Magnetic tape

Details Magnetic tape Magnetic tape

2006-05-16

2006-05-16

Resan, Stevan A. (Department: 1773)

Stock material or miscellaneous articles

Magnetic recording component or stock

Binder media

C428S848600

Reexamination Certificate

active

07045228

ABSTRACT:
A magnetic tape comprising: a coating layer containing ferromagnetic powder and a binder; a support; and a back layer, in this order, which satisfies the following conditions (1) to (3): (1) on a cut plane of the tape, an apex of a biggest convexity of the support does not protrude from a line connecting an apex of a biggest convexity of the coating layer and an apex of a biggest convexity of the back layer; (2) a Young's modulus in a thickness direction of a surface of the magnetic layer is from 1,000 to 2,500 kg/mm2(from 9.8 to 24.5 GPa); and (3) a Young's modulus in a thickness direction of a surface of the back layer is from 600 to 2,000 kg/mm2(from 5.9 to 19.6 GPa).

REFERENCES:
patent: 5423239 (1995-06-01), Sakai et al.
patent: 6627334 (2003-09-01), Iida et al.
patent: 5-182178 (1993-07-01), None
patent: 9-153212 (1997-06-01), None
patent: 11-296839 (1999-10-01), None
patent: 2000-207732 (2000-07-01), None

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