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:
Dec. 23, 2003
Filed:
Dec. 14, 2000
Applicant:
Inventors:
Floyd R. Pothoven, Bellflower, CA (US);
Terry A. Pothoven, Bellflower, CA (US);
Assignee:
Ceravision Technology Limited, Dublin, IE;
Primary Examiner:
Int. Cl.
CPC ...
H01J 9/26 ; H01J 6/136 ; H01J 6/500 ;
U.S. Cl.
CPC ...
H01J 9/26 ; H01J 6/136 ; H01J 6/500 ;
Abstract
The lamp consists of a hollow tubular body with a closed end and an open end The body is of sintered ceramic material. A window is sealed across the open end, the window and the body being united by a layer of frit The window is of sapphire. Within the body is sealed an inert gas atmosphere and a pellet charge of excitable material In use, the lamp is subjected to RF electromagnetic radiation which heats it to 1000° C. causes it to emit visible light via the sapphire.