Electronics Forum | Fri Jul 06 03:23:01 EDT 2001 | kennyhktan
Hi there Steven ! Please allow me to share some of my problem we're facing here with you. Here are a few points that I suggest you should check on your current process:- (1)PCB - Component land partern design ? It is per IPC spec ? - Mask
Electronics Forum | Thu Jan 13 13:16:40 EST 2000 | Dave F
Tony: You have choices: * Hi Temperature Tape: Go with Wolfgang ... too tough to control. * Selective Soldering Pallets: Some like 'em some don't. A lot of your success depends on the pallet fabricator. * Screenable Temporary Solder Mask: Wol
Electronics Forum | Thu May 26 08:52:42 EDT 2011 | davef
Phil Zarrow wrote a useful paper that could help in evaluating paste. Here read it ... Evaluating Solder Paste � Not An Option Contributed by Phil Zarrow of ITM an Independent SMT consulting firm With soldering being the dominant source of assembly
Electronics Forum | Mon Aug 26 20:31:34 EDT 2002 | davef
Yes, it is quite common. Does it [refraction] provide adequate resolution? => Depends on: * What you mean by �adequate�. * When during the process [cleaning solution life] you make the measurement. Is the [refraction] measurement affected signifi
Electronics Forum | Tue Jul 26 20:43:46 EDT 2005 | davef
And the reason the connectors aren't on one side of the board is ... Thougts are: * Pealable temporary solder mask * Removable boots Sources of boots that may be ESD protected are: * Kinnarney Rubber; 450 Main St PO Box 37 Mantua, NJ 08051; 856-468
Electronics Forum | Tue Jun 03 03:46:07 EDT 2014 | akasi
Is there a peelable solder mask which can withstand an automated aqueous wash ? I need to prevent water ingress into SMT modules during the wash cycle.
Electronics Forum | Thu May 30 08:51:45 EDT 2002 | davef
I assume the connector is like one used in PC104 that allows mating of boards together by inserting the pins extending from the connector on one board into the female portion of the connector on a second board. Who ever accepted this job is dopey.
Electronics Forum | Mon Apr 11 00:05:54 EDT 2011 | vinitverma
PROCAM is intended to extract Centroid from the raw Gerber only. You just need to have 2 layers (paste or mask layer - to identify pads, and silk layer - for reference designators). Centroid is the output of PROCAM.
Electronics Forum | Wed Sep 10 15:37:31 EDT 2008 | scottp
At the risk of painting with too broad a brush: QEs are like seagulls: fly in, make lots of noise, crap all over things, then fly away. Back to the knob turning vs. analysis debate. Part of it may be different industries. We're in the high reliab
Electronics Forum | Thu Mar 16 10:41:34 EST 2000 | Russ
Are we talking midship SMT or wave soldering? SMT - I have found the best method is not having them (WOW) this can be accomplished through pad design, aperture design, placement accuracy, and profiling, It is my understanding however, that these
