Electronics Forum | Mon Aug 30 10:17:16 EDT 2010 | markgray
We currently use this devise in one of our designs with no issues. We are using a 3mil stencil and a 45% apperature reduction. It is virtually impossible to eliminate voids but they are in an acceptable range. Solder balls are caused on this componen
Electronics Forum | Sat Mar 24 00:50:24 EST 2001 | PeteC
Fresh paste from a factory sealed container. Should paste be scrapped out altogether if left on the stencil for too long (length-of-time?)? Our paste is Multicore CR39. Multicore reccomended the print chamber be around 22C @ 50%-60% RH. Our plant is
Electronics Forum | Fri Feb 16 11:37:58 EST 2007 | hectorsmtnet
I have been using the Loctite Multicore WS200 with great results for the last two years. We also use the lead free version WS300. I like the flux chemistry (which is the same for both products); it really withstands long soaking times and with very g
Electronics Forum | Tue Aug 31 04:05:23 EDT 2010 | arjan
Hi Mark, Thanks for your responce! The stencil thickness and especially the reduction of 45% are not recommend by LT, did you came to this combination experimentally? We never have the illusion to produce voiding free, but now its around the accepta
Electronics Forum | Wed Jan 03 14:10:33 EST 2001 | Hussman
I've been told that they will be getting out of bar solder. Maybe they plan to introduce a new soldr under the Henkel name or something. Otherwise, I've been told the paste buisness is just fine.
Electronics Forum | Fri Apr 07 16:10:44 EDT 2000 | Chris McDonald
Kapton Tape should not leave a residue. But Ive seem cheap Kapton do that. Anyways I have gotten a stencil cleaner soldevent to clean off tape residue (Multicore has a good one) It will meet IPC. Chris
Electronics Forum | Wed Jul 11 20:20:44 EDT 2001 | davef
Your selections are good, assuming you are talking about cleaning raw paste, rather than reflowed RMA. Maybe add Multicore Prozone, JNJ Aquasonic, and Kyzen Aquanox.
Electronics Forum | Tue Jan 18 08:28:58 EST 2000 | JohnW
Hello folk's, long time no chat.... I'm looking for some help, I'm trying to find a formula for calculating flux weight on a VOC flux (Multicores NR3S-06)does anyone have any idea's...Dave???? JohnW
Electronics Forum | Sat May 04 21:08:11 EDT 2002 | saiwong
Special solder paste means you can't use the cheap one in low end procusts. You have to such as Multicore on the CP7. Sai
Electronics Forum | Tue Jan 13 12:06:23 EST 2004 | blnorman
Can't tell you based on sales, but here's a list I know of: Kester Alpha Metals Aim Indium Multicore (Henkel/Loctite) Qualitek
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