High-pressure discharge lamp and productive method thereof

Application Number: 00108566
Application Date: 2000.05.18
Publication Number: 1275791
Publication Date: 2000.12.06
Priority Information: 1997/3/18 JP 064048/1997; 1996/5/16 JP 121490/1996
International: C04B37/02;H01J9/32;H01J61/36
Applicant(s) Name: NGK Insulators, Ltd.
Inventor(s) Name: Arami Tokuichi;Asai Michio
Patent Agency Code: 11038
Patent Agent: wang maohua
Abstract A high pressure discharge lamp comprising a ceramic discharge tube having an inner space filled with an ionizable light-emitting material and a starting gas, plugging members each at least partially fixed to an inner side of respective one of end portions of the ceramic discharge tube and each having a through-hole provided therein, conductive members inserted into or through the through-holes of the plugging members, respectively, and electrode units provided in said inner space, wherein a material of the plugging members is the same as that of the ceramic discharge tube, and each of the plugging members is gas-tightly joined to the corresponding conductive member with a metallizing layer.