Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Process of making radiation-sensitive composition
Patent
1989-10-18
1990-09-04
Martin, Roland E.
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Process of making radiation-sensitive composition
430 90, 430 91, 430 92, 430 93, 430 95, 430901, G03G 509
Patent
active
049544136
ABSTRACT:
A method for making a photoconductive powder which comprises the steps of preparing fine particles of metal oxide or metal hydroxide by hydrolyzing a metal alkoxide or metal acetylacetonate; and immersing the fine particles into pigment containing suspensions to provide three types of composite particles. Each of the suspensions contains a respective pigment having a spectral absorption band within the wavelength region of a one of the primary colors of the additive principle. Each type of the resultant composite particles is composed of the fine particles of the metal oxide or metal hydroxide and the associated pigment as a principal component.
REFERENCES:
patent: 3121006 (1964-02-01), Middleton et al.
patent: 3238149 (1966-03-01), Spurr
patent: 3837850 (1974-09-01), Miyatuka
patent: 3907650 (1975-09-01), Pinsler
patent: 4542084 (1985-09-01), Watanabe et al.
"Selenium Coatings in the Thickness Range 0.2 to 2.5 Pv for Xerography", McNeil et al., Jour. Photo. Sci., vol. 7, 1959, pp. 26-32.
Derwent #80-54338C; Product of Electrochromic Oxide Material, e.g., for Displays--by Applying Metal Alkoxide to Base Sheet or Electrode and Decomposing Thermally or by Hydrolysing.
"Photoconductive Particles for One-Shot Color Electrophotographic Image Formation", by H. Watanaba et al., from Japan Display '86, pp. 568-571.
Nomura Kenji
Uchikawa Fusaoki
Martin Roland E.
Mitsubishi Denki & Kabushiki Kaisha
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