Resistive sheet

[legg]

On Tue, 04 Jan 2005 08:52:57 GMT, Robert Baer
<robertbaer@earthlink.net> wrote:

Siemens-Matsushita FPC C302, C350, C351.

http://www.epcos.com/inf/80/db/fer_01/05590563.pdf

http://www.epcos.com/inf/80/db/fer_01/05610563.pdf

http://www.epcos.com/inf/80/ap/e0001000.htm

Other mfrs MMG, Tokin, TDK, Hitachi, TSC and NEC.

RL

Not flexible; brittle.
Also not usually available in sheets.

Please read the frigging spec sheets, on the links provided, before
commenting.

Polymer materials are available in sheets, rolls, or injection molding
pellets.

The problem with filled polymers is dimensional instability - hence
their use in pressure and humidity sensors and a restricted
environmental range - and problems using them as a heaters. When
deposited in thin fims on mechanically rigid formers, they have more
common applications.

The usual method of producing conductive/resistive polymer is to
carbon fill, but just try to locate a vendor of sheet stock with
resistivity lower than the typical ESD dissipative ranges......

RL

 

[Robert Baer]

legg wrote:

On Tue, 04 Jan 2005 08:52:57 GMT, Robert Baer
robertbaer@earthlink.net> wrote:

Siemens-Matsushita FPC C302, C350, C351.

http://www.epcos.com/inf/80/db/fer_01/05590563.pdf

http://www.epcos.com/inf/80/db/fer_01/05610563.pdf

http://www.epcos.com/inf/80/ap/e0001000.htm

Other mfrs MMG, Tokin, TDK, Hitachi, TSC and NEC.

RL

Not flexible; brittle.
Also not usually available in sheets.

Please read the frigging spec sheets, on the links provided, before
commenting.

Polymer materials are available in sheets, rolls, or injection molding
pellets.

The problem with filled polymers is dimensional instability - hence
their use in pressure and humidity sensors and a restricted
environmental range - and problems using them as a heaters. When
deposited in thin fims on mechanically rigid formers, they have more
common applications.

The usual method of producing conductive/resistive polymer is to
carbon fill, but just try to locate a vendor of sheet stock with
resistivity lower than the typical ESD dissipative ranges......

RL

In that case, try the conductive anti-static foam sheets (24 inch by
12 inch by 0.25 thick) that Jameco carries; part 13864 for $9.29 ea or
$8.35 each @ 5. They roll it up for shipping.
Measured resistance across diagonal with probes close to the corners,
is about 8K.