Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

G - Physics

11

B

G11B 5/706 (2006.01) G11B 5/73 (2006.01)

Patent

CA 2158219

The present invention provides a magnetic recording medium comprising a base film consisting essentially of an aromatic polyamide and a magnetic layer formed on at least one surface of the base film, wherein the base film has a tensile Young's modulus in at least one direction of not less than 700 kg/mm2, a content of materials which are extractable with methylene chloride of not more than 0.5% and a dimensional change in the longitudinal direction after applying a load of 1 kg per 1 mm2 at 100°C for 10 minutes of not more than 2%. The magnetic recording medium is excellent in running property and durability even under severe conditions.

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