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. 08, 1997
Filed:
Jan. 24, 1996
Yoshikazu Banno, Ebina, JP;
Ichiro Nomura, Atsugi, JP;
Hidetoshi Suzuki, Atsugi, JP;
Takashi Noma, Tsukuba, JP;
Rie Ueno, Hadano, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An electron-emitting device having a electron-emitting portion between electrodes on a substrate comprises a region A and a region B, the region A being electrically connected through the region B to at least one of the electrodes, electric conductivity .sigma..sub.1 of the material mainly constituting the region A and electric conductivity of the material .sigma..sub.2 mainly constituting the region B being in the relation of .sigma..sub.1 >.sigma..sub.2, and the region A being the electron-emitting portion. An electron beam-generating apparatus and image-forming apparatus comprise the electron-emitting device and a modulation means for modulating the electron beams emitted from the electron-emitting elements in accordance with information signals.