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:
Mar. 25, 2008
Filed:
Dec. 13, 2004
Toshikazu Ohnishi, Tokyo, JP;
Masato Yamanobe, Tokyo, JP;
Ichiro Nomura, Kanagawa-ken, JP;
Hidetoshi Suzuki, Kanagawa-ken, JP;
Yoshikazu Banno, Kanagawa-ken, JP;
Takeo Ono, Tokyo, JP;
Masanori Mitome, Kanagawa-ken, JP;
Toshikazu Ohnishi, Tokyo, JP;
Masato Yamanobe, Tokyo, JP;
Ichiro Nomura, Kanagawa-ken, JP;
Hidetoshi Suzuki, Kanagawa-ken, JP;
Yoshikazu Banno, Kanagawa-ken, JP;
Takeo Ono, Tokyo, JP;
Masanori Mitome, Kanagawa-ken, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An electron-emitting device comprises a pair of oppositely disposed electrodes and an electroconductive film arranged between the electrodes and including a high resistance region. The high resistance region has a deposit containing carbon as a principal ingredient. The electron-emitting device can be used for an electron source of an image-forming apparatus of the flat panel type.