| 摘要 |
A bobbin support structure of an actuator for an optical pickup unit is provided to coat a bonding agent for coupling a wire spring and a bobbin within a bonding chamber by constant quantity. A yoke plate(20) is prepared at a side of a holder(24). A bobbin(30) is installed on the yoke plate. The bobbin includes an object lens(32) for concentrating light emitted from a light source on a signal recording surface of a disc, and further includes a fixing protrusion(40) where a bonding chamber(42) is opened toward an upper surface of the fixing protrusion. One end of a wire spring(34) is fixed to the holder and the other end of the wire spring is coupled to the bobbin by a bonding agent through the bonding chamber of the fixing protrusion so that the wire spring supports the bobbin on the yoke plate. |
