| 发明名称 |
Magnetic tape |
| 摘要 |
A magnetic tape (1) characterized by having a backcoating layer (5) which comprises a binder and fine particles having been dispersed in the binder and being capable of irreversibly changing in color on oxidation reaction, and has a sufficient number of microvoids of sufficient size to supply sufficient oxygen to cause the oxidation reaction.
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| 申请公布号 |
US2004258961(A1) |
申请公布日期 |
2004.12.23 |
| 申请号 |
US20030686502 |
申请日期 |
2003.10.14 |
| 申请人 |
ISHIKAWA AKIRA;ISHII TAKASHI;KATASHIMA MITSUHIRO;HOSOYA MANABU;ONDA TOMOHIKO |
发明人 |
ISHIKAWA AKIRA;ISHII TAKASHI;KATASHIMA MITSUHIRO;HOSOYA MANABU;ONDA TOMOHIKO |
| 分类号 |
B32B5/16;G11B5/70;G11B5/735;(IPC1-7):G11B5/70 |
主分类号 |
B32B5/16 |
| 代理机构 |
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代理人 |
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| 主权项 |
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