Electronics Forum | Thu May 10 02:57:03 EDT 2001 | kjellman
Hi, Why not have a look at Philips/Assembl�on, their ACM machine is quite nice. It may also bring you down to Flip Chip, 0201 some through hole and odd form placement. Nice options like bulk feeding, coplanarity tests, fluxing for FC, prom feeders (
Electronics Forum | Fri Jul 07 03:27:31 EDT 2006 | dougs
Hi folks, thanks for all the tips. We have run our first batch of these flexi boards now. I had the PCB suppliers make me some 1.6mm FR4 carriers to lay the boards on to carry them through the process. (1 flat & 1 with cutouts for the second side)
Electronics Forum | Tue Oct 07 12:35:10 EDT 2008 | andy_pal
Hi All, I am using COB on my DOUBLE SIDED PCB. lastly we used Eletrolytic Ni / Flash Gold Plating. Our Boards vias Failed the UL corrosion Test. we did some cross-section analysis and found 10.75 �m of Nickel and 0.022 um of Gold and as the Process
Electronics Forum | Fri Jan 21 13:27:38 EST 2011 | mosborne1
Try baking your boards first to remove the moisture. Moisture and boards that have not been drilled properly will cause pin hole or blow holes in PTH. Also take a look the surface of the pads before printing. You maybe contaminating the surfaces of t
Electronics Forum | Fri Aug 09 02:03:18 EDT 2013 | manud01
Please help me with this issue. After reflow oven I am getting blow hole (even tin drop) from a pin hole in wave connections. This blow hole part has been produced by a inductive supplier.
Electronics Forum | Wed Jan 12 10:41:20 EST 2011 | padawanlinuxero
Hello guys ! I have a problem, I am finding some blow holes in the solder join in a resistors pad, can this be because of high humidity in the board? does baking the boards fix the problem? thanks
Electronics Forum | Tue Jun 26 15:40:12 EDT 2012 | ssupertuba
Hello there, I'm presently experiencing some blow holes and solder voids in the solder fillet of caps on boards. They are ceramic caps. The solder is SAC105 and the parts range from 33pf to 0.1uf ceramic. Any suggestions?
Electronics Forum | Tue Jul 05 16:29:27 EDT 2005 | stepheniii
The air kiss is to replace the vacuum with air so the part will drop off the nozzle. Every machine I've seen with Air kiss, uses it when discarding a part as well as when placing a part. The air kiss should not be strong enough to blow the nozzle off
Electronics Forum | Tue Aug 11 15:13:05 EDT 1998 | Xingsheng
Hi, can you please tell me how to make green coating and through-hole plating of PCB? Thanks! Xingsheng
Electronics Forum | Tue Feb 08 16:09:09 EST 2000 | dean
Generally speaking with most electronic grade epoxies: 1. Cure time is a function of temperature. 2. Polymer bonds begin to quickly break down above certain temperatures (product specific). I believe aprox 170-180C. The strength of the bond de
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