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. 12, 2005
Filed:
Nov. 06, 2000
Toshihiko Miyazaki, Kanagawa, JP;
Takeo Ono, Kanagawa, JP;
Hideaki Mitsutake, Kanagawa, JP;
Mitsutoshi Hasegawa, Kanagawa, JP;
Eiji Yamaguchi, Kanagawa, JP;
Shuji Yamada, Kanagawa, JP;
Yasuyuki Todokoro, Kanagawa, JP;
Toshihiko Miyazaki, Kanagawa, JP;
Takeo Ono, Kanagawa, JP;
Hideaki Mitsutake, Kanagawa, JP;
Mitsutoshi Hasegawa, Kanagawa, JP;
Eiji Yamaguchi, Kanagawa, JP;
Shuji Yamada, Kanagawa, JP;
Yasuyuki Todokoro, Kanagawa, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An image formation apparatus is disclosed which includes, within an enclosure configured by a pair of substrates placed face to face and an external frame placed between the substrates, an electron source placed on one of the pair of substrates, an image formation material placed on the other substrate, and spacers placed between the substrates, characterized in that the spacers and the external frame is conductive and device is provided for electrically connecting the spacers and the external frame so that the equipotential surfaces between the spacers and the external frame are quasi-parallel when driven.