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Patent Searching and Data


Title:
MAGNETIC RECORDING MEDIUM
Document Type and Number:
WIPO Patent Application WO/2017/125981
Kind Code:
A1
Abstract:
This magnetic recording medium is provided with a long base body and a magnetic layer containing powder of magnetic cubic ferrite particles. The sum of the squareness ratio in the longitudinal direction and the squareness ratio in the vertical direction is 1.2 or greater, and the difference between the squareness ratio in the longitudinal direction and the squareness ratio in the vertical direction is 0.15 or greater.

Inventors:
NAKASHIO EIJI (JP)
TERAKAWA MASARU (JP)
KANEMAKI YOICHI (JP)
SATO TOMOE (JP)
MAESHIMA KATSUNORI (JP)
SASAKI NOBUYUKI (JP)
Application Number:
PCT/JP2016/005121
Publication Date:
July 27, 2017
Filing Date:
December 14, 2016
Export Citation:
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Assignee:
SONY CORP (JP)
International Classes:
G11B5/70; G11B5/706
Domestic Patent References:
WO2015198514A12015-12-30
Foreign References:
JP2008243317A2008-10-09
JP2007294084A2007-11-08
JPH05314457A1993-11-26
Attorney, Agent or Firm:
SUGIURA, Masatomo et al. (JP)
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