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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 6771017 B1

PDFFull Text
Expired
Date of Patent:
Aug. 03, 2004

Filed:

Jan. 08, 2002

Color cathode ray tube and method of manufacturing thereof

Applicant:
Inventors:

Masahiro Nishizawa, Mobara, JP;

Norikazu Uchiyama, Chikura, JP;

Maki Taniguchi, Ichihara, JP;

Toshio Tojo, Ichinomiya, JP;

Tomoji Oishi, Hitachi, JP;

Assignee:

Hitachi, Ltd., Tokyo, JP;

Attorney:

Milbank, Tweed, Hadley & McCloy, LLP

Primary Examiner:

Nimeshkumar D Patel

Assistant Examiner:

German Colón

Int. Cl.
CPC ...
H01J 3/100 ; H01J 5/16 ;
U.S. Cl.
CPC ...
H01J 3/100 ; H01J 5/16 ;
Abstract

A cathode ray tube includes a film which is formed on an outer surface of a panel portion. The film is comprised of a first particles which become transparent due to the oxidation and a second particles which are chemically and physically stable and have the light absorbing ability and the conductivity. A number of the transparent first particles is gradually increased toward a peripheral portion from the center portion of the panel portion.

Find Patent Forward Citations

Nishizawa, Masahiro. (2004). Color cathode ray tube and method of manufacturing thereof (U.S. Patent No. 6771017). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6771017

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

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