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 6824625 B1

PDF
Full Text
Expired
Date of Patent:
Nov. 30, 2004

Filed:

Jul. 19, 2001
Applicant:
Inventors:

Norio Fukuda, Iwata, JP;

Shinya Nakamura, Iwata, JP;

Hiroyuki Yamada, Iwata, JP;

Akira Makita, Tokyo, JP;

Tsutomu Hatano, Tokyo, JP;

Nobuaki Kanayama, Tokyo, JP;

Takahito Aoki, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 1/16 ; H01J 2/980 ; H01J 2/970 ;
U.S. Cl.
CPC ...
H01F 1/16 ; H01J 2/980 ; H01J 2/970 ;
Abstract

The invention relates to a magnetostriction control alloy sheet advantageously used as a high resolution shadow mask having a low coefficient of thermal expansion, superior magnetic properties and a high Young's modulus after a blackening process, a manufacturing process for the same, and a part for a color Braun tube such as a shadow mask. The magnetostriction control alloy sheet comprises C at 0.01 wt. % or less, Ni at 30 to 36 wt. %, Co at 1 to 5.0 wt. %, and Cr at 0.1 to 2 wt. %, the remainder Fe and unavoidable impurities, and having a magnetostriction &lgr; after the softening and annealing of (−15×10 ) to (25×10 ).


Find Patent Forward Citations

Fukuda, Norio. (2004). Magnetostriction control alloy sheet, a part of a braun tube, and a manufacturing method for a magnetostriction control alloy sheet (U.S. Patent No. 6824625). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6824625

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