Electronics Forum | Tue Jun 13 22:00:10 EDT 2000 | Dave F
Suan: I'll take the "easy half" of your question I suspect you�re talking about Kleenox. It is a powder that you can sprinkle on your dross bed. Several points are: � Kleenox does not reduce dross. It reduces the amount of solder entrapped in dr
Electronics Forum | Wed Apr 05 08:51:25 EDT 2000 | Wolfgang Busko
Emmanuel: Popcorn effect is mostly caused by entrapped moisture in the components package material. Plastic ICs are known for absorbing and storing moisture when exposed to normal factory conditions. They should be stored in an moisture reduced envir
Electronics Forum | Fri Mar 23 11:58:01 EST 2001 | mparker
You are mixing long exposed paste back into fresh? How long has your fresh jar been open to the air? You are probably doing yourself a disservice by scavenging the paste (it could have moisture entrapped). Your visocity has definitely changed. You a
Electronics Forum | Tue Feb 08 12:39:52 EST 2000 | Ashok Dhawan
I have three questions on moisture sensitive devices: 1. What is general practice on incoming / receiving inspection of moisture sensitive devices- which boils down to mostly FPDs and BGAs ? Traditionally, FPD packs were opened only at time of use
Electronics Forum | Fri Dec 17 12:09:09 EST 1999 | Boca
Outstanding advice gentlemen! To borrow Dave F's line "I'd like to take a bit of a different angle." Ie. a few wave solder specific issues If this assembly is going over wave solder then avoid vias under passive components, it invites solder bal
Electronics Forum | Thu Oct 14 08:01:48 EDT 1999 | JohnW
Gee Dave That's the first time I've ever seen myself listed for a quote! Brian, what your saying is on the whole right, on the surface of it the mask, as long as it's cured properlay shouldn't make a difference but I have to say that I've found so f
Electronics Forum | Thu Aug 05 08:39:26 EDT 1999 | Wayne Sanita
| | | Hello, If you are using no-clean and they are entrapped in the flux it is also IPC accepted but i havent found a customer yet who agrees with that. Im sure you have checked your profile. I had the same problem with chip components but after c
Electronics Forum | Thu Aug 05 10:55:09 EDT 1999 | Wolfgang Busko
| | | | | | Hello, | If you are using no-clean and they are entrapped in the flux it is also IPC accepted but i havent found a customer yet who agrees with that. Im sure you have checked your profile. I had the same problem with chip components but
Electronics Forum | Fri Jul 30 14:53:01 EDT 1999 | Tom B.
Hello Netters, I have a customer who wants us to aquaeos wash a PCB after all operations have been performed. The PWB is two layer FR4 with a Transformer, a Multichip Module with Conformal Coating, (6) 11" insulated wires that are tinned on exposed
Electronics Forum | Fri Jul 30 17:16:59 EDT 1999 | Dave F
| Hello Netters, | | I have a customer who wants us to aquaeos wash a PCB after all operations have been performed. The PWB is two layer FR4 with a Transformer, a Multichip Module with Conformal Coating, (6) 11" insulated wires that are tinned on e
