Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Radiation-sensitive composition or product
Reexamination Certificate
2007-09-18
2007-09-18
Goodrow, John L (Department: 1756)
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Radiation-sensitive composition or product
C430S058700, C430S066000, C430S132000
Reexamination Certificate
active
10803256
ABSTRACT:
A photoreceptor including an electroconductive substrate, a photosensitive layer located overlying the substrate, and a protective layer overlying the photosensitive layer, wherein the photoreceptor has a property such that when the photoreceptor is charged so as to have a potential of −700 V and then exposed to light with exposure of 0.4 μJ/cm2, the potential (PL) of a lighted portion of the photoreceptor decreases at a rate not greater than 700 V/sec during a time period of from a time 35 msec after the exposure to the transition time of the photoreceptor. An image forming apparatus and a process cartridge including the photoreceptor are also provided.
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Goodrow John L
Ricoh Company Limited
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