I know that sulfur hexafluoride has a high breakdown, but I don't know about
the permitivity.  You may want to check this gas out.  It is used in RF
plasma systems for etching silicon.


-----Original Message-----
From: Hans Doggen 
To: MEMS@ISI.EDU 
Date: Monday, March 16, 1998 10:33 PM
Subject: information


>Dear madam, sir,
>
>We are three engineering students from Antwerp (Belgium) at the "Karel
>de Grote Hogeschool", department industrial sciences and technologies.
>This is our second year and we have a project for electronics and
>electricity.
>
>For this project we have to make an electronic nose (a device that can
>detect a gas or fragrance). We are trying to gather as much of
>information as possible. Therefor we are looking for informations
>about organic / inorganic gasses with large relative permittivity and
>large breakdown voltage.
>
>We would like to thank you in advance and hoping for an early reply,
>we remain
>
>yours faithfully,
>
>Hans Doggen
>Raf Delaedt
>Patrick Durant
>
>
>
>
>
>_________________________________________________________
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>
>