Electrographic recording medium with conductive layer containing

Details Electrographic recording medium with conductive layer containing Electrographic recording medium with conductive layer containing

1979-07-05

1981-06-23

Robinson, Ellis P.

Stock material or miscellaneous articles

Structurally defined web or sheet

Continuous and nonuniform or irregular surface on layer or...

428142, 428144, 428403, 428411, 428537, 428913, 428697, 430 67, B32B 300, B32B 2106

Patent

active

042751039

ABSTRACT:
An electrographic recording medium comprising a conductive layer coated on a support such as of paper and overcoated with a dielectric layer. The conductive layer contains fine particles of an n-type metal oxide semiconductor, preferably a whitish or lightly colored one such as SnO.sub.2, In.sub.2 O.sub.3 or ZnO, dispersed in a binder which may be either a nonconductive polymer or a polyelectrolyte. This recording medium is excellent in recording characteristics and particularly advantageous in its usefullness over a wide humidity range containing very low relative humidities.

REFERENCES:
patent: 3479215 (1969-11-01), Cavagna
patent: 3640766 (1972-02-01), Jursich
patent: 3823034 (1974-07-01), Higaki
patent: 3956571 (1976-05-01), Takao
patent: 3969283 (1976-07-01), Timmerman
patent: 3991256 (1976-11-01), Cornier
patent: 3998987 (1976-12-01), Kirigaya
patent: 4024311 (1977-05-01), MacDonald
patent: 4139675 (1979-02-01), Nagai
patent: 4173677 (1979-11-01), Nakano

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