Electronics Forum | Thu Aug 12 22:38:44 EDT 1999 | Dave F
| Hello | | Having a problem with bridging on 20mil pitch qfp, only on the lead groups where squeegee goes over width of apertures. Using MPM sp-200 semi-auto, chem-etch stencil, 9-10mil width opening | 100 durometer blade. Getting "tails" on deposi
Electronics Forum | Thu Nov 21 11:10:07 EST 2013 | luciano
Hello, We've just started using VIGON A200 in our Aqueous Trident XLD system and observed that aluminium electrolytic capacitors get corroded. Concentration was set at 20% and washing is done by spray at 150F for 6 to 8 minutes. Then is rinsed seve
Electronics Forum | Mon May 24 13:33:46 EDT 1999 | Dave F
| We are running a number of boards with 8-10 25 mil PQFPs on board. Our process is mature with at least 3 years experiance and statistically few opens on the QFPs. Our beloved purchasing department has chased the almighty $ and changed FAB vendor
Electronics Forum | Wed Feb 09 21:29:28 EST 2000 | Dave F
Charlie: People cure glue using their paste reflow profile all the time. And most of them are happy. Personally, I�m with Dean and Travis. It�s possible to as you suggest, it�s appealing not to mess with your oven profile, but it just doesn�t s
Electronics Forum | Fri Jul 27 12:21:18 EDT 2012 | tpatrickwalsh
I am posting this here because I think it may have something to do with PCBA: I have a simple battery-powered consumer product (LED light) that we have been manufacturing for some time. All of a sudden in one batch, we have about a 4% rate of a sing
Electronics Forum | Wed Apr 30 19:55:21 EDT 2003 | Mike Konrad
In all likelihood, you may not be leaving flux on the board rather you may be leaving saponifier on the board. Improper rinsing is a leading cause of cleaning related board failures. The problem with some inline cleaning systems (especially old o
Electronics Forum | Fri Sep 19 10:35:56 EDT 2008 | mi
No, I don't have Panapro at all. Some Mydata files I've exported end in: *.cmp & *.gen Files saved on floppy from Panasonic MSH II end in: *.MNG, *.POS, *.SET Panasonic program filenames come out as: CF000000.POS CF000001.POS ... Sample quote of
Electronics Forum | Thu Oct 12 22:16:59 EDT 2000 | Dreamsniper
Hi Guys, I'd like to share this to all of you...you can start playing with the rests...Stated prices, if not indicated, are in Aussie $ or Singapore $. Stencil Printing Adhesive Pros a) Less Capital Equipment Cost (Short Term). In reality it is f
Electronics Forum | Wed Dec 09 14:33:02 EST 1998 | Dave F
1. What is your minimum dross generated that triggers you to procure an SRS? Your finance department probably has guidelines for the pay back of capital investments. Some companies use period of time to break-even. Others use a net present value
Electronics Forum | Sun Jul 25 22:22:10 EDT 1999 | Steve Gregory
| Oh dear forum participants, | | I left a good job (finished contract under tyrannical rule with style and grace?) in the city of Spokane. Am now in Wisconsin doing DFM of all things. Yeah, I snagged that job on our forum and can't wait. | | This
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