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:
Nov. 19, 1996
Filed:
Feb. 09, 1990
Applicant:
Inventors:
Donald F Canaperi, Bridgewater, CT (US);
Mahadevaiyer Krishnan, Hopewell Junction, NY (US);
Sol Krongelb, Somers, NY (US);
David L Rath, Stormville, NY (US);
Lubomyr T Romakiw, Briarcliff Mano, NY (US);
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ; B32B / ;
U.S. Cl.
CPC ...
428332 ; 428336 ; 428611 ; 428667 ; 428678 ; 4286 / ; 4286 / ; 4286 / ; 428900 ; 360125 ; 360126 ;
Abstract
Laminates of magnetic and magnetic quenching laminae are provided for use as magnetic thin film laminates for use in magnetic recording heads. The use of these films significantly reduces the number of domains and Barkhausen noise levels in such recording heads.