You are correct. Carbonization. I just finished phenol treatment after a
plasma etch, and I am very tired, having been at GD since 5 a.m. and now
here at Analog since 5 pm.
Thank you for the correction.
R. Dean Stadem

-----Original Message-----
From: Tom Stearns [mailto:[log in to unmask]] 
Sent: Tuesday, June 04, 2013 7:34 PM
To: [log in to unmask]
Subject: Re: [DC] Exposed edge copper - internal planes

Good  analysis of an unsuspectedfailure mode, Dean.

I think you mean "carbonization"---reduction of the polymer to carbon
particles and other debris.

T H Stearns
3 Brander Court
Nashua, NH 03063 




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