Re: Double dielectric capacitors?

• To: tesla-at-pupman-dot-com
• Subject: Re: Double dielectric capacitors?
• From: Doug Brunner <dabrunner-at-earthlink-dot-net> (by way of Terry Fritz <terryf-at-verinet-dot-com>)
• Date: Fri, 09 Oct 1998 17:13:13 -0600
• Approved: terryf-at-verinet-dot-com

You don't want to remove air from it that way. Just put it in a reasonably
strong
PVC pipe and hook a vacuum pump to it for 20 min. or so, then fill it with oil
(without releasing the vacuum), and then run the pump for 20 min. more to help
with outgassing.

Tesla List wrote:

> Original Poster: Marco Denicolai <marco-at-vistacom.fi>
>
> To help to remove air from my rolled capacitor (to be built) I was
thinking to
> use paper and PE as dielectric. That is
>
> ---- Al
> ---- paper
> ---- PE
> ---- Al
> ---- paper
> ---- PE
>
> Now the difficult question: if I use as dielectric two materials together,
> say:
>
> - material A, thickness tA, dielectric constant kA, dielectrict strength vA
> - material B, thickness tB, dielectric constant kB, dielectrict strength vB
>
> what is going to be the resulting dielectric constant? And the dielectric
> strength?
>
> ________________________________________________________________________
>
>  Marco Denicolai                   Vista Communication Instruments, Inc.
>  Hardware Development Manager      www.vistacom.fi
>
>  marco-at-vistacom.fi                 Kaisaniemenkatu 13 A
>  fax:    +358-9-622-5610           SF-00100 HELSINKI
>  phone:  +358-9-622-623-15         Finland
>
>    Remember, Murphy was an optimist! I am not...
> ________________________________________________________________________



--
           --Mr. Postman (Doug Brunner)
                <dabrunner-at-earthlink-dot-net>

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