Patent ID: 7782737
Filing Date: 2010-08-24
Classification: G11B

Abstract:
1. An optical integrated unit comprising: a light guiding section for guiding a light beam, emitted from a light source and reflected by a recording medium, to a light receiving element in a light receiving unit; and a second support substrate, provided between the light source and the light guiding section, for fixing the light source and the light guiding section, the light receiving unit having a cover glass on a light incidence surface of the light receiving element; the light guiding section having a contact surface which faces the light source, the second support substrate having a surface which contacts the contact surface of the light guiding section and has a depressed region, the light source being adhered to a first support substrate so as to face a substrate adhering region of the contact surface of the light guiding section, such that the substrate adhering region does not face the depressed region; the light receiving unit being provided inside the depressed region; the cover glass of the light receiving unit being directly adhered to a light receiving unit adhering region of the contact surface of the light guiding section, the light receiving unit adhering region facing the depressed region.