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:
Feb. 15, 2005
Filed:
Dec. 06, 2001
Floyd R. Pothoven, Lakewood, CA (US);
Terry A. Pothoven, Lakewood, CA (US);
Floyd R. Pothoven, Lakewood, CA (US);
Terry A. Pothoven, Lakewood, CA (US);
ITW, Inc., Bellflower, CA (US);
Abstract
A lamphas a bodyof sintered alumina ceramic material and an artificial sapphire window. The bodyis initially molded in green state and the window is pressed into a front recess. The combination is fired at a temperature of the order of 1500° C., to fuse the body into a coherent pressure-tight state with the window. After partial cooling to the order of 600° C., a pellet of excitable material is added through a rear, charging aperture. A discof ceramic with fritis placed over the aperture. The disc is irradiated by laser to fuse the frit and the disc to the body, thus sealing the excitable material into the lamp.