Phthalocyanine mixed crystal, production method thereof,and elec

Details Phthalocyanine mixed crystal, production method thereof,and elec Phthalocyanine mixed crystal, production method thereof,and elec

1995-06-20

1997-01-21

Goodrow, John

Radiation imagery chemistry: process, composition, or product th

Electric or magnetic imagery, e.g., xerography,...

Radiation-sensitive composition or product

430 78, G03G 506

Patent

active

055958460

ABSTRACT:
The electrophotgraphic photoreceptor is composed of an electrically conductive substrate having formed thereon a photosensitive layer containing a phthalocyanine mixed crystal comprising titanyl phthalocyanine and hydrogen phthalocyanine, wherein the phthalocyanine mixed crystal has peaks at 6.8.degree., 7.4.degree., 15.0.degree., 24.7.degree., 26.2.degree., and 27.2.degree. of the Bragg angle (2 .theta..+-.0.2.degree.) in the X-ray diffraction spectrum and having a ratio of the peak intensity at 27.2.degree. to the peak intensity at 6.8.degree. of 1 or more. The electrophotographic photoreceptor can output the output signals as digital signals even when the input light is a digital light or an analog light and thus the electrophotographic photoreceptor can be used for an electrophotograph of a digital recording system and even when the photorecetor is used as a conventional photoreceptor for PPC (analog light input), high-quality images having sharp edges can be obtained.

REFERENCES:
patent: 4981767 (1991-01-01), Tokura et al.
patent: 5153313 (1992-10-01), Kazmaier et al.
patent: 5336578 (1994-08-01), Nokada
patent: 5354635 (1994-10-01), Itami et al.

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