronics Forum | Fri Jan 19 15:23:22 EST 2007 | SMT GUY
Things to consider... Print alignment - Use off contact Printing and verify board supports - In machine ensure part profile is correct with correct nozzle and thickness - Use support pins in machine to limit placement bounce - Limit input from produc
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