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Date: | Thu, 29 Apr 2010 15:03:35 -0400 |
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Ian
You are describing a process that many in China refer to as "flash gold". The gold is electroplated and used as a solderability preservative and an etch resist. Several years age Urmi Ray presented a paper on this coating at IPC Expo.
Best regards
Lee
J. L. Parker Ph. D.
JLP Consultants LLC
804 779 3389
----- Original Message -----
From: Ian Hanna<mailto:[log in to unmask]>
To: [log in to unmask]<mailto:[log in to unmask]>
Sent: Thursday, April 29, 2010 11:32 AM
Subject: Re: [TN] Gilded PCB
I've seen some offshore product that uses a gold overplate as a
combination etch-resist & final finish. It is lower-cost than ENIG and
leaves the conductor side-walls exposed copper. Perhaps this is the
process? Ian
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Steve Gregory
Sent: Thursday, April 29, 2010 11:19 AM
To: [log in to unmask]<mailto:[log in to unmask]>
Subject: Re: [TN] Gilded PCB
Hi Cedric,
I think it's from the Chinese translating "gold plated" into English.
Pretty
generic description if you ask me...
Steve
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Cedric ORAIN
Sent: Thursday, April 29, 2010 11:04 AM
To: [log in to unmask]<mailto:[log in to unmask]>
Subject: [TN] Gilded PCB
Hello all,
I've just heard about "Gilded PCB" for the first time. What exactly
"Gilded"
stands for? Just a common ENIG finition? Or something more precise?
Thank you for your help.
Cedric
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