Electronics Forum | Sun Feb 16 20:52:34 EST 2014 | staylorebad
IPC-4552 says it does. It specifically talks about ball grid array (BGA) pads so small feature size is included as valid. Scott
Electronics Forum | Mon Sep 14 11:29:11 EDT 1998 | Anderson Dutra
Reading some technical report I found the term "CSP", but no explanation. I guess something about Chip Scale Package... but not sure. Could someone please explain it to me? Rgds, Anderson
Electronics Forum | Fri Feb 07 19:30:52 EST 2014 | staylorebad
TM-650 specifies a 50mm (2in) length of tape to be used for the test. What about areas that are smaller than 50mm? For example component pads surrounded by open areas are much smaller than that as are vias. If they pull off using the tape test would
Electronics Forum | Wed May 23 10:19:18 EDT 2001 | Spanky
I know that OA is water soluable. But what exactly does the acronym "OA" stand for? "Organic something-or-other". I've checked the archive and can only find reference to oa, not what it actually stands for. thanks, spanky
Electronics Forum | Thu Dec 17 16:11:28 EST 2009 | smt_guy
Hi, Can someone that has done their PCB's Microsectioned tell me "How much Microsection Could Cost"? Which company does Microsectioning of PCB's? thanks
Electronics Forum | Wed May 23 11:32:13 EDT 2001 | kmorris
I beleive it's Organic Acid
Electronics Forum | Tue Oct 17 12:27:05 EDT 2006 | jdengler
Did you try the Comtrol site? http://www.comtrol.com/support/download.asp
Electronics Forum | Tue Oct 17 12:29:39 EDT 2006 | jdengler
Did you try the Comtrol site? http://www.comtrol.com/support/download.asp
Electronics Forum | Tue May 29 17:04:35 EDT 2001 | pcmarch
I will second the previous answer that it stands for Organic Acid. "Acid" being the key word as to why it must be thoroughly cleaned.
Electronics Forum | Tue May 29 22:07:42 EDT 2001 | Robert Sykoh
OA stands for Organic Activated. In the good old fo SMT processes, a lot of different fluxes are being considered. RA, RMA, OA, etc. If you look at the present no-clean paste, it is actually RMA.
