Image forming apparatus with electrostatic charger

Details Image forming apparatus with electrostatic charger Image forming apparatus with electrostatic charger

2006-03-21

2006-03-21

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

C399S159000, C399S111000

Reexamination Certificate

active

07014967

ABSTRACT:
An image forming apparatus contains a photoconductor having a support and a photoconductive layer disposed thereon. I(S) at the surface of the photoconductor and I(S) at the interface of the photoconductive layer on the support side are 5.0×10−3or less and the sum of I(S)s is 3.0×10−3or more. I(S)s are determined according to following Equations 2 and 3 after subjecting a group of data of N samples of height×(t) [μm] of a profile curve at the surface or of one at the interface to discrete Fourier transform according to following Equation 1, the N samples being taken at intervals of Δt [μm] in a reference line directionX⁡(nN·Δ⁢⁢t)=∑m=0N-1⁢x⁡(m·Δ⁢⁢t)⁢exp⁡(-ⅈ2⁢⁢π·nN·Δ⁢⁢t·m·Δ⁢⁢t)Equation⁢⁢1wherein n and m are each an integer; N is 2ρ, where ρ is an integerS⁡(nN·Δ⁢⁢t)=1N·X⁡(nN·Δ⁢⁢t)2Equation⁢⁢2I⁡(S)=(1N)⁢∑n=0N-1⁢{S⁡(nN·Δ⁢⁢t)}.Equation⁢⁢3

REFERENCES:
patent: 6534227 (2003-03-01), Kabata et al.
patent: 6641964 (2003-11-01), Ikuno et al.
patent: 6649313 (2003-11-01), Kabata et al.
patent: 6699631 (2004-03-01), Miyamoto et al.
patent: 6844124 (2005-01-01), Ikuno et al.

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