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:
Apr. 19, 2011
Filed:
Jun. 04, 2009
Yuji Takeda, Imabari, JP;
Takayoshi Kurita, Imabari, JP;
Masami Takagi, Imabari, JP;
Harison Toshiba Lighting Corporation, Imabari-shi, Ehime, JP;
Abstract
A low-pressure discharge lamp having a tubular glass lamp vessel, on an outer surface of which conductor layers are formed as electrodesand. The ultrasonic solder dipping layersandare formed at both ends of the vesselas conductor layers. The end surfaces of the glass lamp vessel are blasted and ultrasonic solder dipping layers are formed on the blasted surfacesandby ultrasonic solder dipping. Conductor layers form external electrodesand, which are in contact with the glass surface more strongly. A low-pressure discharge lamp having the conductor layers of a uniform thickness can be mass-produced at low cost.