Polyethylene naphthalate multilayered film for high density...

Details Polyethylene naphthalate multilayered film for high density... Polyethylene naphthalate multilayered film for high density...

B - Operations, Transporting

32

B

B32B 27/32 (2006.01) G11B 5/73 (2006.01) G11B 5/735 (2006.01) G11B 5/704 (1990.01)

Patent

CA 2072802

24 ABSTRACT OF THE DISCLOSURE Disclosed herein is a polyethylene naphthalate multilayered film for a high density magnetic recording medium comprising: a polyethylene naphthalate layer (A), and a polyethylene naphthalate layer (B) laminated on at least one surface of said polyethylene naphthalate layer (A) and having a thickness of not more than 2 µm and specific surface characteristics, the multilayered film having Young's modulus of not less than 700 kg/mm2 in machine and transverse directions.

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