Hi Ioan,

  
I'd say it's too much discoloration for a thin organic film on top of
Au. It looks like something else.Do you have appropriate planar SEM
taken from the areas? I wouldn't expect to see anything in
cross-section.
-- 
Best regards,

Vladimir Igoshev. PhD                          mailto:[log in to unmask]

SENTEC Testing Laboratory Inc.
11 Canadian Road, Unit 7.
Scarborough, ON M1R 5G1
Tel: (416) 899-1882
Fax: (905) 882-8812
www.sentec.ca


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