Title:
FIELD RADIATION TYPE ELECTRON GUN
Document Type and Number:
Japanese Patent JPS5322354
Kind Code:
A
Abstract:
PURPOSE: An object in a vacuum is heated by a high frequency coil from the outside of an electron gun room wall which is made by materials of a reduced dielectric loss and eddy-current loss, thereby making efficient gas exhaustion possible.
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Inventors:
KATAGIRI SHINJIROU
Application Number:
JP9597176A
Publication Date:
March 01, 1978
Filing Date:
August 13, 1976
Export Citation:
Assignee:
HITACHI LTD
International Classes:
H01J3/02; H01J37/06; H01J37/073; (IPC1-7): H01J3/02; H01J37/06