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:
Apr. 04, 2006
Filed:
Dec. 13, 2001
Toshikazu Onishi, Kanagawa-ken, JP;
Yoshikazu Banno, Tokyo, JP;
Michiyo Nishimura, Kanagawa-ken, JP;
Toshihiko Takeda, Kanagawa-ken, JP;
Keisuke Yamamoto, Kanagawa-ken, JP;
Tomoko Maruyama, Kanagawa-ken, JP;
Toshikazu Onishi, Kanagawa-ken, JP;
Yoshikazu Banno, Tokyo, JP;
Michiyo Nishimura, Kanagawa-ken, JP;
Toshihiko Takeda, Kanagawa-ken, JP;
Keisuke Yamamoto, Kanagawa-ken, JP;
Tomoko Maruyama, Kanagawa-ken, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A method for manufacturing an electron emission element comprising, between its electrodes, a conductive film having an electron emission section. The method comprising the steps of forming a gap in the conductive film located between the electrodes, and applying a voltage between the electrodes in an atmosphere that has an aromatic compound with a polarity or a polar group and in which the partial pressure ratio of water to the aromatic compound is 100 or less.