Tom -

IPC-4101 covers just about all of the popular laminates, including several
varieties of FR-4.  It is available thru IPC - check the web site
>http://www.ipc.org< for availability.

Regards - Kelly
-----Original Message-----
From: Cates, Thomas <[log in to unmask]>
To: [log in to unmask] <[log in to unmask]>
Date: Wednesday, March 15, 2000 4:54 PM
Subject: [DC] Broard mat'l standards


>Hi -
>I'm a PWB designer and I need to convince some engineers I work with that
we
>do not need to specify brand names of the FR-4 board material. They feel
>that since they tested the physical properties of a certain brand of FR-4
>that we need to call that brand out in the FAB drawing note. In one case
the
>company is no longer in business. I maintain that we will be safe and more
>flexible if we call out "Epoxy-Glass Laminate FR-4..." Is FR-4 made to some
>industry standard? If so how can I get a copy of this standard so I can
>prove my point once and for all?
>-thanks
>Thomas Cates
>Intermec - Amtech Systems Division