| 发明名称 |
BIAXIALLY ORIENTED POLYESTER FILM |
| 摘要 |
PROBLEM TO BE SOLVED: To provide a biaxially oriented polyester film capable of being stabilized in a rolled web shape of the film in a short time and capable of developing excellent electromagnetic conversion characteristics. SOLUTION: This biaxially oriented polyester film has a relative power (I<SP>10</SP><SB>TD</SB>) of -25 to 0 dB at a spatial frequency of 10 (1/mm) in the transverse direction of the film on at least one of its surfaces. COPYRIGHT: (C)2004,JPO |
| 申请公布号 |
JP2004091753(A) |
申请公布日期 |
2004.03.25 |
| 申请号 |
JP20020258636 |
申请日期 |
2002.09.04 |
| 申请人 |
TORAY IND INC |
发明人 |
KOBAYASHI ATSUSHI;TSUCHIBUCHI MASANOBU |
| 分类号 |
C08J5/18;B29C55/12;B29K67/00;B29L7/00;G11B5/73;G11B5/78;(IPC1-7):C08J5/18 |
主分类号 |
C08J5/18 |
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