Method for storing a polyester film for a magnetic recording med

Details Method for storing a polyester film for a magnetic recording med Method for storing a polyester film for a magnetic recording med

1999-09-17

2000-09-12

Pianalto, Bernard

Coating processes

Magnetic base or coating

Magnetic coating

427128, 427132, 427250, 427314, 427327, B05D 512

Patent

active

061174831

ABSTRACT:
A method for storing a polyester film for a magnetic recording medium, characterized in that a polyester film for a magnetic recording medium with a surface roughness Ra of 6 nm or less on the surface A on one side is stored substantially in a storing atmosphere having a storing temperature kept in a range from 10.degree. C. to 35.degree. C. The polyester film stored according to this storing method is used as a base film for producing magnetic tapes.

REFERENCES:
patent: 4540618 (1985-09-01), Suzuki et al.
patent: 4581245 (1986-04-01), Nakamura et al.

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