Tape-form recording medium and manufacturing method thereof
AssigneeFuji Photo Film Co., Ltd.
InventorsRyota Suzuki, Shinichi Sugawara
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Abstract
A manufacturing method of a tape-form recoding medium in the present invention is configured with a raw web winding process of winding on a winding core raw web having a support body, a data recoding layer laminated on one side of the support body, and a minute convexity laminated on the other side thereof; a raw web rewinding process of rewinding on other winding cores the raw web wound on the winding core in the raw web winding core; and a heat treatment process of heating the rewound raw web and decreasing a number of a concavity not less than 30 nm in depth formed in the data recording layer in the raw web winding process to not more than 80 pieces/mm2.
Claims20
A manufacturing method of a tape-form recoding medium comprising:
- a raw web winding process of winding on a winding core raw web having a support body, a data recoding layer laminated on one side of the support body, and a minute convexity laminated on the other side thereof;
- a raw web rewinding process of rewinding on other winding cores the raw web wound on the winding core in the raw web winding core;
- and
- a heat treatment process of heating the rewound raw web and decreasing a number of a concavity not less than 30 nm in depth formed in the data recording layer in the raw web winding process to not more than 80 pieces/mm2.
Dependencies are inferred from the claim text.