I material is Kovar ASTM F15 not Invar.

 -----Original Message-----
From:   Ed Shea [mailto:[log in to unmask]]
Sent:   Tuesday, September 12, 2000 1:22 PM
To:     'TechNet'
Subject:        Machining Invar

We have an application where we are machining Invar. I understand that this
material has been used in PCBs and holes machined through the material.
Where can find a definitive machining guide for this material. Any
suggestions are appreciated in advance.

Edward G. Shea
909-981-1810
Test Connections Inc.
1146 West Ninth Street
Upland CA. 91786-5728
WWW.tciinfo.com

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