Patent ID: 7440385

Claim:
An optical pickup device comprising: a photodetector which receives laser light reflected from a disc, a housing in which the photodetector is housed, and a flexible substrate through which a signal of the photodetector is transmitted, wherein the photodetector comprises a photo receiver on which the laser light is irradiated and a protective member which protects the photo receiver and to which an adhesive is applied, the housing comprises a fixing member which is provided corresponding to the protective member and to which an adhesive is applied; the flexible substrate includes a clearance portion that serves to keep away from the fixing member of the housing when the flexible substrate is mounted on the housing, the flexible substrate is mounted onto the housing while keeping away from the fixing member by the clearance portion, the photodetector is attached to the flexible substrate, and is directly attached to the housing by an adhesive applied to the protective member and the fixing member.