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:
May. 18, 2010
Filed:
Mar. 28, 2006
Hiroto Watanabe, Fukushima, JP;
Takeshi Kaneko, Kanagawa, JP;
Hiroto Watanabe, Fukushima, JP;
Takeshi Kaneko, Kanagawa, JP;
Sony Corporation, Tokyo, JP;
Abstract
A fluorescent lampis constructed in which more than two lead wires (), (), () and () are connected to respective electrodes () and () of both end portions of a glass tube (), the glass tube () having a uniform diameter of less than 6.5 mm. Also, when the fluorescent lampis manufactured, an electrode assembly in which two glass beads are fixed to more than two lead wires extended from the electrodes, mercury amalgam being welded to the lead wires is used, the electrode assembly is temporarily fastened by welding the inside glass bead to the glass tube, mercury is evaporated by heating the mercury amalgam and the inside of the glass tube is sealed by welding the outside glass bead to the glass tube.