Title:
磁気記録媒体
Document Type and Number:
Japanese Patent JP4467116
Kind Code:
B2
Abstract:
A magnetic recording medium has a non-magnetic substrate, an under layer, a magnetic layer, and a protective layer in the recited order. The magnetic layer consists of a plurality of magnetic components embedded in a pattern in an isolating component. Each magnetic component includes at least one magnetic component of large coercive force and one of a magnetic component of small coercive force. The two components abut each other. In one embodiment the two components form one or more alternating layers. In another embodiment, one of the components has a recess in its upper surface which is filled with the other component. In still another embodiment, the two components are disposed side by side passing through the isolating component.
Inventors:
Akira Saito
Application Number:
JP36172799A
Publication Date:
May 26, 2010
Filing Date:
December 20, 1999
Export Citation:
Assignee:
Fuji Electric Device Technology Co., Ltd.
International Classes:
C23C14/06; G11B5/667; C23C14/14; C23C14/35; G11B5/65; G11B5/66; G11B5/673; G11B5/716; H01F10/06; G11B5/82
Domestic Patent References:
| JP58118029A | ||||
| JP4310621A | ||||
| JP41922A |
Attorney, Agent or Firm:
Yoichi Matsumoto