| 发明名称 |
Magnetic recording medium |
| 摘要 |
A magnetic recording media, e.g. VTR tape is improved by providing an undercoating layer on a polyester film substrate, the undercoating layer being formed under a ferromagnetic thin film and being an even-scattering of a large number of inorganic or organic granules distributed at a rate of 1000/mm2 or more.
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| 申请公布号 |
US4540618(A) |
申请公布日期 |
1985.09.10 |
| 申请号 |
US19830521075 |
申请日期 |
1983.08.08 |
| 申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
发明人 |
SUZUKI, TAKASHI;HIBINO, KUNIO;MURAI, MIKIO;KAWASE, SHIGEKI;SHINOHARA, KOICHI |
| 分类号 |
G11B5/64;G11B5/72;(IPC1-7):B32B3/00 |
主分类号 |
G11B5/64 |
| 代理机构 |
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