| US 7,570,546 B2 | ||
| Optical pick-up and optical disk device | ||
| Kazuyoshi Ishii, Tokyo (Japan) | ||
| Assigned to Canon Kabushiki Kaisha, Tokyo (Japan) | ||
| Filed on Apr. 07, 2006, as Appl. No. 11/399,469. | ||
| Claims priority of application No. 2005-116913 (JP), filed on Apr. 14, 2005. | ||
| Prior Publication US 2006/0233090 A1, Oct. 19, 2006 | ||
| Int. Cl. G11B 7/00 (2006.01) | ||
| U.S. Cl. 369—44.14 | 6 Claims |
| 1. An optical pick-up comprising:
an objective lens for collecting/irradiating laser light onto an optical disk; and
an objective lens holding member for holding the objective lens,
wherein (a) 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 (i) a surface of the edge of the objective lens perpendicular to the optical disk and
(ii) a portion of the objective lens holding member opposing the surface, and (b) a protection member is disposed on a surface
of the edge opposing the optical disk and on a side of the gap opposing the optical disk.
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