Electronics Forum | Fri Dec 07 10:56:24 EST 2001 | franciscoioc
HI, I exeperience this problem before and I tried diferent type of solder pastes.The one that help my process is a Kester solder R596L OA this is a water soluble paste that i am very sure is going to help you.You can get the technical data at http:/
Electronics Forum | Thu Sep 11 23:50:51 EDT 2003 | Dean
Epoxy is hydroscopic. A cavity will form when the cure furnace reaches the boiling point of water. The steam expansion creates the pocket. It can be large enough to be filled with molten solder from the wave machine and cause a hard short under th
Electronics Forum | Fri Jun 01 14:50:29 EDT 2001 | Matt Gormont
I am looking for outline tolerances of a flip chip with a pitch of .25mm. Bumps are made of 63/37 solder. Key tolerances are bump height and positional tolerance of the bumps. Can anyone HELP?
Electronics Forum | Fri Jun 23 11:49:29 EDT 2000 | Big H
Is it just like that "smart" golf ball - where you tell it, "stop!!! stop!!!" ....or "go further!" go further! So this smart solder, you can tell it "don't skip!! don't skew!!"
Electronics Forum | Thu Sep 11 15:23:31 EDT 2003 | Peter L.
I have come across a rash of failed assemblies that have 0805 capacitors and resistors, bottom side glued, wave soldered and washed. Trouble shooter reported touching up the solder joints on a few areas and the boards would pass test. I had a look a
Electronics Forum | Fri Dec 16 07:42:05 EST 2005 | pavel_murtishev
Good evening, We noted one more very strange problem with flash memory chips. Device fails test due to flash chip malfunction. From the first sight open joint or cold joint can cause such problem. But all chip legs are soldered well. We just heat th
Electronics Forum | Mon Dec 10 04:15:01 EST 2001 | Beny
Thanks for your advise Now I don't found Non-wetting defect at TIN COATED 0603 after I had increased peak temp and Time above 183 C. At film caps, I still found Non-wetting in high rate at film chip size 2416. I using PANASONIC's part with identif
Electronics Forum | Fri Jun 23 10:00:08 EDT 2000 | Chrys Shea
Yeah, them soldering machines sure got some demons in them...My waves used to get blamed for wrong polarities all the time. Sneaky little devils used to pull components out of the boards, flip them around, and get the pins back in the holes while
Electronics Forum | Fri Dec 07 13:15:45 EST 2001 | slthomas
We've experienced similar problems with film caps, specifically Panasonic's parts that are alledgedly compatible with both reflow and wave soldering. They are identified with either GB or JB p/n suffixes, which become either GX, GC, or JC for the ref
Electronics Forum | Fri Dec 07 15:23:27 EST 2001 | davef
I'm with Brian. TIN COATED 0603 FAILURES Welcome to the lead-free generation. ;-) The Eurolanders are so blanking stupid, it just makes my head hurt. But then again, it doesn�t take much. OK, enough pontification. Your profile is setup incorrec
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