Title:
ELECTRON DISCHARGE ELEMENT, ELECTRON SOURCE AND IMAGING DEVICE
Document Type and Number:
Japanese Patent JP2003051244
Kind Code:
A
Abstract:
To provide an electron discharge element enabled to have high efficiency, high reliability, a high speed driving, a low consumption electric power, and a high process yield, to cope with a large area substrate and to cope with high precision, and provide an electron source and an imaging device.
As seen from the upper face of a substrate 1, a part of an insulation film 4 and a negative electrode 3 is installed, so as to be hung and covered over the extraction electrode 2.
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Inventors:
SATO TAKAHIRO
TSUKAMOTO TAKEO
TSUKAMOTO TAKEO
Application Number:
JP2001239899A
Publication Date:
February 21, 2003
Filing Date:
August 07, 2001
Export Citation:
Assignee:
CANON KK
International Classes:
H01J9/02; H01J1/304; H01J29/04; H01J31/12; (IPC1-7): H01J1/304; H01J9/02; H01J29/04; H01J31/12
Attorney, Agent or Firm:
Kazunobu Sera (2 outside)