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:
Sep. 07, 2004
Filed:
Aug. 05, 2002
Applicant:
Inventors:
Zhong Stella Wu, Fremont, CA (US);
Qixu David Chen, Milpitas, CA (US);
Samuel Dacke Harkness, San Francisco, CA (US);
Assignee:
Seagate Technology LLC, Scotts Valley, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/66 ; G11B 5/70 ; B05D 5/12 ;
U.S. Cl.
CPC ...
G11B 5/66 ; G11B 5/70 ; B05D 5/12 ;
Abstract
A bi-crystal magnetic recording medium, i.e., medium with Cr(200) and Co(11.0) orientations, having a CrW-containing underlayer in which the W content increases for improved lattice matching with a Co-alloy magnetic layer has high coercivity, high SMNR and high areal recording density.