Re: ? polyester drafting film as dielectric

• To: tesla-at-pupman-dot-com
• Subject: Re: ? polyester drafting film as dielectric
• From: Mark Finnis <mefinnis-at-medicine.adelaide.edu.au> (by way of Terry Fritz <twftesla-at-uswest-dot-net>)
• Date: Fri, 22 Oct 1999 19:59:40 -0600
• Approved: twftesla-at-uswest-dot-net
• Delivered-To: fixup-tesla-at-pupman-dot-com-at-fixme

At 02:39 22/10/99 -0600, you wrote:

>Original Poster: "Steve Cook" <Steve-at-g8cyerichmond.freeserve.co.uk>
>
>I have recently come across some brand new 75micron polyester drafting film.
>Would this be any good as a dielectric, if so has anyone got any values
>(dielectric constant, puncture voltage etc)?

No good .... alas !

I have a ready supply of overhead transparencies ..... perfectly cut for a 
plate cap ..... but the dielectric is polyester and useless for RF.

Cheers

Mark


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