发明名称 |
Magnetic recording tape |
摘要 |
A magnetic recording tape comprising a polyethylene terephthalate substrate and a magnetic material-containing layer closely adhered onto the substrate, which tape exhibits a reduced envelope variation. The polyethylene terephthalate substrate satisfies the formula: 0.051H1-0.59A+0.14 DELTA n+0.0015 (H2-66.67)2+50.
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申请公布号 |
US4304807(A) |
申请公布日期 |
1981.12.08 |
申请号 |
US19790049985 |
申请日期 |
1979.06.19 |
申请人 |
TDK ELECTRONICS CO. LTD. |
发明人 |
KAWAKAMI, YOSHIO;MATSUZAWA, YONEO |
分类号 |
G11B5/73;G11B5/733;(IPC1-7):G11B5/78 |
主分类号 |
G11B5/73 |
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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