METHOD FOR MANUFACTURING MAGNETIC RECORDING MEDIUM AND MAGNETIC RECORDING MEDIUM

WIPO Patent Application WO/2010/038754

A1

A magnetic recording medium can be provided with a protective layer which achieves an improvement in durability such as sliding resistance and corrosion resistance while maintaining high coercive force. A method for manufacturing a magnetic recording medium is characterized by comprising a magnetic recording layer deposition step for depositing a magnetic recording layer (122), and a protective layer deposition step for depositing a protective layer (126) by a CVD (Chemical Vapour Deposition) method, wherein in the protective layer deposition step, the protective layer (126) is deposited in an atmosphere with a second pressure after being deposited in an atmosphere with a first pressure, and the second pressure is less than the first pressure.

JP4768848	Electroforming master and its manufacturing method
JP3262527	STORAGE DEVICE, MANUFACTURE OF THE SAME AND MAGNETIC DISK
WO/2002/049015	MAGNETIC-DISK SUBSTRATE, AND METHOD FOR MANUFACTURING THE SAME

SATO TOKICHIRO (SG)
ISHIYAMA MASAFUMI (SG)
WATANABE YUSUKE (JP)
AZUMA SHUUHEI (JP)
KAJITA KEIICHI (SG)

PCT/JP2009/066988

April 08, 2010

September 29, 2009

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HOYA CORP (JP)
HOYA MAGNETICS SINGAPORE PTE (SG)
SATO TOKICHIRO (SG)
ISHIYAMA MASAFUMI (SG)
WATANABE YUSUKE (JP)
AZUMA SHUUHEI (JP)
KAJITA KEIICHI (SG)

G11B5/84; G11B5/72

JP2005158092A	2005-06-16
JP2008108415A	2008-05-08

AQUA PATENTS, DESIGNS and TRADEMARKS (JP)
Patent business corporation Aqua patent firm (JP)

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