Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Process of making radiation-sensitive product
Patent
1989-03-14
1991-01-22
Welsh, David
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Process of making radiation-sensitive product
29132, G03G 1500, G03C 174
Patent
active
049870467
ABSTRACT:
An electrophotographic photoconductor is formed of a metallic base drum and a photoconductive layer formed thereon. The base drum is an electroseamed tube prepared by high-frequency welding of a tubular metallic plate or strip. The electroseamed tube may be subjected to extruding or drawing, straightness improving by use of correcting rollers, or machining, grinding, abrasion finish, electro-polishing or anodizing for treatment of its surface.
REFERENCES:
patent: 3037105 (1962-05-01), Kohler
Kaneko Yoshikazu
Kutami Atsushi
Ricoh & Company, Ltd.
Welsh David
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