发明名称 |
Leader or trailer for a magnetic tape |
摘要 |
This invention relates to a leader or trailer for a magnetic tape, which comprises a plastic support member, a coated layer consisting essentially of a pigment and binder on the surface of the plastic support and a lubricant layer on the back side of the plastic support, the pigment consisting of a mixture of at least two solid powders each having a mean grain size of (A) 0.002 to 3 microns and (B) 5 to 35 microns and the lubricant layer being coated in a proportion of at least 0.1 mg/m2.
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申请公布号 |
US4146031(A) |
申请公布日期 |
1979.03.27 |
申请号 |
US19770816183 |
申请日期 |
1977.07.15 |
申请人 |
FUJI PHOTO FILM CO., LTD. |
发明人 |
FUJIYAMA, MASAAKI;UTUMI, MASAHIRO |
分类号 |
G11B5/627;G11B5/725;G11B5/78;G11B23/26;(IPC1-7):G11B5/78;B32B5/16 |
主分类号 |
G11B5/627 |
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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