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. 05, 2011
Filed:
Aug. 06, 2009
Applicants:
Yasuo Ohashi, Hadano, JP;
Mitsutoshi Hasegawa, Yokohama, JP;
Shigeto Kamata, Yokohama, JP;
Inventors:
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J 9/39 (2006.01);
U.S. Cl.
CPC ...
Abstract
A manufacturing method of an image display apparatus, having a vacuum container with getters therein, includes the steps of exhausting an inner gas through an exhaust hole provided in the vacuum container; and activating the getters during the exhausting. In the activating step, the getters are sequentially activated first from a getter positioned in an area having a larger exhaust conductance with respect to the exhaust hole.