Patent ID: 9076494
Filing Date: 2015-07-07
Classification: G11B

Abstract:
1. An optical pickup, comprising: a housing; an optical element mounted on said housing by fixing onto wall surfaces of said housing via adhesive agents on both ends of a certain single surface of said optical element; an objective lens for focusing light onto an optical disc to be mounted; and a protrusion portion protruding orthogonal from said wall surfaces toward the optical element, the protrusion portion being positioned between said wall surfaces; wherein, the objective lens for focusing light to the optical disc from an upper side thereof, and a reverse side is defined as a lower side thereof; convex portions in contact with a lower side surface of the optical element are formed on a bottom surface of the housing which is orthogonal to said wall surfaces of the housing; the protrusion portion protruding from the housing is disposed at a position which is opposed to an upper surface of the optical element; and a front end of said protrusion portion protrudes more than said adhesive agents in a direction away from said wall surfaces.