Electronics Forum: no operating voltage (Page 1 of 7)

Touch or no touch-up

Electronics Forum | Fri Feb 11 08:15:35 EST 2005 | davef

It sounds like you already know the answer. Hand soldering is much more stressful to a board than mass soldering, because: * It is more localized and there is no preheat. * It is more difficult to control. [Different connections require different h

no clean rework

Electronics Forum | Mon Aug 09 10:10:29 EDT 1999 | Gian.D

hello to everybody, we have a really satisfactory no clean process, both smt/reflow and wave soldering, but we get troubles with defects rework; does anybody know how to eliminate flux residues or how not to produce them during rework operations? Th

Re: no clean rework

Electronics Forum | Wed Aug 18 15:52:21 EDT 1999 | DENNIS FOWLER

| | | Gian | | | | | | You alarm me when you talk of white residues in a "no-clean" process. This should not happen. It sounds like you have compatibility problems between different residues and/or a poorly polymerised solder mask. | | | | | | Ther

Touch or no touch-up

Electronics Forum | Fri Feb 11 01:36:22 EST 2005 | brown

OK I am counting someone knowing this. True or False, if my touch-up operators touch-up the smt solder joints too many times will this make the joint weaker? if yes why? and what happens to my intermetalic layer? I have insisted if it looks good don

Touch or no touch-up

Electronics Forum | Fri Feb 11 09:32:16 EST 2005 | patrickbruneel

"Finally, going back to your original point "I have insisted if it looks good don't touch it." That's the real issue. You and your operators have different standards. [Can you imagine how much touch-up your going to have when you go to leadfree?]"

Re: no clean rework

Electronics Forum | Tue Aug 10 20:22:15 EDT 1999 | Wayne Sanita

Hello, Could be that touchup operators are using too much flux. What are you dispensing flux with. Disposable or refillable flux pens are good to have around. | | | | hello to everybody, | | | | we have a really satisfactory no clean proc

Re: no clean rework

Electronics Forum | Thu Aug 12 09:02:08 EDT 1999 | Gian.D

| Hello, | | Could be that touchup operators are using too much flux. What are you dispensing flux with. Disposable or refillable flux pens are good to have around. | |Good! could you suggest some suppliers name or address or web site or e.mail...

Re: no clean rework

Electronics Forum | Tue Aug 10 03:13:30 EDT 1999 | Dreamsniper

| hello to everybody, | we have a really satisfactory no clean process, both smt/reflow and wave soldering, but we get troubles with defects rework; | does anybody know how to eliminate flux residues or how not to produce them during rework operatio

Re: no clean rework

Electronics Forum | Tue Aug 10 07:47:12 EDT 1999 | Brian

| | | hello to everybody, | | | we have a really satisfactory no clean process, both smt/reflow and wave soldering, but we get troubles with defects rework; | | | does anybody know how to eliminate flux residues or how not to produce them during rew

Re: no clean rework

Electronics Forum | Tue Aug 10 05:51:03 EDT 1999 | Gian.D

| | hello to everybody, | | we have a really satisfactory no clean process, both smt/reflow and wave soldering, but we get troubles with defects rework; | | does anybody know how to eliminate flux residues or how not to produce them during rework op

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