MANUFACTURING METHOD OF SUBSTRATE FOR RECORDING MEDIUM
PROBLEM TO BE SOLVED: To provide a manufacturing method of a substrate for recording medium which can reliably transfer a shape of a mold having a minute shape to the substrate for recording medium. SOLUTION: A method to transfer and form an uneven pattern corresponding to a recording signal on a ma...
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| creator | UCHIYAMA HIROICHI KITA HIROYUKI OKAMOTO TADASHI FUKAZAWA TOSHIO |
| description | PROBLEM TO BE SOLVED: To provide a manufacturing method of a substrate for recording medium which can reliably transfer a shape of a mold having a minute shape to the substrate for recording medium. SOLUTION: A method to transfer and form an uneven pattern corresponding to a recording signal on a main surface of a tabular recording medium by molds 2A and 2B is provided with; a process for preparing a pre-transfer substrate 1 comprising a dimension D1 larger than the uneven pattern area D2 corresponding to a recording signal formed in main surfaces of molds 2A and 2B for transfer and a dimension D1 smaller than the dimension D3 specified as a substrate 3 for recording medium; and a transfer process to transfer an uneven pattern by pressing molds 2A and 2B to the pre-transfer substrate 1 and to expand the pre-transfer substrate 1 to the dimension of the substrate 3 for recording medium. COPYRIGHT: (C)2007,JPO&INPIT |
| format | Patent |
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| subjects | CHEMISTRY CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS GLASS INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES METALLURGY MINERAL OR SLAG WOOL PHYSICS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE |
| title | MANUFACTURING METHOD OF SUBSTRATE FOR RECORDING MEDIUM |
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