IPC-600-6012 Archives

January 2009

IPC-600-6012@IPC.ORG
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Subject:
Microvias
From:
Chris Mahanna <[log in to unmask]>
Reply To:
(Combined Forum of D-33a and 7-31a Subcommittees)
Date:
Wed, 14 Jan 2009 14:52:02 -0500
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Good afternoon everyone,

I have a customer request to ping this group for a possible redefine of microvia.  I know that we talked about in Vegas last year.  As I remember it, we decided that other items were more pressing, but there was not real objection to the idea.
At issue is wrap (of course) on your typical 8-10mil (entry side) ablated hole.

My suggestion is something like: aspect <1.0 and drill/ablation less than 8 mils deep.
Thoughts?

Thanks,
Chris


Chris Mahanna
Robisan Laboratory Inc.
6502 E 21st Street
Indianapolis, Indiana 46219
317.353.6249

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