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.
Patent No.:
Date of Patent:
Jul. 04, 2000
Filed:
Mar. 09, 1998
Applicant:
Inventors:
Tomoyuki Seki, Nagaokakyo, JP;
Kazuo Maeda, Takatsuki, JP;
Hiroshi Sugimoto, Osaka, JP;
Akira Mii, Ashiya, JP;
Assignee:
Matsushita Electronics Corporation, Osaka, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
313635 ; 313634 ; 313567 ;
Abstract
A lamp for a halogen lamp a single-tube, high-intensity discharge lamp, a double-tube high-intensity discharge lamp having an outer housing formed of quartz, and the like, being characterized in that a film having desirable heat conductivity and emissivity is formed on the surface of each sealing portion thereof, whereby the temperature at the distal end of the molybdenum foil in the sealing portion away from the center of the bulb can be kept at about 350.degree. C. or less while the lamp is burning.