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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 6777863 B1

PDFFull Text
Expired
Date of Patent:
Aug. 17, 2004

Filed:

Jan. 03, 2001

Material for aperture grill for color picture tube, process for making the same, aperture grill, and picture tube

Applicant:
Inventors:

Hironao Okayama, Yamaguchi, JP;

Tsuneyuki Ide, Yamaguchi, JP;

Yasuo Tahara, Yamaguchi, JP;

Hiroshi Fujishige, Yamaguchi, JP;

Akira Ikeda, Yamaguchi, JP;

Setsuo Takaki, Fukuoka, JP;

Assignee:

Toyo Kohan., Ltd., Tokyo, JP;

Attorney:

Browdy and Neimark, P.L.L.C.

Primary Examiner:

Edward J Glick

Assistant Examiner:

Jurie Yun

Int. Cl.
CPC ...
H01J 2/980 ;
U.S. Cl.
CPC ...
H01J 2/980 ;
Abstract

A material is provided for marking aperture grilles for use in a color picture tube which has excellent yield strength, high temperature creep strength, and superior magnetic characteristics as compared to conventional materials. The material is made by cold-rolling a low carbon sheet containing 9 to 30 weight % of Ni or 9 to 30 weight % of Ni and 0.1 to 5 weight % of Co, and annealing the cold-rolled steel sheet at a temperature of 400-500° C.

Find Patent Forward Citations

Okayama, Hironao. (2004). Material for aperture grill for color picture tube, process for making the same, aperture grill, and picture tube (U.S. Patent No. 6777863). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6777863

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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