The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Aug. 03, 1999

Filed:

Jul. 25, 1997
Applicant:
Inventors:

Mitsuru Ikeuchi, Himeji-shi, Hyogo-ken, JP;

Hiromitsu Matsuno, Himeji-shi, Hyogo-ken, JP;

Yukihiro Morimoto, Himeji-shi, Hyogo-ken, JP;

Assignee:

Other;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J / ; H01J / ;
U.S. Cl.
CPC ...
313623 ; 313625 ;
Abstract

To prevent corrosion of the sites where upholding parts of electrodes are attached and to easily effect exact positioning of the electrodes, in a discharge lamp in which the sealing tubes of a discharge vessel are sealed with sealing bodies of material with a gradient function which is formed from a dielectric powder of the same material as material of the discharge vessel and from a conductive powder, the upholding parts of the electrodes extend through axial openings which are formed in the sealing bodies and are attached and hermetically sealed on the outer faces of the sealing bodies by means of a solder or the like.


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