Document Type and Number:
Japanese Patent JPS5758038
Kind Code:
B2
Abstract:
PURPOSE:To protect the X-ray generation target from thermal damage, by radiating electron beam in the trap, in starting scanning of electron beam.
Inventors:
WATANABE EIJI
Application Number:
JP8897677A
Publication Date:
December 07, 1982
Filing Date:
July 25, 1977
Export Citation:
Assignee:
NIPPON ELECTRON OPTICS LAB
International Classes:
A61B6/03; A61B6/02; H01J35/00; H01J35/08; H01J35/30; H05G1/52