Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Radiation-sensitive composition or product
Reexamination Certificate
2005-01-18
2005-01-18
Chapman, Mark A. (Department: 1756)
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Radiation-sensitive composition or product
C252S364000, C524S543000
Reexamination Certificate
active
06844124
ABSTRACT:
An electrophotographic photoreceptor including an electroconductive substrate; a photosensitive layer located overlying the electroconductive substrate and including a resin; and a surface layer including a filler and a binder resin, wherein the surface layer and the photosensitive layer have a continuous structure, and wherein the surface layer satisfies the following relationship: σ≦D/5, wherein D represents an average of maximum thicknesses of the surface layer in units of micrometers in 20 segments of 5 μm wide when a portion of a cross section of the photoreceptor of 100 μm wide is divided into the 20 segments, and σ represents a standard deviation of the 20 maximum thicknesses.
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Ikuno Hiroshi
Kami Hidetoshi
Kitajima Ryohichi
Kojima Narihito
Kurimoto Eiji
Chapman Mark A.
Ricoh Company Limited
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