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:
Aug. 04, 2009
Filed:
Apr. 07, 2006
Kazuyoshi Ishii, Tokyo, JP;
Kazuyoshi Ishii, Tokyo, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An optical pick-up including an objective lens for collecting/irradiating laser light onto an optical disk, and an objective lens holding member for holding the objective lens. A plurality of cutout portions for injecting therein an adhesive for fixing the objective lens are provided on a side of the objective lens holding member opposite to a side thereof facing the optical disk and at the cut out portions. An adhesive is filled in a gap between a surface of the edge of the objective lens perpendicular to the optical disk and a portion of the objective lens holding member opposing the surface. A projection member is disposed on a surface of the edge opposing the optical disk and on a side of the gap opposing the optical disk.