Apparatus for preparing electrophotographic photosensitive membe

Details Apparatus for preparing electrophotographic photosensitive membe Apparatus for preparing electrophotographic photosensitive membe

1989-11-13

1990-12-04

Jenkins, Robert W.

Agitating

Having specified feed means

Responsive to condition sensor

118665, B01F 1504

Patent

active

049749641

ABSTRACT:
An apparatus for preparing electrophotographic photosensitive members comprises a means for forming a charge generation layer by coating a charge generation layer coating solution containing two or more kinds of charge-generating materials having different maximum absorption wavelengths, wherein the apparatus further comprises a means for measuring absorbance or transmittance at the respective maximum absorption wavelengths of said coating solution to measure the mixing ratio of the respective charge-generating materials, and a means for controlling the mixing ratio by controlling the feed amount of the respective charge-generating materials.

REFERENCES:
patent: 4146325 (1979-03-01), Lange
patent: 4506626 (1985-03-01), Schurman
patent: 4724795 (1988-02-01), Levine
patent: 4792078 (1988-12-01), Takahashi
patent: 4832499 (1989-05-01), Florentini

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