Electronics Forum | Thu Jan 28 17:31:20 EST 1999 | Earl Moon
| | | Hello Netters, | | | | | | I need some info, Earl or Dave, I have a PCB that exhibits a white layer on solder side. It does not appear to be surface residues (IPA has no effect), but looks like its under solder mask. My first guess is that t
Electronics Forum | Sun Jan 31 03:28:24 EST 1999 | Jeff Sanchez
| Hello Netters, | | I need some info, Earl or Dave, I have a PCB that exhibits a white layer on solder side. It does not appear to be surface residues (IPA has no effect), but looks like its under solder mask. My first guess is that the LPI solde
Electronics Forum | Fri Jan 15 03:30:10 EST 1999 | Jeff Sanchez
| Hi all, | | I thought I'd use this forum to ask a couple general questions on fluxes for manual operations: | First - Is it OK to use a wave soldering type flux (specifically OA)? Thinking about activation temperatures and the ramp rate of the wav
Electronics Forum | Thu Sep 24 10:19:55 EDT 1998 | Dave F
| i am working on a no-clean process implementation project in a company. i want to change a board to no-clean which had dendrite problems underneath the small resistors on the bottom side(in smt).i want more information on the exact cause of dendrit
Electronics Forum | Thu Sep 17 11:09:32 EDT 1998 | Dave F
| I need an evaluation process to prove to a customer that our no-clean process does not leave excessive residue? Any ideas? Wayne: More of the same as Chry and Justin. KEY ISSUE The first thing that you need to know is: What does your customer me
Electronics Forum | Thu Sep 17 12:00:19 EDT 1998 | Mike C
| | I need an evaluation process to prove to a customer that our no-clean process does not leave excessive residue? Any ideas? | Wayne: More of the same as Chry and Justin. | KEY ISSUE | The first thing that you need to know is: What does your cus
Electronics Forum | Wed Jun 24 21:32:07 EDT 1998 | Jon Medernach
Sorry Earl but as Superboy's dad I believe that makes me Superman as we did not remove him from the wreckage of a spacecraft. There is quite a bit involved in the FC process. The Kyushu Matsushita Electric Research Labs has been developing Flip Chi
Electronics Forum | Thu Jun 25 08:24:13 EDT 1998 | Earl Moon
| Sorry Earl but as Superboy's dad I believe that makes me Superman as we did not remove him from the wreckage of a spacecraft. There is quite a bit involved in the FC process. The Kyushu Matsushita Electric Research Labs has been developing Flip C
Electronics Forum | Mon May 18 11:50:23 EDT 1998 | Earl Moon
| | | We had some failures on an IC package that the manufacturer has put down to moisture inside the package, leading to popcorning. | | | This seems a bit odd, the package is a PLCC 84 which is quite thick. I have only seen this problem on thin pac
Electronics Forum | Tue Mar 17 11:16:15 EST 1998 | Scott Cook
| Children, | Let's stop the squabbling. SMTNET is here for us to use. It may run slower but it is still a very effective and necessary tool. It's amazing, as we progress further into the information age, we become spoiled and frustrated about an
