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Re: More on breakdown in thin films



>>From EDHARRIS-at-MPS.OHIO-STATE.EDU Mon Apr 10 15:16 MDT 1995
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15:08:17 -0600
>Date: Sun, 09 Apr 1995 23:04:28 -0400 (EDT)
>From: EDHARRIS-at-MPS.OHIO-STATE.EDU
>Subject: More on breakdown in thin films
>To: tesla-at-grendel.objinc-dot-com
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>Just another little tidbit.
>
>	I found some information on the breakdown voltages of sputtered 
>thin films of SiO2 (Quartz) used in the semiconductor industry. THey easily 
>get 10,000 volts/mil (YES, that's TEN_THOUSAND!!!) for thicknesses of 
>around a micron. That's 10 times the "bulk" breakdown for almost anything.
>
>	Also, with diminished thickness, they seem not to have so many 
>problems with the frequency dependence of the breakdown. The FET's in your 
>100Mhz Pentium withstand huge breakdown fields at dc-100Mhz.
>
>	I want to make a test cap made from series stacks of thin film caps 
>to see if this has any real potential, but I don't have a coil to test it 
>on. Anybody know of somebody with a coil in central Ohio or Kentucky?
>
>
>-Ed
>
>
COSI had one at one time. (10 years ago?) I have not been that way since then.
Might be worth a try.
Chris.....