Disk drive

Details Disk drive Disk drive

2006-11-14

2006-11-14

Young, Wayne (Department: 2627)

Dynamic information storage or retrieval

With servo positioning of transducer assembly over track...

Optical servo system

C720S681000, C359S814000, C359S824000

Reexamination Certificate

active

07136331

ABSTRACT:
An optical pick-up includes a lens holder and a lens holder supporting portion. The lens holder has a focusing coil, a tracking coil, and a pair of nickel plates arranged to sandwich the focusing coil from the top and the bottom. The lens holder supporting portion includes a pair of permanent magnets having their magnetic poles of the same polarity opposite to each other and sandwiching the lens holder as seen in two dimensions. A sidewall of a slide hole is pressed against a slide shaft. Thus, a disk drive which can suppress a jerky motion of the lens holder when it moves along the slide shaft with a simple mechanism is provided.

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