If you are concerned with the soldermask sulfur affecting an IAg finish, there is no concern. The amount of sulfur is typically too low, and being bound, does not affect the finish.

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Vladimir Igoshev
Sent: Tuesday, May 07, 2013 7:55 AM
To: [log in to unmask]
Subject: Re: [TN] Solder mask contain low levels of sulfur

From what I know the answer is "Yes"
Regards,

Vladimir

SENTEC Testing Laboratory Inc.
11 Canadian Road, Unit 7.
Scarborough, ON M1R 5G1
Tel: (647) 495-8727
Cell: (416) 899-1882
www.sentec.ca

-----Original Message-----
From: Victor Hernandez <[log in to unmask]>
Sender: TechNet <[log in to unmask]>
Date: Tue, 7 May 2013 07:46:23
To: <[log in to unmask]>
Reply-To: TechNet E-Mail Forum <[log in to unmask]>,
        <[log in to unmask]>
Subject: [TN] Solder mask contain low levels of sulfur

Fellow TechNetters:

   We are doing some preliminary investigation of solder mask and have found out that it contains low levels of sulfur.   Not sure what sulfur constituents.   Is This a typical finding of sulfur?

Victor,

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