Electronics Forum | Tue Mar 31 12:43:52 EDT 2009 | dallascap
I don't think there is anything releated to IR light in your false calls rate rise on Post-reflow. Soldering Flux is most probably the reason. Indeed, more or less soldering flux residue condenses on the boards according to the oven extraction syst
Electronics Forum | Mon May 11 18:30:10 EDT 2009 | boardhouse
Hi Milas, Here is a link to an artical on the subject. http://pcdandf.com/cms/content/view/4784/95/ The big difference in the to is that ENIG is self limiting where as electroplating is not. All product manufactured with either finish goes throug
Electronics Forum | Mon Jul 13 05:54:39 EDT 2009 | rway
Hello all, We are looking to purchase another AOI system with side angle cameras. Currently we are using a YesTech M1 system that has only a top-down camera (it can't be upgraded with side cameras). Does anyone have experience with YesTech F1 sys
Electronics Forum | Wed Aug 19 15:24:21 EDT 2009 | smt_guy
I have a customer who approved and asked us to process PCB's built with Lead-Free HASL Finish using Eutectic Solder. We did as directed and inspected the result from a 10-PCB Run and couldn't find any problem with solderability or issues. What Issue
Electronics Forum | Wed Sep 30 13:13:16 EDT 2009 | mikesewell
I never calculate it when I setup a profile...I have a feel for our fluxer setting and adjust based on belt speed and width. I also have different nozzles and a pressure setting to play with. Inspect the bottom of the board for good coverage. Runn
Electronics Forum | Wed Jan 06 09:14:19 EST 2010 | jeffreyj
tpappano - Heh! Well, in the beginning there's going to be money flying INTO it... We decided the smartest thing to do was place a "help wanted" ad on craigslist for a Quad tech. One that lives in the area responded so we are going to hire him for a
Electronics Forum | Fri Nov 13 11:41:37 EST 2009 | gregcr
Hi All, I am implementing a proper feeder maintenance program for my HSP chipshooter feeders. I have the calibration jig. I am developing a procedure with the following general steps: 1. Cleaning 2. Visual Inspection / Repair 3. Calibration / Testi
Electronics Forum | Thu Dec 03 07:37:44 EST 2009 | duso02
The quality of the brush is most important. We use artist brushes from Torrington Brush Works. Sable works best but are the most expensive. We use more camel hair. They work best for us as we "hand coat" hundreds of boards a week and go through many
Electronics Forum | Thu Dec 17 18:08:41 EST 2009 | lynn_norman
Back in a former life, we had 3 products that were PCBs bonded to aluminum boards. We used a PSA from 3M to bond the board to the aluminum. Polymers are almost invisible in x-ray, but ultrasound worked quite well. You should try CSAM. Don't know
Electronics Forum | Mon Mar 08 16:23:05 EST 2010 | mikesewell
I'd think about database structure and programming aspects as well. I'm cleaning up an implementation where the parts were taught as they appeared to the AOI programmer irrespective of the Pick & Place data/libraries. Lots of rotation fixes, parts
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