Electronics Forum | Thu Jan 03 08:02:53 EST 2002 | davef
Slump is a function of the particular paste you select and the temperature of the paste. Use a slump test like the one that follows to compare fluxes. Slump Test Step Process activity 1 Print paste on white ceramic substrate or microscope sli
Electronics Forum | Sat Feb 02 23:16:17 EST 2002 | caldon
STIMPMAN- Dave is correct Teflon has to be going somewhere. Solder is also expensive and to be dragging it around the fingers on your machine is not cheap either. (I am sure Debbie could recomend a reclain system ). Some times the pain is either fron
Electronics Forum | Tue Mar 05 20:00:47 EST 2002 | rwilliams
I have recently been handed all responsibility of our Reflow Ovens. Upon my inspection, I discovered that any possible device on the ovens that you would think would require calibration, has a sticker indicating no calibration required. The practice
Electronics Forum | Thu Mar 07 12:33:39 EST 2002 | peterson
We are currently examining the issue of AOI machines (both in-line and off-line) It seems that the only positive remarks I find are written by the salespeople representing AOI manufacturers. Can someone please refer me to a more neutral source? My in
Electronics Forum | Fri Apr 12 17:19:34 EDT 2002 | davef
Some suppliers of stencil cutting machines are: * Lumonics, 130 Lombard St, Oxnard, CA 93030 805.485.5559 fax3335 http://www.lumonics.com * Directed Light 633 River Oaks Pkwy San Jose, CA 95134 800-468-2326 408-321-8500 fax 8466 http://www.directed
Electronics Forum | Mon Jul 08 03:09:12 EDT 2002 | Benny
Hi all How can I find the technical paper or source of information about using No-clean flux with high frequency apllication. High frequency mean more than 2 GHz - 5 GHz. I heard from my colleague that No-clean flux residue on board effect to high
Electronics Forum | Wed Jul 31 08:23:49 EDT 2002 | mcm4me
221C). 2D vision can very effectively detect % pad coverage, I use it on my DEK and this customer has an MPM which I also believe to be capable. Here is another fact, when the customer uses Brand X solder paste the defects due to what they call pad
Electronics Forum | Wed Aug 07 08:46:38 EDT 2002 | davef
The time and temperature required for baking moisture from your boards varies according to the conflicting desires to: * Remove enough entrapped moisture. * Desire to retain solderability of solderable surfaces. Search the fine SMTnet archives for s
Electronics Forum | Tue Aug 13 13:17:39 EDT 2002 | peterson
We are having trouble with some through-hole connectors "shorting out" on a thick backplane. Preliminary research is suggesting that it may be due to excess flux, trapped under the plastic connector shell. I have done a bit of searching in the fine S
Electronics Forum | Fri Sep 13 13:26:34 EDT 2002 | dougt
If it's not blowing the fuse in the car then I guess it wasn't drawing a huge amount of current. Check the power wires going into the radio and look for something loose. My first guess is your loosing voltage across a bad connection somewhere and a
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