Patent ID: 7388815
Filing Date: 2008-06-17
Classification: G11B

Abstract:
1. A wiring layout structure in an optical head device for performing one or both of reading and writing of signals on a signal recording medium by means of a laser beam irradiated from a laser source, the optical head device including a flexible wiring board for electrical interconnection, the wiring layout structure wherein: a fixture plate is fixed by a screw onto an optical housing of the optical head device at a portion corresponding to where a first signal path portion and a second signal path portion are arranged overlapping one another, the first and second signal path portions being portions of different types of signal paths discretely formed on the flexible wiring board; the fixture plate is composed of a conductive material; and one of the first signal path portion and the second signal path portion is covered by the fixture plate and fixed by a screw onto the optical housing together with the fixture plate, while the other of the first signal path portion and the second signal path portion is hooked in place by a hook provided on the fixture plate, and the fixture plate is interposed between the first signal path portion and the second signal path portion.