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:
Oct. 25, 2005
Filed:
Nov. 28, 2003
Naomi Hirano, Tokyo, JP;
Hiroshi Momoi, Chiba, JP;
Hiroyasu Nishio, Chiba, JP;
Nobuhisa Takada, Osaka, JP;
Naomi Hirano, Tokyo, JP;
Hiroshi Momoi, Chiba, JP;
Hiroyasu Nishio, Chiba, JP;
Nobuhisa Takada, Osaka, JP;
Asahi Techno Glass Corporation, Funabashi, JP;
Abstract
For example, the reflector according to the present invention is a reflector made of glass for a projector which is composed of amorphous glass whose thermal expansion coefficient is 30 to 45×10/° C. and includes a reflective surface for reflecting light emitted from a light source and an opening for inserting a light source bulb or a conductor to the light source bulb, in which the opening is smoothed by heat-treating the surface thereof after opening-drilling, thus mechanical damage is removed from the processed part.