Title:
PREPARATION OF METALLIC VAPOR DISCHARGE LAMP
Document Type and Number:
Japanese Patent JPS52105677
Kind Code:
A
Abstract:
PURPOSE: To make it possible to lower discharge-starting voltage by vacuum distillation purification when sealing a rare earth metal in a luminous tube.
Inventors:
SUENAGA MASAHIDE
Application Number:
JP2209976A
Publication Date:
September 05, 1977
Filing Date:
March 03, 1976
Export Citation:
Assignee:
HITACHI LTD
International Classes:
H01J9/395; (IPC1-7): H01J9/395