Electronics Forum | Tue Jul 27 12:45:34 EDT 2010 | kmtan
Hi expert, we have one lead frame product proposed to send to flux clean recently. The problem here is the frame is attached with high temp tape. After flux cleaning the frame, the tape turns out deformed in which we think it was due to chemical reac
Electronics Forum | Wed Feb 18 22:18:26 EST 2009 | davef
"acrylic adhesive" "high temperature" tape
Electronics Forum | Tue Feb 17 15:24:17 EST 2009 | glynnhamer
I know this is going to sound rather sad, but we have been using a Capton tape for years that contains silicone to mask large components as they go over the wave, as well as large plated holes on the pcb. It was handed down for years as accepted prac
Electronics Forum | Wed Feb 18 12:21:42 EST 2009 | glynnhamer
HI again Dave, I was wondering what kind of problems you were experiencing with the silicone tape that led you believe that it wasn't the correct tape and question the manufacturer? Were there more failures and solder issues ? Thanks
Electronics Forum | Tue Feb 17 22:52:11 EST 2009 | davef
Hey Roland How come capton beginning with a 'K' gives an error message?
Electronics Forum | Wed Feb 18 20:15:30 EST 2009 | davef
Glynn We allow no silicone in our shop, because it ruins solderability. For more look here: http://www.smtnet.com/forums/Index.cfm?CFApp=1&Message_ID=47025
Electronics Forum | Wed Feb 18 07:09:14 EST 2009 | glynnhamer
Thanks Dave, I have the correct part number from 3m, but like I said they want to only sell it buy the case, and it's expensive. I was hoping someone might know of a distrubutor that might sell in lesser quanities, or a different brand. It sounds lik
Electronics Forum | Tue Feb 17 22:49:14 EST 2009 | davef
Try: acrylic adhesive Klapton tape [google for a source] It too is more expensive than the silicone adhesive tape. So, your buyer will keep trying to sneak the cheapo stuff in on you. We had to write a procurement specification and they still wont q
Electronics Forum | Thu Mar 05 22:08:14 EST 2009 | mleber
The dewetting is caused by using a silcone based adhesive. Select a tape that is acrylic based. Tapes are a high esd generator. Always use an ionizer.
Electronics Forum | Wed Feb 15 15:27:35 EST 2006 | russ
Put this one out a little early! I just looked at the data in the Kic site and also at the other place, it is interesting how the results are different except for the high temp solder which we should have all expected. Now for my question Do we re
