IP Library › Granted Patent US 8,502,451
Granted Patent B2
US 8,502,451 · App. 12/724,529 · Granted Aug 6, 2013

Collector and electron tube

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Quick Facts
Patent No.
US 8,502,451
App. No.
12/724,529
Granted
Aug 6, 2013
Kind
B2
Abstract

A collector included in an electron tube is covered with a carbon nanotube layer over a required area on the surface thereof.

Claims (5)

1. A collector included in an electron tube, comprising:

a carbon nanotube that is formed over a required area on a surface thereof and that reduces a secondary electron emission due to collisions of electron beams, wherein said required area is an area for capturing an electron beam emitted from an electron gun included in said electron tube.

2. An electron tube comprising the collector according to claim 1 .

3. The collector according to claim 1 , wherein:

said required area extends over the entirety of an inner surface of said collector.

Assignments (3)
CHANGE OF NAME Recorded Jun 1, 2015
From: NETCOMSEC CO. LTD.,
To: NEC NETWORK AND SENSOR SYSTEMS, LTD.
Reel/Frame 035752/0148 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 13, 2010
From: NEC MICROWAVE TUBE, LTD.
To: NETCOMSEC CO.LTD
Reel/Frame 024670/0694 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 16, 2010
From: CHIBA, AKIRA
To: NEC MICROWAVE TUBE, LTD.
Reel/Frame 024084/0502 →