Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Radiation-sensitive composition or product
Reexamination Certificate
2009-01-29
2011-10-04
Le, Hoa (Department: 1721)
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Radiation-sensitive composition or product
C430S056000, C430S069000, C430S075000, C430S076000, C430S077000, C430S078000
Reexamination Certificate
active
08029955
ABSTRACT:
Provide is an electrophotographic photoreceptor exhibiting excellent evenness of halftone images together with fine line reproduction, and an image forming method thereof, as to a photoreceptor in which an oxytitanium phthalocyanine pigment having a maximum diffraction peak at a Bragg angle (2θ±0.2°) of 27.2° in CuKα X-ray diffraction. Also disclosed is an electrophotographic photoreceptor possessing a body having cylindrical conductive support provided thereon photosensitive layer containing oxytitanium phthalocyanine pigment having maximum diffraction peak at a Bragg angle (2θ±0.2°) of 27.2° in CuKα X-ray diffraction, and flanges jointed at both ends of the body, wherein at least one of flanges is fitted with driving shaft having drive hole having at least 3 sides, and a ratio B/A of cross-sectional area B of engaging part of rotation shaft to rotate the electrophotographic photoreceptor with respect to cross-sectional area A of the drive hole is 0.890-0.998.
REFERENCES:
patent: 2001/0006755 (2001-07-01), Itami et al.
patent: 2004/0265016 (2004-12-01), Kitani et al.
patent: 2007-218403 (2007-08-01), None
patent: 2007-232794 (2007-09-01), None
Eto Yoshihiko
Itami Akihiko
Itou Kimiyuki
Oshiba Takeo
Sakai Eiichi
Buchanan & Ingersoll & Rooney PC
Konica Minolta Business Technologies Inc.
Le Hoa
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