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:
Dec. 02, 1997
Filed:
Sep. 29, 1994
Applicant:
Inventors:
Li-Lien Lee, Pittsburgh, PA (US);
David N Lambeth, Pittsburgh, PA (US);
David E Laughlin, Pittsburgh, PA (US);
Assignee:
Carnegie Mellon University, Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ; G11B / ;
U.S. Cl.
CPC ...
428611 ; 428 653 ; 428336 ; 428668 ; 428673 ; 428674 ; 4286 / ; 4286 / ; 4286 / ; 428900 ; 360 9701 ; 427131 ; 427132 ; 20419215 ; 2041922 ;
Abstract
The present invention provides a longitudinal magnetic recording media having a substrate, a Co or Co alloy based layer and an underlayer disposed between the substrate and the magnetic layer comprised of a material having a B2 ordered crystalline structure, preferably NiAl or FeAl. A thin Cr intermediate layer of about 1.0 nm to 5.0 nm thick may be positioned between the underlayer and the magnetic layer.
Lee, Li-Lien. (1997). Magnetic recording medium with b2 structured underlayer and a (U.S. Patent No. 5693426). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5693426
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile