Title:
CATHODE RAY TUBE
Document Type and Number:
Japanese Patent JPS52120676
Kind Code:
A
Abstract:
PURPOSE: To obtain the cathode ray tube which gives little emission of X ray, forming the getter metal film of the cathode ray tube, by covering same by use of the calcium metal or the magnetisum metal to the screen and the electrode face neighbouring to the screen.
Inventors:
MATSUDO HIROMICHI
Application Number:
JP3712476A
Publication Date:
October 11, 1977
Filing Date:
April 05, 1976
Export Citation:
Assignee:
HITACHI LTD
International Classes:
H01J7/18; H01J29/00; H01J29/88; H01J31/20; (IPC1-7): H01J29/00; H01J29/88; H01J31/20