Magnetic recording tape

Details Magnetic recording tape Magnetic recording tape

2005-08-30

2005-08-30

Resan, Stevan A. (Department: 1773)

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

C428S323000, C428S328000, C428S329000, C428S336000, C428S690000

Reexamination Certificate

active

06936338

ABSTRACT:
A magnetic recording tape comprising: a magnetic layer comprising a ferromagnetic powder and a binder; a nonmagnetic layer; a support; and a back coating layer, in this order, wherein the magnetic layer has a surface lubricant index of from 1.3 to 3.5, the back coating layer comprises titanium oxide, α-iron oxide or a mixture thereof as an inorganic oxide powder and carbon black and further comprises from 10 to 30 parts by weight, based on 100 parts by weight of a total amount of the inorganic oxide powder and the carbon black, of a binder, and the back coating layer has a surface lubricant index of from 1.10 to 3.0.

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patent: 2002/0028352 (2002-03-01), Kato et al.
patent: 4-71244 (1992-11-01), None
patent: 2001-222811 (2001-08-01), None
patent: 2001-229521 (2001-08-01), None
patent: 2001-325716 (2001-11-01), None
patent: WO-99/38158 (1999-07-01), None

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