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May 2004

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Subject:
From:
Larry Russell <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Fri, 28 May 2004 10:57:23 +0800
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Hi Tom;

Assuming this is the legend ink, Taiyo PSR-4000 is used for ENIG finish here. The Enig goes on first, then the legend, else discoloration occurs.
Is the finish gold?

Larry Russell
Consultant
Chant World Int'l
[log in to unmask]
http://www.chantworld.com
Tel No.: +886 3 452 5279
Fax No.: +886 3 452 0988


-----Original Message-----
From: Tom Burek [mailto:[log in to unmask]]
Sent: Friday, May 28, 2004 7:02 AM
To: [log in to unmask]
Subject: [TN] Purple Solder Mask


Greetings Technetters,
I have a circuit board that specifies Taiyo PSR-4000 white.
Some of the boards have a distinct purple tint to them.

Has anyone seen this phenomenon before?
Do you have any ideas what could cause it?

Thank you in advance.

Tom Burek, CID+

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