If you need etchback to be done:

"Note #: All plated holes shall exhibit Etchback in accordance with
IPC-6012."

The paragraph is 3.6.2.5 but I would leave it out in case it moves in a
version change.

Jeffrey Bush
Director, Quality Assurance and Technical Support

VERMONT CIRCUITS INCORPORATED
  76 Technology Drive - POB 1890
    Brattleboro, Vermont 05302
      Voice: 802.257.4571.21 Fax: 802.257.0011
           http://www.vtcircuits.com
 

-----Original Message-----
From: Finks, Tim (Healdsburg) [mailto:[log in to unmask]] 
Sent: Wednesday, December 22, 2004 2:57 PM
To: [log in to unmask]
Subject: [TN] Standard Specification for Etchback in PTH

Can anyone suggest text for an etchback requirement to our board
manufacturer?

I believe this subject is covered in an IPC Publication, but I do not
have
access to IPC documents.

Regards,

Tim Finks

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