Patent ID: 8136131
Filing Date: 2012-03-13
Classification: G11B,Y10T

Abstract:
1. An optical pickup comprising: an actuator having an objective lens; and an optical base on which the actuator is supported, wherein the actuator includes a yoke having an opening, a first straight section and an opposing second straight section, the opening being interposed between the first and second straight sections, the first and second straight sections having a first bent section and a second bent section, respectively, as an extension of each bent section, tne yoke being formed as coving the actuator with the first and second straight sections so that the objective lens is exposed through the opening without being obstructed by the optical base, the first bent section having a first contact section, the second bent section having a second contact section and a third contact section, and the optical base includes an ark-like support section to support the actuator, wherein the first contact section has a first protrusion at an end thereof and each of the second and third contact sections has a corner section or a second protrusion at an end of each contact section, whereby the optical base supports the actuator in such a way that the first protrusion and the corner section or the first and second protrusions are made to have contact with the ark-like support section.