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:
Jul. 27, 2010
Filed:
Feb. 20, 2007
Applicant:
Masanao Yoshimura, Ebina, JP;
Inventor:
Masanao Yoshimura, Ebina, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F23B 3/30 (2006.01); A21B 1/00 (2006.01); G09F 1/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides a cooling device used for a process for heating and cooling a substrate constituting an image display apparatus that uses electron emitting devices. The cooling device includes a cooling plate located opposite the substrate to absorb radiation heat from the substrate. The cooling plate is provided with a high emissivity area in a pattern located opposite to a low emissivity area of the substrate. This suppresses a variation in a temperature distribution in the substrate during cooling, thus preventing the substrate from being distorted or damaged.