MAGNETIC RECORDING MEDIUM, AND MANUFACTURING METHOD AND MANUFACTURING DEVICE OF MAGNETIC RECORDING MEDIUM
PROBLEM TO BE SOLVED: To produce a magnetic recording medium at a low cost, which is provided with a magnetic layer consisting of a maghemite thin film containing Co on a general purpose plastic film. SOLUTION: The magnetite thin film containing Co is deposited on a long-length substrate consisting...
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| Main Author | |
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| Format | Patent |
| Language | English |
| Published |
16.06.2005
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| Edition | 7 |
| Subjects | |
| Online Access | Get full text |
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| Abstract | PROBLEM TO BE SOLVED: To produce a magnetic recording medium at a low cost, which is provided with a magnetic layer consisting of a maghemite thin film containing Co on a general purpose plastic film. SOLUTION: The magnetite thin film containing Co is deposited on a long-length substrate consisting of polyethylene terephthalate (PET) or polyethylene naphthalate (PEN), its substrate side is made to run while being brought into contact with a drum whose circumferential surface is cooled and the side of the magnetite thin film containing cobalt is subjected to thermal oxidation treatment to deposit the magnetic layer consisting of the maghemite thin film containing cobalt having 1 to 10 wt% cobalt content. COPYRIGHT: (C)2005,JPO&NCIPI |
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| AbstractList | PROBLEM TO BE SOLVED: To produce a magnetic recording medium at a low cost, which is provided with a magnetic layer consisting of a maghemite thin film containing Co on a general purpose plastic film. SOLUTION: The magnetite thin film containing Co is deposited on a long-length substrate consisting of polyethylene terephthalate (PET) or polyethylene naphthalate (PEN), its substrate side is made to run while being brought into contact with a drum whose circumferential surface is cooled and the side of the magnetite thin film containing cobalt is subjected to thermal oxidation treatment to deposit the magnetic layer consisting of the maghemite thin film containing cobalt having 1 to 10 wt% cobalt content. COPYRIGHT: (C)2005,JPO&NCIPI |
| Author | SEKINO TOMOYUKI |
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| Notes | Application Number: JP20030392115 |
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| RelatedCompanies | SONY CORP |
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| Snippet | PROBLEM TO BE SOLVED: To produce a magnetic recording medium at a low cost, which is provided with a magnetic layer consisting of a maghemite thin film... |
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| Title | MAGNETIC RECORDING MEDIUM, AND MANUFACTURING METHOD AND MANUFACTURING DEVICE OF MAGNETIC RECORDING MEDIUM |
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