Patent ID: 7644421
Filing Date: 2010-01-05
Classification: G11B

Abstract:
1. An optical pickup comprising an actuator base; a dumping gel box fixedly mounted on the actuator base and formed with grooves at approximately central positions on both side surfaces of the dumping gel box with the grooves being open at the top and bottom of the dumping gel box; a connection wiring of a flexible printed circuit formed with a plurality of lands at both end portions thereof, folded in substantially U-shape and brought into contact with a back surface and side surfaces of the dumping gel box to close side openings of the grooves with its both end portions; thermosetting adhesive filled in the grooves and heated to adhere both end portions of the connection wiring to the both side surfaces of the dumping gel box, a lens holder for holding an objective lens for projecting laser beam onto a disk and coils for driving the lens holder by electromagnetic force, and a plurality of elastic wires extending from the lens holder and soldered to the lands of the connection wiring at their end portions; and wherein guide members are provided integrally with the dumping gel box along bottom edges of both side surfaces of the dumping gel box to support the lower edge of the connection wiring, and portions of the guide members opposing to the grooves are cut out to form air discharging holes for communicating the lower end portions of the grooves with outside atmosphere.