Title:
MICROMINIATURE MICROWAVE ELECTRON SOURCE
Document Type and Number:
Japanese Patent JP3497147
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a microminiature microwave electron source excellent in usability and applicable to many purposes.
SOLUTION: The microminiature microwave electron source emitting electrons under excitation with microwave through coaxial cable Co comprises a conductive chamber 2 connected to an outer conductor 14 at its opening and having an opening anode 6 at its bottom, a center conductor of electron source 1 connected to the center conductor of the coaxial cable Co 12 at one end and having cold cathode of carbon nanotube 4 opposed to the anode 6 in the chamber 2 on the other end, a coupling iris 8 which tightly supports the center conductor 1 at the opening of the chamber 2, and means 16 for connecting the center conductor 1 to the center conductor of the coaxial cable.
Inventors:
Eiji Tanabe
Application Number:
JP2001285675A
Publication Date:
February 16, 2004
Filing Date:
September 19, 2001
Export Citation:
Assignee:
ET Japan Co., Ltd.
International Classes:
G21K1/00; A61N5/04; G21K5/02; G21K5/04; H01J1/304; H01J7/46; H01J23/06; H01J33/00; H01J35/06; H01J37/073; H05G1/00; H05H7/08; (IPC1-7): H01J37/073; A61N5/04; G21K1/00; G21K5/02; G21K5/04; H01J1/304; H01J23/06; H01J35/06; H05G1/00; H05H7/08
Domestic Patent References:
| JP6349414A | ||||
| JP11260244A | ||||
| JP6231900A | ||||
| JP8185805A | ||||
| JP609033A | ||||
| JP2000208294A | ||||
| JP2001507800A |
Attorney, Agent or Firm:
Hisashi Inokuchi