USPatentGranted
B2

Electron emitting device, electron source and image display device and methods of manufacturing these devices

Granted 14 Dec 2004 · no office action yet

Life of the patent

3 dated events
⤢ drag to zoomJan 2003Apr 2003Jul 2003Oct 2003Jan 2004Apr 2004Jul 2004Oct 2004Jan 2005Prosecution
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Abstract

The present invention provides an electron emitting device including electrodes disposed with a space therebetween on a surface of a substrate, a carbon film disposed between the electrodes and connected to one of the electrodes, and a gap disposed between the carbon film and the other electrode. In the gap, the distance between the edge of the carbon film connected to one of the electrode and the edge of the other electrode at an upper position apart from the surface of the substrate is smaller than that at the surface of the substrate. The present invention also provides an electron source and an image display device each including the electron emitting device.

Classifications

3 codes
IPC · International Patent Classification
Section H — Electricity
  • H01J1/02
USPC · US Patent Classification
313/310313/495

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Pendency
2.0 y
727 days filing → grant
Office actions
0
none on record
Responses
0
1 RCE
Examiner
Vip Patel
art unit —
Citations: 92 back · 0 forward

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Priority chain

1 priority documents
›Priority documents — 1
TypeDocumentDate
related publicationUS 20030124944 A13 Jul 2003

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