Perpendicular magnetic recording medium and magnetic...

Details Perpendicular magnetic recording medium and magnetic... Perpendicular magnetic recording medium and magnetic...

2006-09-12

2006-09-12

Rickman, Holly (Department: 1773)

Stock material or miscellaneous articles

Magnetic recording component or stock

Thin film media

Reexamination Certificate

active

07105239

ABSTRACT:
In a magnetic recording medium, a longitudinal hard magnetic layer, interlayer, longitudinal soft magnetic layer, and magnetic recording layer are multilayered on a substrate. The interlayer is one of a magnetic layer having saturation magnetization smaller than that of the longitudinal hard magnetic layer, a nonmagnetic layer mainly containing cobalt or ruthenium or having a thickness of 0.5 nm or less, and an oxide layer of the longitudinal hard magnetic layer.

REFERENCES:
patent: 4544591 (1985-10-01), Uesaka et al.
patent: 4672009 (1987-06-01), Takahashi
patent: 5635835 (1997-06-01), Mouchot et al.
patent: 5792564 (1998-08-01), Hikosaka et al.
patent: 5815342 (1998-09-01), Akiyama et al.
patent: 5942342 (1999-08-01), Hikosaka et al.
patent: 6818330 (2004-11-01), Shukh et al.
patent: 6835475 (2004-12-01), Carey et al.
patent: 6858319 (2005-02-01), Yasui et al.
patent: 2002/0136930 (2002-09-01), Oikawa et al.
patent: 2003/0017370 (2003-01-01), Shimizu et al.
patent: 0 726 563 (1996-08-01), None
patent: 59-63026 (1984-04-01), None
patent: 5-258274 (1993-10-01), None
patent: 6-28652 (1994-02-01), None
patent: 7-129946 (1995-05-01), None
patent: 7-235034 (1995-09-01), None
patent: 2001-118234 (2001-04-01), None
Office Action, dated Apr. 20, 2004, from the Japanese Patent Office for Patent Application No. 2001-361217.
U.S. Appl. No. 10/151,898, filed May 22, 2002, Shimizu et al.
U.S. Appl. No. 10/101,949, filed Mar. 20, 2002, Oikawa et al.

Affiliated with

Also associated with

Rating

Perpendicular magnetic recording medium and magnetic... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Perpendicular magnetic recording medium and magnetic..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Perpendicular magnetic recording medium and magnetic... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3540172