Electronics Forum | Tue Mar 10 04:40:01 EDT 2015 | vb7007
Hi I have been struggling with boards for high quality picky customer. I am getting flux waves (like splashed - too hard to clean) after wave, where as we are still using Kester 979 (No clean flux, but as we are getting visible marks which looks si
Electronics Forum | Sat Apr 04 19:17:23 EDT 2015 | sync40
Hello to everybody. Does someone have some experience or review in the past with roller tinning machines? I mean low cost machines with two rollers and a molten solder tank. The finished soldermasked PCB pass through the rollers (like a lamination)
Electronics Forum | Sun Jul 26 07:09:25 EDT 2015 | orbitcoms
Thank you for your prompt response. The boards we have made for us current are Immersed Gold treated because we have been hand soldering and needed flat finish that would solder ok without tarnishing too quickly. I will take a look at the link you pr
Electronics Forum | Fri Oct 02 10:34:20 EDT 2015 | dyoungquist
After looking at your profile, some general thoughts.... Your profile looks like what is commonly called a ramp-spike profile and not a ramp-soak-spike profile. Going off of Sarason's comment, you may not have a good soak period before the spike in
Electronics Forum | Fri Nov 06 12:15:19 EST 2015 | derrikf
Also, for anyone who's taken an interest in this thread: We just received samples of Henkel/Loctite's room temperature stable(yes, you read that right), halide-free, lead-free pastes, both the GC 10 and the GC 3W (which is a water soluble/wash paste
Electronics Forum | Mon Aug 24 17:58:10 EDT 2015 | warwolf
We have had some test results come back after we were getting poor wetting in our joints, we requested an EDS on our joints from our PCB supplier. They have provided the results and said that it was their fault and will replace. What I want to know
Electronics Forum | Wed Jun 08 17:35:04 EDT 2016 | slthomas
We all know that whenever possible, we want thermal relief between the barrel/pad and the copper foil to make it easier to properly solder that through hole connector. My question is, assuming there is no connection from the barrel to a copper layer
Electronics Forum | Fri Jul 29 13:30:43 EDT 2016 | gregp
Versatec specializes in the remanufacture of Contact Systems machines, most notably the CS-400E component locator with programmable cut and clinch. these machines are field proven over the past two decades and provide many benefits when utilized: 1.
Electronics Forum | Tue Oct 25 11:48:03 EDT 2016 | dontfeedphils
Hi, we're currently running a design with a fairly simple BGA. The problem we're running into is poor solderability (cold looking joints, high voiding in the BGA). All of this on a know good oven, with a known good thermal profile. I'm guessing it
Electronics Forum | Tue Feb 21 01:32:49 EST 2017 | soldertraining
Looking for advice on soldering lead free paste to a board with very heavy gold plating, In my opinion, Gold contact surfaces are often used on circuit boards with membrane switches which is a choice of technology for industrial, commercial and consu
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