发明名称 |
POLYESTERFOLIE FUER MAGNETBAENDER |
摘要 |
<p>A polyester film suitable for use as the magnetic tape base for video recording, capable of high density recording and having stable slidability or running characteristics. The polyester film is made of a polyester which contains 0.05-1 wt % particles containing calcium and phosphorus and of which the number n of the second interference fringes (number/mm2) and the average centerline roughness ( mu m) satisfy the following relationships: n<30 (1) 0.005</=Ra</=0.025 (2)</p> |
申请公布号 |
DE3415801(A1) |
申请公布日期 |
1984.11.08 |
申请号 |
DE19843415801 |
申请日期 |
1984.04.27 |
申请人 |
DIAFOIL CO.LTD. |
发明人 |
SAKAMOTO,SEIJI;YASUMURA,KIYOSHI |
分类号 |
C08L67/02;C08J5/18;C08K3/32;C09D5/23;G11B5/73;G11B5/733;(IPC1-7):11B5/62 |
主分类号 |
C08L67/02 |
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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