Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

2008-03-25

2008-03-25

Tzeng, Fred F. (Department: 2627)

Dynamic magnetic information storage or retrieval

Record medium

Tape

Reexamination Certificate

active

11049877

ABSTRACT:
A magnetic recording medium for being used in a write/read system in which a difference of track width between write track width and read track width is smaller than 10 μm, which comprises: a magnetic layer containing ferromagnetic powder and a binder; a nonmagnetic support; and a backcoating layer, in this order, at least one of the magnetic layer and the backcoating layer having servo signals for tracking control pre-recorded therein, wherein the nonmagnetic support is a film of a polyester having an intrinsic viscosity of 0.40 to 0.60 dl/g and a number average molecular weight of 12000 to 24000.

REFERENCES:
patent: 5922483 (1999-07-01), Takahashi et al.
patent: 7253991 (2007-08-01), Fontana et al.
patent: 2005/0170217 (2005-08-01), Takahashi et al.
patent: 2007/0231613 (2007-10-01), Takahashi et al.
patent: 0 567 279 (1993-10-01), None
patent: 1 033 244 (2000-09-01), None
patent: 1 143 422 (2001-10-01), None
patent: 7-6351 (1995-01-01), None
patent: 8-45060 (1996-02-01), None
patent: WO 96/00438 (1996-01-01), None
European Search Report dated Apr. 14, 2005.
John Wiley & Sons, Inc., “Encyclopedia of Polymer Science and Engineering”, (1987) vol. 10, pp. 9-10.
John Wiley & Sons, Inc., “Polymer Handbook” (1999) Fourth Edition, pp. V11/2-V11/3.
European Office Action dated Sep. 8, 2006.

Affiliated with

Also associated with

Rating

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

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3955345