B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 27/08 (2006.01) B29C 55/12 (2006.01) B32B 27/18 (2006.01) G11B 5/733 (2006.01)
Patent
CA 2062480
ABSTRACT OF THE DISCLOSURE Disclosed is a biaxially oriented laminated film having at least three layers which has excellent abrasion resistance and electromagnetic conversion property when the film is used as the base film of a magnetic recording media. The biaxially oriented laminated film comprises at least one outermost layer containing particles A, the particle density ratio at surface layer of the particles A is not less than 0.01, and the mean primary particle size D of the particles A and the thickness T of the outermost layer containing the particles A satisfies the equation; D? T? 200D.
Abe Koichi
Fukuyama Takeo
Minamizawa Hidehito
Okazaki Iwao
Smart & Biggar
Toray Industries Inc.
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