Optical pickup device and manufacturing method thereof

An optical pickup device comprising:

• at least one optical parts module;
• an optical pickup case having said optical parts module fixed thereon by an adhesive;
• and
• a flexible printed circuit board connected to said optical parts module;
• wherein said optical parts module includes an adhering face confronting said optical pickup case, on at least two portions across the optical axis of said optical parts module;
• wherein said optical pickup case includes an adhering face, at a position that confronts the adhering face of said optical parts module;
• wherein the adhering face of said optical parts module has at least one of a concave portion and a convex portion;
• and
• wherein a heat-conductive adhesive is applied to at least one face of said optical parts module other than said adhering face of said optical parts module.