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.:

US 7381282 B1

PDF
Full Text
Expired
Date of Patent:
Jun. 03, 2008

Filed:

Apr. 05, 2005
Applicants:

Tomonori Ueno, Shimane-ken, JP;

Hide Ueno, Novi, MI (US);

Hiroshi Takashima, Shimane-ken, JP;

Mitsuharu Fujimoto, Shimane-ken, JP;

Inventors:

Tomonori Ueno, Shimane-ken, JP;

Hide Ueno, Novi, MI (US);

Hiroshi Takashima, Shimane-ken, JP;

Mitsuharu Fujimoto, Shimane-ken, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 1/147 (2006.01);
U.S. Cl.
CPC ...
Abstract

A Co alloy target comprising 1 to 10 atomic % of Zr and 1 to 10 atomic % of Nb and/or Ta, the balance being unavoidable impurities and Co, is produced by rapidly solidifying a melt of the Co alloy to produce an alloy powder, classifying the alloy powder to maximum particle size of 500 μm or less, and pressure-sintering the classified alloy powder.


Find Patent Forward Citations

Ueno, Tomonori. (2008). Co alloy target and its production method, soft magnetic film for perpendicular magnetic recording and perpendicular magnetic recording medium (U.S. Patent No. 7381282). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7381282

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