发明名称 |
Front face erasable microcapsule magnetophoretic display sheet, erasing magnet and writing magnet |
摘要 |
Disclosed herein is a front face erasable microcapsule magnetophoretic display sheet having a support and a solid dispersion layer provided on one surface of the support and composed of microcapsules having an average particle diameter of 50 to 650 mu m, in which a liquid dispersion, a white pigment, additives and magnetic particles are encapsulated, and a binder. The magnetic particles include at least two kinds of magnetic particles different in particle diameter from each other. An erasing magnet for front face erasing and a writing magnet for front face erasable microcapsule magnetophoretic display sheet are also disclosed. <IMAGE> |
申请公布号 |
EP1326128(A2) |
申请公布日期 |
2003.07.09 |
申请号 |
EP20020258890 |
申请日期 |
2002.12.23 |
申请人 |
A-SON ENTERPRIZE INC.;TOCOM CORPORATION |
发明人 |
IWASAKI, TAKASHI;YASUHARA, TAKUYA;NONAKA, KENJI;IGAUE, SADATOSHI |
分类号 |
G02F1/17;B43L1/00;G02F1/09;G09F9/37;(IPC1-7):G02F1/09 |
主分类号 |
G02F1/17 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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