Magnetic recording disk and process for manufacture thereof

Details Magnetic recording disk and process for manufacture thereof Magnetic recording disk and process for manufacture thereof

2007-08-07

2007-08-07

Bernatz, Kevin M. (Department: 1773)

Stock material or miscellaneous articles

Magnetic recording component or stock

Thin film media

C428S833400, C428S835800

Reexamination Certificate

active

10653429

ABSTRACT:
A magnetic recording disk having a substrate, a magnetic layer formed on the substrate, a protective layer formed on the magnetic layer and a lubricant layer formed on the protective layer, the lubricant layer containing a perfluoropolyether compound having an end moiety containing a phosphazene ring and a perfluoropolyether compound having an end moiety containing a hydroxyl group, or the lubricant layer containing a perfluoropolyether compound having an end moiety containing a hydroxyl group on the protective layer side and a perfluoropolyether compound having an end moiety containing a phosphazene ring on the other surface side, and a process for manufacturing each of these magnetic recording disks.

REFERENCES:
patent: 4194983 (1980-03-01), Paciorek et al.
patent: 5128216 (1992-07-01), Ng
patent: 5587217 (1996-12-01), Chao et al.
patent: 5718942 (1998-02-01), Vurens et al.
patent: 5858536 (1999-01-01), Yanagisawa
patent: 5908817 (1999-06-01), Perettie et al.
patent: 6238796 (2001-05-01), Liu et al.
patent: 6559108 (2003-05-01), Howell et al.
patent: 6605335 (2003-08-01), Tani et al.
patent: 6624984 (2003-09-01), Lewis et al.
patent: 6627302 (2003-09-01), Tang et al.
patent: 6643098 (2003-11-01), Takahashi
patent: 6673429 (2004-01-01), Ma et al.
patent: 6686019 (2004-02-01), Liu et al.
patent: 6753060 (2004-06-01), Liu et al.
patent: 2002/0006531 (2002-01-01), Hiroshi et al.
patent: 62-066417 (1987-03-01), None
patent: 8-319491 (1996-12-01), None
patent: 10-027341 (1998-01-01), None
patent: 11-224419 (1999-08-01), None
patent: 2000-003512 (2000-01-01), None
patent: 2000-260017 (2000-09-01), None
patent: 2001-187796 (2001-07-01), None
patent: 2001-236638 (2001-08-01), None
patent: 2003-132520 (2003-05-01), None
patent: WO 01/21630 (2001-03-01), None
“Principles of Polymerization” by G. Odian, 3rd Edition, 1991, John Wiley & Sons, Inc, NY, pp. 19-24.
JPO Abstract Translation of JP 2003-132520 A (Abstract-Pub-No. JP2003132520A, May 2003).

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