Patent ID: 8077587
Filing Date: 2011-12-13
Classification: G11B

Abstract:
1. A laser attachment device which is installed in a housing of an optical pick-up device and which emits a laser beam, the laser attachment device comprising: a LD package having a light emitting chip built therein for emitting the laser beam, the LD package having a first side surface and a second side surface extending in a direction in which the laser beam is emitted; and a LD holder which has a shape of a frame body in which the LD package is housed and which has a first inner wall and a second inner wall inclined with respect to an optical axis of the optical pick-up device, wherein the first side surface of the LD package is brought into contact with any one of the first inner wall and the second inner wall of the LD holder, and the second side surface of the LD package is spaced away from the other one of the first inner wall and the second inner wall of the LD holder.