Electronics Forum: gold+plating (Page 1 of 40)

Why gold plating on PCB?

Electronics Forum | Fri Feb 28 01:08:33 EST 2020 | sarason

Back in the 50's, 60's and 70's gold plated boards were all the rage for high reliability. test equipment, milspec etc. Nowadays only edge connectors are gold plated. Immersion plated gold is also used but it doesn't last the distance like gold plate

Why gold plating on PCB?

Electronics Forum | Fri Feb 28 00:42:40 EST 2020 | luciano_zhang

What is the use of gold plated boards?

Selective Gold Plating

Electronics Forum | Mon Sep 24 19:25:42 EDT 2018 | rfazil

How can you make a cathode for selective gold plating edge connector. I know you can add bus/tie bars but we want to remove them and just want to do selective hard gold plating of gold fingers.

solder SnPb wire to gold plated IC

Electronics Forum | Fri Apr 13 21:02:19 EDT 2007 | Sam

Anyone experience using SnPb wire to gold plated ICs? I have tried to solder the SnPb wire to the gold plated ICs lead, but the surface finishing is dull. Can anyone explain that to me? Why it is not shinny surface? Any recommendation?

Difference Gold Plating electrolytic and ENIG with on BGA

Electronics Forum | Wed Apr 06 12:21:14 EDT 2011 | ripper

Hi, I am process engineer in PCBA factory.I have a question about gold plating on BGA.I want to know difference soldering performance between gold plating electrolytic and ENIG.Many thank for any idea.

ENIG or flash?

Electronics Forum | Mon Nov 27 21:29:57 EST 2006 | davef

Chemical gold is a poorly defined [very sloppy] term that means various thing to different people [as you've demonstrated]. Commonly it is either: * ENIG: 5�m Ni, 0.1�m Au * Immersion gold "Autocatalytic chemical gold plating" - Refers to "electrol

ENIG or Flash pcb

Electronics Forum | Wed Aug 19 03:24:49 EDT 2015 | pcbman

I ordered few times of prototyping gold plating > pcb from China. How to i differentiate they are > ENIG or Flash gold? Hi,Friend , this is very easy to distinguish the ENIG and gold plating pcb, you can stratch the solder mask off and see the co

Poor reflow over gold plating

Electronics Forum | Wed Jun 29 16:25:51 EDT 2005 | mattkehoe

When discussing this with the customer he said that his vendor recommended a hard gold plating finish on the board due to the BGA. I said "hard gold"??? And he said yes, hard gold. Turns out the boards were plated with hard gold, not ENIG. Thank

Gold plating thickness on gold finger

Electronics Forum | Thu Oct 07 20:34:48 EDT 1999 | Tony Huang

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, Tony

lead substrate materials

Electronics Forum | Tue Jan 29 09:19:56 EST 2002 | bob_smith

Can someone tell me what metal substrates are comonly used for component leads with gold plating? If the gold plating is missing, are any of the substates incompatible with 63/37 solder? Thanks.

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