Electronics Forum | Wed Oct 10 20:54:32 EDT 2001 | davef
We're with the Ozzy's earlier posting on this thread. We make similar products, like: * Phantom products that are mostly complete and then are configured to order by adding or subtracting a couple of parts and some jumpers. * Version products like y
Electronics Forum | Sun Jul 13 10:33:08 EDT 2008 | mpolak
Hello, Recently I have change our profiles. After I profile one board it look really good, within the paste spec. But I have noticed when board leaves the reflow zone and enters the cooling zone it looks like popcorn effect some components jumping o
Electronics Forum | Tue Oct 25 08:17:12 EDT 2005 | Rob
Also we get data from customers in all forms, and sometimes, just sometimes it doesn't match the current iteration of board, and when you have 600 passives with a combined value $1.50 it can save a huge amount of money & time trying to trace the prob
Electronics Forum | Wed Dec 13 12:08:57 EST 2000 | Stefan Witte
Apparently the adhesive tape peels off from the joint, which could have some reasons. 1. There should be an overlap of the cover tape, as Cal mentioned. The new cover tape laying over the old by approx. 2mm. I also peel the cover tape a bit off, whi
Electronics Forum | Wed Jun 05 15:09:44 EDT 2002 | cyber_wolf
I have seen this happen before it has been my experience that even one tiny sphere of solder form your solder paste will melt and spread out on your gold fingers. The particles are so small that they are not visible to the naked eye. If operators ha
Electronics Forum | Mon May 24 04:01:10 EDT 1999 | Joe Manzur
John, We are using a well known solder paste, begining with the letter "H". (I don't want to be accused of advertising). Also, we are now using a board inverter. In the early day's however, before we purchased a board inverter, we were having to
Electronics Forum | Fri Mar 06 10:30:46 EST 1998 | Ron Costa
| | | Hello everyone! | | | Does any know anything about bare board size variations? | | | Is there a spec. or tolerance? | | | I'm running small lots of boards and during the screen printing process | | | I find that I cannot paste each board perfec
Electronics Forum | Fri Mar 27 10:04:51 EDT 2009 | ericthered
We have been having problems with proper wetting when running mainly lead free but also leaded solder in our Ersa Hotflow 3. Solder either often looks grainy or doesn't flow over the whole pad. This is generally the case when my profile is 170 firs
Electronics Forum | Wed Aug 22 10:57:38 EDT 2001 | davef
I doubt that you�ll find a technical journal article that chronicles why a company selected one flux type over another. You might find some thing that sketches-out points to consider. As Cal says just because you ask an answer here, that doesn�t
Electronics Forum | Fri Apr 13 22:38:19 EDT 2001 | edylc
Hi , Could you be seeing the nickel under the gold plating because you are removing some of the Gold with the Kapton Tape....?? You mean , the adhesive properties of the kapton tape will cause the gold plating on the gold finger to be somehow peel of
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