Electrophotography – Image formation – Fixing
Reexamination Certificate
2008-04-15
2008-04-15
Gray, David M. (Department: 2852)
Electrophotography
Image formation
Fixing
C430S124100
Reexamination Certificate
active
11169788
ABSTRACT:
A fixing member has a support and a surface layer, wherein the surface layer is a rubber mold-releasing layer containing a mixture of a fluorocarbon rubber and dimethyl silicone rubber, the rubber mold-releasing layer has an island-in-sea structure, the dimethyl silicone rubber stands as an island phase, the fluorocarbon rubber stands as a sea phase, the island phase is a dispersion phase and the sea phase is a continuous phase, an average particle diameter of the island phase in the sectional plane of the rubber mold-releasing layer is 20 μm or less and the combining proportion of the fluorocarbon rubber and the dimethyl silicone rubber falls within a range of 20:80 to 80:20 in terms of a volume proportion.
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Fitzpatrick ,Cella, Harper & Scinto
Gray David M.
Ready Bryan
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