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:
Nov. 02, 1999
Filed:
Sep. 11, 1995
Applicant:
Inventors:
Masayuki Nakamoto, Chigasaki, JP;
Hiromichi Ohashi, Yokohama, JP;
Assignee:
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
313 45 ; 313 41 ; 313309 ; 313311 ; 313336 ; 313351 ; 313496 ;
Abstract
A micro-vacuum device comprises a substrates an emitter having a sharp end formed above the substrate, a gate electrode provided above the emitter, and an anode having cooling means provided oppositely to the substrate above the gate electrode.