Magnetic tape

Details Magnetic tape Magnetic tape

2005-05-17

2005-05-17

Resan, Stevan A. (Department: 1773)

Stock material or miscellaneous articles

Composite

Of inorganic material

C428S690000

Reexamination Certificate

active

06893747

ABSTRACT:
A magnetic tape is disclosed, comprising a support having thereon a magnetic layer comprising ferromagnetic particles and a binder as the main components, (i) the magnetic tape being for use in a magnetic recording/reproducing system in which signals recorded are reproduced with a magneto resistive head, (ii) the ferromagnetic particles contained in the magnetic layer being hexagonal-ferrite magnetic particles having an average tabular diameter of from 10 to 40 nm, and the magnetic layer having a machine direction coercive force Hcof from 158 to 350 kA/m, a squareness ratio SQ⊥ as measured in the direction perpendicular to the magnetic plane of 0.5 or lower, and a thickness of from 30 to 300 nm.

REFERENCES:
patent: 5480713 (1996-01-01), Sasaki et al.
patent: 5976660 (1999-11-01), Saito et al.
patent: 6372338 (2002-04-01), Jeffers et al.
patent: 6521361 (2003-02-01), Ejiri et al.

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