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September 2003

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Subject:
FR-4
From:
Ezequiel Cruz <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Wed, 10 Sep 2003 10:37:33 -0500
Content-Type:
text/plain
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text/plain (18 lines) 
Can anyone tell me what the FR-4 acronym stands for?
I know what the material is per IPC 4101, but what does the FR and the
number 4 stand for?

Thanks techies.

Ezequiel

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