Electronics Forum: copper and short (Page 2 of 29)

distance from the edge Non-plated mounting hole and with copper pads ?

Electronics Forum | Fri Oct 26 13:16:41 EDT 2018 | slthomas

Is there any chance that something like a riv-nut might be used for mounting purposes or is it just a screw hole?

Does any factory can produce 4 layers blind board with 3 OZ inner and outter layer copper

Electronics Forum | Thu Mar 12 08:38:47 EDT 2020 | floravictor

Hi, We can produce such pcb, we are pcb factory in Shenzhen. my skype: qjthomasxiao mail: victor@flora-ltd.com

Does any factory can produce 4 layers blind board with 3 OZ inner and outter layer copper

Electronics Forum | Fri Jun 12 09:10:48 EDT 2020 | apcpcba

Hello, we can meet your request, welcome to visit our website: https://www.apc-pcbassembly.com/

Does any factory can produce 4 layers blind board with 3 OZ inner and outter layer copper

Electronics Forum | Tue Mar 10 04:37:44 EDT 2020 | luciano_zhang

I have a files need produce in a urgent time. It's 4 layers PCB with 3 OZ inner and out layer quantity need 10000pcs ,any one know which supplier is aviliable?

Does any factory can produce 4 layers blind board with 3 OZ inner and outter layer copper

Electronics Forum | Thu Jun 11 09:28:57 EDT 2020 | pcbkathay

Dear Luciano, We are PCB manufactured based in China,we can produce the PCB as your requirements as soon as we can, please send the files to my email 284816044@qq.com looking foward to your email.

Does any factory can produce 4 layers blind board with 3 OZ inner and outter layer copper

Electronics Forum | Thu Jun 11 02:32:54 EDT 2020 | beanzheng0

Hi, Luciano This is James from http://www.nextpcb.com We can do your order we have 2 manufacturers over 2500000sq. The 4 layer PCB boards on sale now. Please send your inquiry to support@nextpcb.com Or you can contact me on WhatsApp:+8613243830029 S

Immersion Au and ENIG surface finishes

Electronics Forum | Thu May 02 07:11:10 EDT 2002 | davef

They probably the same. Most likely someone is saying immersion gold [immersion Au] as a short hand for ENIG [ Electroless Nickel - Immersion Gold]. It is very uncommon to plate gold directly on copper, because gold and copper form a brittle interm

Solder mask and fine pitch devices

Electronics Forum | Tue Jan 08 09:23:18 EST 2013 | lock_2002

This is a question regarding soldermask between pins of fine pitch devices. The majority of our production designs end up with at least 2-3 mils of copper thickness on the external layers due to blind vias, wrap plating requirements, etc. Our curre

Conductive contamination and the elusive solution

Electronics Forum | Fri Jul 13 09:27:15 EDT 2007 | losersk8er

Sorry I have just started working in this industry so I am not as familiar with everything. The probelm is with the Product shorting because of small pieces of metal stretching accross two leads of an IC. This could be a result of faulty equipment?

Re: Cracking Capacitors and Solder Balls

Electronics Forum | Mon Jun 08 14:52:16 EDT 1998 | Gary Simbulan

| Earl, et al, | Boy things get old and cold around here fast. I promised more detail on my capactior problem and I thought I could drop something completely different in the same message and tell a tale of solder balls. | First the caps. We stil


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