Electrophotography – Image formation – Fixing
Reexamination Certificate
2011-08-02
2011-08-02
Gray, David (Department: 2852)
Electrophotography
Image formation
Fixing
C430S124320, C430S124330, C430S124350, C430S124370, C430S124380
Reexamination Certificate
active
07991341
ABSTRACT:
An electrophotographic fixing member is provided, which is excellent in toner releasability and hard to change in rubber elasticity of a silicone rubber elastic layer. The fixing member is laminated with a substrate, a cured silicone rubber layer, a cured silicone rubber adhesive layer and a fluorine resin layer, wherein when infrared light absorption strength ratios (1020 cm−1/1260 cm−1) at 1020 cm−1and 1260 cm−1determined by sampling the portions of 5 μm and 20 μm from the outer surface of the cured silicone rubber layer are taken as α(5) and α(20), respectively, a relationship of α(5) and α(20) satisfiesin-line-formulae description="In-line Formulae" end="lead"?1.03≦α(5)/α(20)≦1.30in-line-formulae description="In-line Formulae" end="tail"?and α(20) is 0.8 or more and 1.2 or less.
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Kishino Kazuo
Matsunaka Katsuhisa
Takahashi Masaaki
Canon Kabushiki Kaisha
Evans Geoffrey
Fitzpatrick ,Cella, Harper & Scinto
Gray David
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