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May 1998

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Subject:
From:
Bill Davis <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Fri, 29 May 1998 08:56:01 -0700
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Phil:
The only place I've heard of PTFE, PTA and like materials still being metallized is for the space program. I seem to remember that a year or two ago in NASA Tech Briefs there was an article which alluded to gold as the metallization in the PTFE. Hope this helps...

Dr. Bill

> -----Original Message-----
> From: Phil Hersey [SMTP:[log in to unmask]]
> Sent: Thursday, May 28, 1998 1:16 PM
> To:   [log in to unmask]
> Subject:      [TN] Metallized teflon film
> 
> I understand that prior to polyimide, vacuum metallized Teflon film was used for flex PCB's.>   Seems to me this would be an excellent RF board material in place of  PTFE panel material (at 2 mil thickness a 50ohm trace would be 6 mil wide).  Has it disappeared totally and if so, why?
>    
>    
> Phil Hersey
> [log in to unmask] <mailto:[log in to unmask]>
> (702) 884-5388x128 

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