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. 13, 1990
Filed:
Aug. 16, 1989
Yasushi Watanabe, Yokosuka, JP;
Hirofumi Imaoka, Yokosuka, JP;
Abstract
Novel magnetic alloys for magnetic heads are provided and are broadly of the formula, Fe-O-N. In a more specific embodiment, the alloys are of the compositional formula, Fe.sub.v N.sub.w O.sub.x M.sub.y, wherein M represents a member selected from the group consisting of Ta, Nb, Si and mixtures thereof, and v, w, x and y are, respectively, such values by atomic percent that 1.ltoreq.w.ltoreq.20, 1.ltoreq.x.ltoreq.20 and 0.5.ltoreq.y.ltoreq.6 provided that v+w+x+y=100. These alloys may further comprise at least one element of the platinum group or of group VIa of the periodic table in an amount of from 0.3 to 3 atomic percent in total so that their resistance to corrosion is improved.