发明名称 |
Laminated polyester film for magnetic tape |
摘要 |
A laminated polyester film for a magnetic tape, which film comprises a layer of a crystalline polyester (A) and a layer of a polyester (B) which is laminated on at least one surface of the layer of the polyester (A) and has a melting point lower than that of the polyester (A), and which film has a Young's modulus of at least 600 kg/mm2 in both longitudinal and transverse directions, which film is suitable as a base film of a video tape.
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申请公布号 |
US5441800(A) |
申请公布日期 |
1995.08.15 |
申请号 |
US19930173461 |
申请日期 |
1993.12.17 |
申请人 |
DIAFOIL HOESCHT COMPANY, LIMITED |
发明人 |
UTSUMI, SHIGEO |
分类号 |
B32B27/36;C08L67/02;G11B5/73;(IPC1-7):B32B27/06;G11B5/66 |
主分类号 |
B32B27/36 |
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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