Electronics Forum | Tue Jun 02 15:53:32 EDT 1998 | Earl Moon
| We have experienced poor adhesion of acrylic conformal coating to plastic bodied IC�s. The observed symptoms of this are a blistering or lifting of the coating at the surface of the component, although peel testing has revealed that this is not al
Electronics Forum | Sat May 30 08:24:09 EDT 1998 | Dave F
| | | | We recently made the switch to no-clean and the wurface mount is turning out beautifully. However, the wave solder process continues to put up a fight; we are getting a white residue on the surface of the PCB. The residue is not locali
Electronics Forum | Sat May 30 12:51:29 EDT 1998 | Earl Moon
| | | | | We recently made the switch to no-clean and the wurface mount is turning out beautifully. However, the wave solder process continues to put up a fight; we are getting a white residue on the surface of the PCB. The residue is not loca
Electronics Forum | Thu Sep 02 10:00:29 EDT 2004 | russ
If you are concerned about shelf life and handling of raw or partially assembled PCBs use Immersion gold and hope that you don't get black pad, I still love this finish but I have been fortunate to never receive bad boards. If I understand your ques
Electronics Forum | Tue Jan 23 10:48:05 EST 2001 | genglish
Hi kirks, I don't want to appear to be selling a product for a particular supplier, but we recently (six months ago) purchased a Kerry SC1000 stencil / misprinted cleaning system. We too were experiencing solder beads in via holes left behind after
Electronics Forum | Wed Sep 13 12:36:14 EDT 2000 | Steve Thomas
In the following thread, http://www.smtnet.com/electronicsforum/view_message.cfm?message=9584& John Thorup touched on some applications where no-clean fluxes could be a bad idea. I'm looking for some more detailed info. (papers, references, texts
Electronics Forum | Thu Sep 14 11:39:59 EDT 2000 | Steve Thomas
Ahhhh, Dave, I'm glad I can still count on you for some real cutting edge info. yuck, yuck. Believe me, there's a lot more information available on how to resolve no-clean issues than there is on how to keep this stupid board wash/DI/Stencil wash/
Electronics Forum | Sat May 29 16:04:49 EDT 1999 | M Cox
I have always thought it to be a good practice to wash SMA's with water soluble paste (WS609) soon after reflow. Is there a time limit as to how long a board should sit after reflow before washing said board? For instance; processing a double-sided
Electronics Forum | Fri Mar 12 06:08:02 EST 1999 | Scott Davies
SMTNetters: excellent Forum, keep up the good work all! We are in the process of purchasing a Dek Stencil Cleaner and we have been recommended to use Vigon SC200 solvent to remove Heraeus no-clean solder paste from stencils and mis-printed PCBs. We
Electronics Forum | Sat Mar 06 13:52:13 EST 1999 | Earl Moon
Where I'm located, we call it OCC. By any other name would it smell/stink as sweet? I need to know, though it's been overworked, who has experience with OSP and its compatibility with water and IPA no-clean, VOC no-clean, and device adhesives (possi
