Optical: systems and elements – Optical modulator – Light wave temporal modulation
Reexamination Certificate
2011-01-04
2011-01-04
Hasan, Mohammed (Department: 2873)
Optical: systems and elements
Optical modulator
Light wave temporal modulation
C345S107000
Reexamination Certificate
active
07864406
ABSTRACT:
The present invention provides display device particles that have positive or negative chargeability and have color and are produced using at least a calcium compound, in which a concentration of the calcium compound in the display device particle is 0.05% by weight or less in terms of a calcium element content, a process for producing the display device particles, as well as an image-display medium and an image-forming device each using the display device particles.
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Hiraoka Satoshi
Soyama Hidehiko
Yamamoto Yasuo
Fuji 'Xerox Co., Ltd.
Hasan Mohammed
Oliff & Berridg,e PLC
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