发明名称 |
Magnetic recording medium |
摘要 |
A magnetic recording medium is described, comprising a non-magnetic support having coated thereon on opposite surfaces a magnetic layer containing a magnetic substance and a binder-containing backing layer, wherein the magnetic layer has a light transmittance of 2% or more for light having a wavelength of 900 nm, the backing layer has a transmittance of from 1 to 10% for light having a wavelength of 900 nm, the magnetic recording medium as a whole has a transmittance of 1% or less for light having a wavelength of 900 nm, and the backing layer has a center line average roughness (Ra) of 0.05 mu m or less at a cut-off value of 0.08 mm.
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申请公布号 |
US4678697(A) |
申请公布日期 |
1987.07.07 |
申请号 |
US19850702550 |
申请日期 |
1985.02.19 |
申请人 |
FUJI PHOTO FILM CO., LTD. |
发明人 |
MIYOSHI, TAKAHITO;FUJIYAMA, MASAAKI;OKUTU, TOSHIMITU;MASUYAMA, KENICHI;NASU, NORIO |
分类号 |
G11B5/70;C09D5/23;C09D127/04;C09D127/06;C09D175/00;C09D175/04;G11B5/64;G11B5/66;G11B5/73;G11B5/735;(IPC1-7):G11B5/68 |
主分类号 |
G11B5/70 |
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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