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Re: Not shooting for anything gloriuous, but... (fwd)



In a message dated 4/17/99 3:06:26 AM Mountain Daylight Time, 
tesla-at-pupman-dot-com writes:

> 
>  Wouldn't it be possible to take a glass jar or LDPE plastic bottle, and
>  wrap it with multi-layers of say .003 mil or .006 mil poly on the
>  outside to increase the given capacitance AND help cut down the high
>  voltage breakthrough as well? Seems like this is a cheap and quick
>  solution to "glass cappers". The foil could then be tightly wrapped
>  around the poly layers in the traditional way.
>  
>  It seems an easy solution. In the same way multi-layers prevent
>  breakthrough with our rolled poly caps, they could do the same here.
>  
>  Anyone tried this before? Comments?

You will decrease the capacitance by making the dielectric layer thicker.  It 
may help in the voltage standoff capability, but putting the bottles in a 
series/parallel arrangement would probably do better.