Electronics Forum | Sat Oct 09 07:38:43 EDT 1999 | Dave F
| | | Hi, | | | | | | Does anybody know what is the minimum gold plating thickness on the PCB goldfinger required by the industrial specifications - IPC, Bellcore, etc. Where can I find the information? Appreciate for the help! | | | | | | Thanks,
Electronics Forum | Wed Aug 02 23:28:44 EDT 2017 | dawson
there are many ideal pcb manufacturers can reach your requirements. multi-layer and hdi boards, you can try and test http://www.madpcb.com
Electronics Forum | Fri May 23 09:27:37 EDT 2014 | emeto
Hello, these pads look so clean.....I am not sure you had a good solder connection there. I would check the following. 1. Is the part RoHS in a lead process 2. X -ray boards after reflow(I assume you will see head in pillow) 3. Check for board con
Electronics Forum | Wed May 30 17:19:59 EDT 2012 | allegramackenzie
I'm trying to get s some Benchmarker II test boards. I called Heraeus (610-825-6050), but they couldn't help me. It's such a big company that the person that answered the phone didn't know what a PCB was, and gave me the phone number of someone who s
Electronics Forum | Mon Jan 23 20:58:08 EST 2006 | davef
J-STD-003B - Solderability Tests for Printed Boards is currently a "Working Draft". Look here: http://www.ipc.org/status.asp
Electronics Forum | Mon Mar 24 09:09:40 EDT 2008 | jdumont
Hello all, we have been seeing a lot of issues with broken or open vias on a couple of our bare boards. We have two vendors make these for us and the issue is only with one vendors boards. We have stopped using them until we can figure out what is go
Electronics Forum | Fri Mar 30 13:06:50 EST 2001 | aortiz
Hi, I need support on the method or applicable standard to measure the shear force strength on chip capacitors and resistors. I know the soldered joints strength is related to land desing, solder volume, pcb and component solderability, component
Electronics Forum | Tue Feb 03 10:10:27 EST 2009 | milroy
Hi, There is one thing missing still, you must put a TC from the bottom side of the BGA by making a hold on the test board at the TC can measure the temperature at exactly the middle of the BGA. You should be able to the dual time and peak temperatu
Electronics Forum | Sat Apr 25 09:13:26 EDT 1998 | Earl Moon
| Hi, | A collegue of mine, working on incoming inspection | departement, asked me if I know any good standard,preferrable | on CD-ROM with high-quality images of different defects | that can be found on bare pcb`s. | I know IPC-standards, but i
Electronics Forum | Sun Apr 11 11:39:52 EDT 2010 | manchella
When we have sent some of motherboards for reliability testing in a tird party laoratory. It is found that when Dye&Pry is done after 600 cycles of Thermal Cycling, in LGA socket only one of the corner solder joing had 100% type 3 crack. All other so
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