PE-rolled cap construction

To: tesla-at-pupman-dot-com
Subject: PE-rolled cap construction
From: Chris Tominkson <internetinbox-at-yahoo-dot-com> (by way of Terry Fritz <twf-at-verinet-dot-com>)
Date: Thu, 18 Mar 1999 17:36:01 -0700
Approved: twf-at-verinet-dot-com

Right now I am making rolled Aluminum Flashing / Polyethelyne
capacitorsand I just made a mistake: I cut the flashing but I forgot
to cut out a tab for the electrical connection. Can anyone think of a
good way to still make the connection without using any sharp objects
or taking away from the total area?

Also, when I was calculating the size of the plates for the cap. I
thought of this: Using the right size material so that if there are
any or minor errors in construction that decrease/increase
capacitance, they will not change the capacitance more than several
100th's.

Like on mine, the dielectric of the polyethelyne could be 2.0 (instead
of 2.3) and I would still have a .005 uF valued cap., you could vary
all the measurements significally and still have a the same value cap.
Well just an idea I had.

Chris.




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