Laser marking.
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----- Original Message -----
From: TechNet <[log in to unmask]>
To: [log in to unmask] <[log in to unmask]>
Sent: Thu Jul 17 10:35:27 2008
Subject: [TN] Indelible marking

Dear Technos,

 

I need to serialize about 200 BGAs (simply write on them sequential
numbers 1-200). The BGAs will be assembled, SnPb process with water
soluble flux, then washed in plain water in our in-line washer.

 

In case the customer will not accept us scratching the numbers onto the
top of the components, what kind of permanent ink can I use?

 

And would you see any issue with scratching the top of the components?

 

Thanks,

 

Ioan


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