hi,

i think you need to do a sanity check on the data at this site.  for
example, they state that the thickness of 1/4 oz/ft2 copper is 3 mils.  this
is a typo.  the thickness of course is about 0.3 mils.  the guideline on a
lot of data you get on the internet is 'caveat emptor'.  i heard once heard
it said that there is a lot of information on the internet, but knowledge is
not guaranteed.

phil crepeau

-----Original Message-----
From: Stephen R. Gregory [mailto:[log in to unmask]]
Sent: Monday, November 22, 1999 4:44 PM
To: [log in to unmask]
Subject: Re: [TN] Looking for list of prepreg and core thickness for
FR-4


In a message dated 11/22/99 3:54:13 PM Central Standard Time,
[log in to unmask] writes:

> I am looking for a list of standard thicknesses for FR-4 prepreg and cores
>
>  Can anyone help?
>  Barbara Burcham @ Fairfield
>  Houston

Hi Barbara!

Merix has a pretty decent page about FR-4 prepreg properties at:

http://www.merix.com/main_res.html

Click on DFM in the column at the left of the page when it opens...

Hope this helps...

-Steve Gregory-

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