White tin is the general term to describe the newer immersion tins such as
Dexcoat FST. They are used as a final surface finish from the board
fabricator.

Matte tin is an etch resist electrically plated on the board after copper
plate. Bright tin is also used for etch resist.






"Howieson, Rick" <[log in to unmask]> on 12/14/99 12:13:59 PM

Please respond to "TechNet E-Mail Forum." <[log in to unmask]>; Please respond
      to "Howieson, Rick" <[log in to unmask]>

To:   [log in to unmask]
cc:    (bcc: Jim B Kenny/Electronic/Dexter)
Subject:  [TN] Tin




Hello All,
Can anyone tell me if there is a difference between white tin and matte
tin and if so, what?
Thank You In Advance,
Rick Howieson
GTC
www.gt-corp.com

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