Electronics Forum | Mon Dec 06 09:28:11 EST 1999 | Dave F
Glen: So that's this metal? Is it in the area of PTH or SMT solder connections? Etc, Etc. Assuming its near connections where pasted is reflowed ... Reflow defects, bridging: misplaced components, high placement force mushrooms paste, too much p
Electronics Forum | Mon Dec 06 09:16:22 EST 1999 | Dave F
Russ: Three things: 1 Wolfgang is 100% correctamundo about the slow dissolution rate of gold 2 Shear stength of the gold 63/37 solder connection decreases rapidly, as the gold content of the solder connection increases above 2%. 3 There are many
Electronics Forum | Tue Nov 30 17:00:26 EST 1999 | Dave F
Listed in the archive are suppliers of lead forming equipment. Most have equipment that can do the stand-ups you require. Yes you may be able to find this used. Yes you may be able to find someone with that machine near you who after you buy the t
Electronics Forum | Wed Dec 01 06:05:33 EST 1999 | Wolfgang Busko
Hi Dave, yes messy, that�s the result of trying to use the newest chips available, getting the first shot (prototype chips) and building a couple of hundred boards and than detecting that the protos do not what they are supposed to do.As our market g
Electronics Forum | Fri Dec 03 18:23:26 EST 1999 | Dave F
Mark: I'd say Woodgate has as structured zero defects soldering program as anyone. That's great that someone is funding your start-up. I'd suggest that you get (or find someone who is technically competent and) comportable with selling. My2� Dav
Electronics Forum | Tue Nov 23 15:55:23 EST 1999 | Larry
Edgar, Check the Archives, there was someone else a while back who posed this type of question. I'm sure Dave F with his wealth of knowledgs will be able to tell you the thread name. Seems to me that the consensus was, that to enter this market you n
Electronics Forum | Tue Nov 30 16:35:58 EST 1999 | Dave F
The lead Wade is speaking about is not (technically) in solution. It is in suspension (or someting like that). The lead is solder balls, flakes, and the like that is offal from his soldering process. He needs to filter this material from the waste
Electronics Forum | Wed Nov 17 11:30:33 EST 1999 | Dave F
Greg: Heller 988s are good, solid, basic reflow machines that will turn paste liquid for 85-90% of all applications. I'm not sure what you mean by "is it comperable to the larger heller with a slower rate?" But, yes it will need to be run slower t
Electronics Forum | Mon Nov 15 13:38:35 EST 1999 | Dave F
Tuan: Many people develop spreadsheets to represent their processes and costs. Also, check out CostCoach at http://www.costcoach.com, it may be just what you need. It was developed by Phil Zarrow, Ron Lasky of MPM, Dr. Dan Baldwin of Georgia Tech a
Electronics Forum | Tue Nov 09 13:20:21 EST 1999 | Dave F
Chuck: Try: 1 WWW.JEDEC.ORG 2 Search "surface mount package" which gives you ... MO-Index INDEX OF MO OUTLINES IN PUBLICATION NO. 95 BY-FAMILY INDEX OF REGISTERED MICROELECTRONIC (MO) OUTLINES (contains description of the content of each file) Goo
