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US 4,072,522 AGranted
Method of treating photoconductive zinc oxide
AssigneeXerox Corporation
InventorHajime Miyatuka
Life of this patent
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Abstract
Electronic-photography light-sensitive material provided with a light-sensitive material layer suitable for rendering of continuous gradation of tones.
Claims5
A method of treating photosensitive zinc oxide to enhance its suitability for obtaining improved continous tone imaging and liquid development, comprising dispersing photosensitive zinc oxide particles uniformly in a distribution promoting liquid agent containing at least one of chloric acid, nitric acid, acetic acid, oxalic acid or formic acid applied in a concentration of about 10.sup.-4 to 10.sup.-6 mole of acid per gram of zinc oxide;
- and heat treating the uniformly dispersed and dried material in a temperature range of about 400.degree. C. up to 700.degree. C.
Dependencies are inferred from the claim text.