The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 17, 2005
Filed:
Jun. 18, 2002
Kiyomi Ejiri, Kanagawa, JP;
Kiyomi Ejiri, Kanagawa, JP;
Fuji Photo Film Co., Ltd., Kanagawa, JP;
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 Hof 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.