Electronics Forum | Fri Jul 06 08:55:46 EDT 2001 | onset
Question, on a pc board that is .060 thick what should my v-score depth be? WE are currently using a v-score that leaves a remaining web of 15 thousandths is this adequate, or should we be going deeper?? thanks in advance
Electronics Forum | Mon Jan 17 04:25:50 EST 2000 | Wolfgang Busko
PC: I guess you talk about something called tombstoning. About causes and adequate countermeasures you will find enough material when you browse the archive with this search item. Try also "tombstone". Good luck Wolfgang
Electronics Forum | Fri Mar 01 04:05:31 EST 2002 | wbu
Hi Barry, didn�t get very useful information regarding the problem of BGA rework with your link. Are you sure you gave adequate technical advice ? Hope you�re not only trying to sell books. Wolfgang
Electronics Forum | Wed Jun 05 21:33:12 EDT 2002 | davef
Tough to say based on what you have told us. Things to Determine are: * Is the heat at the solder connections that are not reflowing properly adequate? * Is the pad surface of the solder connections that are not reflowing properly solderable?
Electronics Forum | Tue Jul 08 20:47:38 EDT 2003 | davef
Sam: If your gold overcoat was pourous, the nickel undercoat would corrode prior to your attempting to solder and you would not be able to solder without an aggressive flux. Since you see solder flow and wetting, it indicates the gold did an adequat
Electronics Forum | Tue Aug 26 21:12:24 EDT 2003 | iman
depends if your water wash process is manual or automation? important is the water residue inside the via holes is adequately blown out. As long as the water-flux residue is out, testing down the line should not be a issue, at least from theory and o
Electronics Forum | Mon Dec 13 12:02:20 EST 2004 | Rob
I've seen 2 types from China, one type was an amazing copy (Fuji supplier's factory back door possibly?) and the other was a cheap copy. The cheap copy was adequately functional, but I wouldn't want to bet on it's long term life.
Electronics Forum | Thu May 19 12:50:19 EDT 2005 | splice1
Hi Hoss, Thanks for your reply. Yes I am seeing the flux flood over to the top surface of my board, so to an extent I am not concerned with the fluxer. I believ that the foam fluxer is functioning adequately.
Electronics Forum | Fri Jul 08 10:13:15 EDT 2005 | fctassembly
Hi Jason, Did the SAC paste wet other board finishes adequately? I have seen no issues to date with solderability of SN100CL HASL boards with our No Clean pastes. Regards, Bob
Electronics Forum | Fri Oct 14 11:55:33 EDT 2005 | Mika
Perhaps You also can explain what the purpose of Your needs are; then we can adress Your question more adequate. Sincerly,
