| 摘要 |
<p>An optical pickup device comprising an optical pickup (10) that guides a laser beam from a semiconductor laser to an optical disk (2) mounted on a turn table (1), guides a light returning from the optical disk (2) to a light receiving element, and can be moved in a tracking direction A, a protection cover (30) interposed between the optical disk (2) mounted on the turn table (1) and the optical pickup (10) to protect the optical pickup (10), and a plastic heat conducting material (40) connected with the optical pickup and the protection cover (30) to conduct heat from the optical pickup (10) to the protection cover (30), whereby the radiation structure of an optical pickup device small in size, light in weight, low in cost and good in radiation performance is provided.</p> |
