Electronics Forum | Thu Sep 15 22:36:24 EDT 2005 | Ken
1. How did your customers preious supplier deal with this problem? 2. Why did they not alert you these sepcial needs during the quoting process? If they have special needs then relegate the parts to hand-stuff. Don't forget to adjust your price
Electronics Forum | Thu Nov 03 14:48:59 EST 2005 | Jason Miller
I've been tasked with identifying what world class quality should be for my company's products (custom military/avionics power suppliers & custom transformers/inductors/magnetics, see http://www.hirelsystems.com for more info). I can't get a shred o
Electronics Forum | Wed Mar 27 21:20:30 EST 2002 | davef
There is two major BGA coating camps. * Camp #1: "We require the coating to be under low stand-off devices but with no filleting. So we apply a thinned dip coat first, and then top-off with a proper spray coat" * Camp #2: "We want no coating under th
Electronics Forum | Mon Feb 20 20:57:35 EST 2006 | Cal Kolokoy
The ramp sets the stage for flux activation, and if ramping in a linear fashion, burning off some of the volatiles, but yet preserving the activators. The ramp is also intended to preheat the SMDs to prevent thermal shock. Most solder paste data sh
Electronics Forum | Mon Aug 16 13:38:35 EDT 2010 | rl
i would like to request some advice on manually dispensing paste for super fine pitch components. first some background. i am a small design house and specialize in sub-miniature prototypes for avionics. so far, i have mostly used stainless steel st
Electronics Forum | Thu Feb 10 22:55:50 EST 2000 | Dave F
Fred: I'm tryin' my darndest to be good, because, for whatever stupid reason, I feel that you're making an honest inquiry and not just floating something to find the biggest sucker. If only Earl was still here, he'd always bite on stuff like this.
Electronics Forum | Tue Jan 05 10:17:25 EST 1999 | Earl Moon
| | | Does anyone have any experience with vibration testing of BGA packages and assemblies? We are starting to design BGA's into some of our products and we have not found very much information on vibrational test results. Any information will be
Electronics Forum | Wed Apr 08 18:15:18 EDT 1998 | Graham Naisbitt
Scott, I am not really in a position to answer this as fully as I would like because most military work with which I am familiar is subject to some degree of secrecy most especially on the internet. At least we have signed up to such restrictions. Ho
Electronics Forum | Tue Apr 14 15:42:45 EDT 1998 | Scott Cook
| Scott, | I am not really in a position to answer this as fully as I would like because most military work with which I am familiar is subject to some degree of secrecy most especially on the internet. At least we have signed up to such restrictions
Electronics Forum | Tue Aug 10 09:09:39 EDT 2004 | mattkehoe
wash->ssd top->wash->sticky flux bottom side->place smt components->reflow->wash->sticky flux top side->place topside smt components->reflow->wash) ssd is basically the process of applying solder paste to the pcb with a stencil and the solder reflowe
