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. 14, 1995
Filed:
Jan. 07, 1994
Applicant:
Inventor:
Shinji Takayama, Mitaka, JP;
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
428611 ; 4286 / ; 4286 / ; 4286 / ; 4286 / ; 148306 ;
Abstract
A high permeability Fe-based alloy having a composition of (Fe.sub.a M.sub.100-a).sub.100-b X.sub.b, wherein M represents at least one element selected from a group consisting of Nb, Zr, Ta, Hf, Ti, V, and Si, and X represents hydrogen or oxygen. The letters a and b represent atomic percentages, wherein preferably 85<=a<=97 and 4<=b<=10. In the preferred embodiment, the alloy comprises a nano-scale alpha-Fe crystalline phase having a grain size of less than 20 nm.
Takayama, Shinji. (1995). High permeability iron-based alloy (U.S. Patent No. 5466539). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5466539
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile