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:
Jun. 19, 2012
Filed:
Jan. 26, 2007
Osamu Shirakawa, Ehime, JP;
Hidehiko Noguchi, Ehime, JP;
Osamu Shirakawa, Ehime, JP;
Hidehiko Noguchi, Ehime, JP;
Harison Toshiba Lighting Corporation, Ehime, JP;
Abstract
A metal halide lamp (MHL) includes: a light-transmitting hermetic vessel made of quartz glass, including: a surrounding portion having a discharge space formed therein; and at least one sealing portion joined to the surrounding portion; electrodes sealed within the discharge space of the light-transmitting hermetic vessel; a discharge medium filled within the discharge space of the light-transmitting hermetic vessel; and at least one sealed metal foil connected to proximal ends of the electrodes and hermetically embedded within the sealing portion, the sealed metal foil being formed with height-differentiating portions comprised of laser traces on at least one of surfaces of the metal foil.