Optical pickup device and optical disk device

Details Optical pickup device and optical disk device Optical pickup device and optical disk device

2007-04-03

2007-04-03

Ben, Loha (Department: 2873)

Optical: systems and elements

Lens

With support

C359S813000, C359S824000, C369S044150, C369S044160

Reexamination Certificate

active

10673550

ABSTRACT:
The present invention provides an optical pickup device comprising a light condensing means for condensing light emergent from a light source to an optical disk, a light condensing holder on which the light condensing means is mounted, a suspension holder for elastically supporting the light condensing holder, a focus coil mounted on the light condensing holder, a tracking coil mounted on the light condensing holder, and a magnetic field impression means for impressing a magnetic field upon the focus coil and the tracking coil, wherein the tracking coil is composed of a first to a third tracking coil portion combined with each other.

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