发明授权
US07616373B2 Display device particles, process for producing the same, image-display medium, and image-forming device
失效
显示装置颗粒，其制造方法，图像显示介质和图像形成装置
- 专利标题： Display device particles, process for producing the same, image-display medium, and image-forming device
- 专利标题（中）： 显示装置颗粒，其制造方法，图像显示介质和图像形成装置
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申请号： US10863390申请日： 2004-06-09
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公开(公告)号： US07616373B2公开(公告)日： 2009-11-10
- 发明人: Hidehiko Soyama , Satoshi Hiraoka , Yasuo Yamamoto
- 申请人： Hidehiko Soyama , Satoshi Hiraoka , Yasuo Yamamoto
- 申请人地址： JP Tokyo
- 专利权人： Fuji Xerox Co., Ltd.
- 当前专利权人： Fuji Xerox Co., Ltd.
- 当前专利权人地址： JP Tokyo
- 代理机构： Oliff & Berridge, PLC
- 优先权： JP2003-343408 20031001
- 主分类号： G02B26/00
- IPC分类号： G02B26/00 ; G09G3/34
摘要：
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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