Patent ID: 6859325

Claim:
An optical pickup device, comprising: an objective lens driving device which, by causing the magnetic force of a magnet to act on a coil member, drives a moveable portion on which is provided said coil member, causing to move an objective lens provided on said moveable portion; and a slide base, on which is fixed a stationary portion which supports said moveable portion of said objective lens driving device, and at least one portion of which is formed from non-magnetic material, wherein wherein said moveable portion has two printed coil boards on which are formed printed coils, said magnet is positioned between said two printed coil boards, and said magnet is directly fixed onto said slide base, wherein said slide base has a circuit core, comprises a conductor forming an electrical circuit which supplies electric current to said objective lens driving device, and an outer foundation, comprising an insulator, on which said objective lens driving device is installed, and wherein by covering said circuit core with said outer foundation while exposing a portion of said circuit core, a circuit exposure portion which affords exposure for electrical connections is provided on said electrical circuit.