Thermal developing apparatus

Details Thermal developing apparatus Thermal developing apparatus

1985-11-08

1987-05-12

Goldberg, E. A.

Electric heating

Heating devices

Combined with diverse-type art device

219388, 355 14FU, G03G 1506

Patent

active

046653031

ABSTRACT:
A thermal developing apparatus develops thermally a photosensitive material having an electrically conductive, heat-generating layer. The apparatus is provided with a heat-insulating cover which is disposed in contact with or close to the surface of the photosensitive material when supplied with electric current, whereby the generation of convection of air at the upper side of the photosenstive material is prevented, and the occurrence of uneven development is eliminated. When the heat-insulating cover is disposed at a distance away from the surface of the photosensitive material, if this distance is less than a predetermined value, no convection of air takes place and, hence, there is no risk of uneven development occurring.

REFERENCES:
patent: 3311040 (1967-03-01), Ishikawa
patent: 3449547 (1969-06-01), Goodman
patent: 3478665 (1969-11-01), Umahashi
patent: 3902041 (1975-08-01), May
patent: 3980863 (1976-09-01), Wulz
patent: 3989926 (1976-11-01), Yoshizawa
patent: 4146777 (1979-03-01), Wells
patent: 4193078 (1980-03-01), Esposito
patent: 4317026 (1982-02-01), Koblo
patent: 4367037 (1983-01-01), Nishikawa
patent: 4548772 (1985-10-01), Kawamata

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