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:
Feb. 25, 1986
Filed:
Jun. 25, 1984
Applicant:
Inventors:
Hakaru Masumoto, Sendai City, JP;
Yuetsu Murakami, Izumi City, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B / ;
U.S. Cl.
CPC ...
148 3155 ; 420441 ; 420443 ; 420444 ; 420451 ; 420452 ; 420455 ; 420456 ; 420458 ; 420459 ; 420460 ;
Abstract
The disclosed magnetic alloy essentially consists of 60-86% of nickel (Ni), .5-14% of niobium (Nb), 0.001-5% in sum of at least one element selected from the group consisting of gold, silver, platinum group elements, gallium, indium, thallium, strontium, and barium, and the balance of iron with a trace of impurities, which alloy renders magnetic properties suitable for recording-and-reproducing head upon specific heat treatment.