Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Reexamination Certificate
2006-12-19
2006-12-19
Dote, Janis L. (Department: 1756)
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Post imaging process, finishing, or perfecting composition...
C430S109400, C430S111400
Reexamination Certificate
active
07150954
ABSTRACT:
An image forming method, comprising passing a toner image-bearing sheet through a nip defined between two rollers including a heater roller to fix the toner image on the sheet, wherein the toner image is formed from a toner comprising a binder resin, and a colorant, wherein the toner image before the passage through the nip has a toner volume V1and a toner image area S1, wherein the toner image after the passage through the nip has a toner volume V2and a toner image area S2, and wherein a volume change Vt and an area change St defined by the formulas shown below are 30% or less and 20% or less, respectively:in-line-formulae description="In-line Formulae" end="lead"?Vt(%)=(V1−V2)/V1×100in-line-formulae description="In-line Formulae" end="tail"?in-line-formulae description="In-line Formulae" end="lead"?St(%)=(S2−S1)/S1×100.in-line-formulae description="In-line Formulae" end="tail"?Alternatively, the toner image before the passage through the nip has a surface roughness of 2.5 μm or less.
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Aoki Mitsuo
Hasegawa Kumi
Higaya Toshiaki
Kasai Tadashi
Koichi Yasushi
Dote Janis L.
Ricoh & Company, Ltd.
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