Electronics Forum | Tue Jan 20 16:26:59 EST 2015 | emeto
There are a lot of lead testers out there. Just google it. I personally don't think you will find anything wrong, but for the pleasure of your customers buy one and prove it. I would also check the lead on the squeegees of your stencil printers and t
Electronics Forum | Thu Jan 22 13:01:14 EST 2015 | dyoungquist
We are using a nitrogen generator (with a N2 storage tank) that feeds 1 selective solder machine. I do not know which type of generator it is. The N2 generator has an oxygen analyzer on it. The selective solder manufacturer recommends a N2 purity
Electronics Forum | Mon Feb 09 07:55:16 EST 2015 | jax
Without knowing the surface finish of the PCB lets focus on an alternative problem... At a minimum, you need to look at the 1/2 built assembly like individual components, all having their own MSD levels and all subject to 2nd side reflow temperatures
Electronics Forum | Wed Aug 19 16:28:03 EDT 2015 | mdeley
Looking for a Santa Clara area contract service with capability to attach 15mil dia. solder coated Cu balls, ideally on a 12" x 18" PI panel, small job to start. T&R services are a plus. My initial search is coming up with device/component level r
Electronics Forum | Mon Feb 05 02:47:59 EST 2018 | jingyiprecision
Hi anyone have recommended pcb manufacturer? My > require: quick delivery time; best > quality; affordable price; best service; PCB > Assembly provided I have seen a lot of links , It nice to try . You may needs of board level shielding , can tr
Electronics Forum | Thu May 12 14:15:50 EDT 2016 | kahrpr
This is just me but I would just let it air dry. If you think about it. If you were using water soluble paste you would run it through a washer and it would survive. If this was a BGA i would be very concerned. If you are truly worried look an the ma
Electronics Forum | Tue Jul 12 10:33:24 EDT 2016 | dontfeedphils
I'd start by checking and reteaching the nozzles (this is automatic, it'll measure the nozzle length and vacuum values for each nozzle). After that double check the value you have entered for the PCB thickness as this will impact where the machine t
Electronics Forum | Wed Aug 17 06:30:50 EDT 2016 | thaneshsivanadian
Hi Guys, i have some doubt, may i know how to calculate the PCBA warpage after complete of SMT and through hole process? Do we have any calculation for that? And What is the acceptance level of warpage after complete assembly? Thanks, Thanesh
Electronics Forum | Fri Nov 18 15:45:27 EST 2016 | jg_annaanthan
Hi all, my site using x-ray machine "Agilent 5DX Series 5". The tester will hang around 10- 15 min during perform automatic startup at level "Delta Z". My site, we already change Front & Rear laser, burn galil, performed manual startup, total shutdow
Electronics Forum | Wed Mar 15 12:39:24 EDT 2017 | cyber_wolf
Customer precedes standard, but customer must be educated and informed on what is achievable with their design and what is accepted as industry standard practice. My guess is that the negative effect of those voids is negligible. {Voids at the sold
