IPC 4101 is the material spec

Tom Garman
PCB Designer
330-575-1636
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-----Original Message-----
From: DesignerCouncil [mailto:[log in to unmask]] On
Behalf Of Tom Parkinson - Quality System Manager - WinTronics, Inc.
Sent: Wednesday, June 11, 2003 9:46 AM
To: [log in to unmask]
Subject: [DC] Board Spec

Hello Tech Netters

We have a customer spec for a board that says: GFN0620

I know it's FR4 (GF=Glass Fiber) and the thickness is .062 (0620)
But, what does the "N" designate?

As a side note, what IPC Spec covers these definitions? (not in 600 or
6012)

Thanks

Tom

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