| 摘要 |
<p>A camera module that can be used in small-sized electronic apparatuses such as digital cameras, camera-equipped cellular phones is provided. The camera module includes a lens unit which constitutes an optical system of the camera module; a holder which houses the lens nit and is displaceable along an optical axis direction of the lens unit; a coil provided on the holder; a yoke and magnets provided in the yoke for providing a magnetic field to the coil; at least one leaf spring for supporting the holder; and an imaging element provided below the lens unit. The at least one leaf spring includes an outer annular portion which is attached to the yoke, an inner annular portion which is provided inside the outer annular portion though a predetermined spacing and is attached to the holder, and a plurality of bridge portions which are coupled between the outer annular portion and the inner annular portion so as to resiliently support the inner annular portion with respect to the outer annular portion. Each of the bridge portions has an outer annular portion side base part and an inner annular portion side base part, and is provided so as to extent between an inner peripheral edge of the outer annular portion and an outer peripheral edge of the inner annular portion, wherein the outer annular portion of the leaf spring is welded to the top surface of the yoke by means of a laser welding method.</p> |
