Electrical resistors – Flexible or folding – Tape or sheet
Patent
1975-08-01
1978-02-14
Mayewsky, Volodymyr Y.
Electrical resistors
Flexible or folding
Tape or sheet
219528, 219549, 219553, 264105, H01C 306
Patent
active
040742229
ABSTRACT:
A planar heating element having a thin flat body formed from an insulating thermoplastic resin and electrically conductive powder. The electrically conductive powder is formed in a layer within the thermoplastic resin in the neighborhood of the entire surface of the body. Lead wires within the flat body being positioned near the surface of the body such that the lead wires are electrically connected to said layer of electrically conductive powder. The planar heating element being produced by a method comprising melt-admixing an insulating thermoplastic resin with an electrically conductive powder. The mixture is then extruded, and the extruded body is rapidly cooled.
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Kiyokawa Shin
Sakaguchi Shokichi
Takeuchi Toru
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