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:
Jul. 04, 2006
Filed:
Oct. 15, 2004
Applicants:
Shigeo Takenaka, Fukaya, JP;
Masaru Nikaido, Yokosuka, JP;
Satoshi Ishikawa, Fukaya, JP;
Satoko Oyaizu, Fukaya, JP;
Inventors:
Shigeo Takenaka, Fukaya, JP;
Masaru Nikaido, Yokosuka, JP;
Satoshi Ishikawa, Fukaya, JP;
Satoko Oyaizu, Fukaya, JP;
Assignee:
Kabushiki Kaisha Toshiba, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01J 1/304 (2006.01); H01J 1/62 (2006.01);
U.S. Cl.
CPC ...
Abstract
A vacuum envelope includes a first substrate provided with an image display surface and a second substrate opposed to the first substrate with a gap and provided with a plurality of electron sources. The second substrate is formed of a metal substrate, of which a setting surface provided with the electron sources is covered by an insulating layer.