Eric,
Check out IPC-4101.
Dan
----- Original Message ----- 
From: "ekalgren" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Friday, October 26, 2007 3:02 PM
Subject: [TN] PCB Material Question


> This one should be easy enough for Friday.
>
>
>
> I've got a drawing calling out the following material:
>
>
>
> GE062 C2/C2 1A per MIL-P-13949
>
>
>
> I've worked it out so far to be Type GE 0.0620 thick (they left out a 0),
> with 2 oz copper on each side.
>
>
>
> I can't figure out the 1A.  I think it should be A1 for pits/dents class
A,
> and class 1 for thickness tolerance.
>
>
>
> Does this sound right?  Also, has anything replaced Mil-P-13949?  Is type
GE
> material commonly available?
>
>
>
> Thanks!
>
>
>
> Eric Kalgren
>
> Electrical Engineer
>
> Cobham Defense Electronic Systems
> Continental Microwave Division
> 11 Continental Drive
> Exeter, NH  03833  USA
> Tel:  603-775-5200
> Fax: 603-775-5201
> E-mail:[log in to unmask]
> Website:   <http://www.cobhamdes.com/> http://www.cobhamdes.com
>
>  <mailto:[log in to unmask]>
>
>
>
>
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