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From: crs@lanl.ARPA
Newsgroups: net.analog
Subject: One Farad Capacitors
Message-ID: <24704@lanl.ARPA>
Date: Thu, 18-Apr-85 15:38:16 EST
Article-I.D.: lanl.24704
Posted: Thu Apr 18 15:38:16 1985
Date-Received: Sat, 20-Apr-85 06:29:51 EST
Sender: newsreader@lanl.ARPA
Distribution: net
Organization: Los Alamos National Laboratory
Lines: 41

A while ago there was considerable discussion in this news group
about One Farad capacitors and use of capacitors in place a of
batteries, etc.

Yesterday I received some literature from Sohio Engineered Materials
Co. that may interest some of you.  I excerpt (without permission) from
the letter and the brochure:

"The enclosed brochure describes Sohio's Maxcap(TM) Double Layer
Capacitor (DLC) - the new rechargeable energy storage device that
never needs to be replaced."
.
.
.
"Maxcap DLCs are ideal for providing backup power for low current CMOS
RAMs..."
.
.
.
"Available at 5 volts and in capacitance values from 0.01 to 1.0
farad..."
.
.
.
"For more information, ... call 716-278-3954."

I have no affiliation with Sohio -- I merely pass on the information
since there was considerable discussion about One Farad Capacitors
here some time ago.

According to the brochure a 1 farad unit is 1.1 inch in diameter and
0.55 inches high.

Because the device *is* a capacitor it will naturally have the
exponential discharge curve with time and so is suitable for
applications that don't require a constant voltage over time.


Charlie Sorsby
...!{cmcl2,ihnp4,...}!lanl!crs
crs@lanl.arpa