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:
Jan. 31, 2006
Filed:
Apr. 09, 2002
Masakazu Muroyama, Kanagawa, JP;
Takao Yagi, Kanagawa, JP;
Kouji Inoue, Kanagawa, JP;
Ichiro Saito, Kanagawa, JP;
Masakazu Muroyama, Kanagawa, JP;
Takao Yagi, Kanagawa, JP;
Kouji Inoue, Kanagawa, JP;
Ichiro Saito, Kanagawa, JP;
Sony Corporation, , JP;
Abstract
A cold cathode field emission device comprising a cathode electrodeformed on a supporting member, a gate electrodewhich is formed above the cathode electrodeand has an opening portion, and an electron emitting portionformed on a surface of a portion of the cathode electrodewhich portion is positioned in a bottom portion of the opening portion, said electron emitting portioncomprising a carbon-group-material layer, and said carbon-group-material layerbeing a layer formed from a hydrocarbon gas and a fluorine-containing hydrocarbon gas.