Method and apparatus for aberration correction

Details Method and apparatus for aberration correction Method and apparatus for aberration correction

2006-04-25

2006-04-25

Korzuch, William (Department: 2653)

Dynamic information storage or retrieval

With servo positioning of transducer assembly over track...

Optical servo system

C369S044260, C369S044410, C369S044380, C369S053190, C369S053280, C369S116000

Reexamination Certificate

active

07035177

ABSTRACT:
In a method and an apparatus for aberration correction according to the invention, aberration occurring in recording/reproducing information derived from causes such as thickness variation of a substrate, a tilt, a focus error and a tracking error is detected, and the aberration is corrected by correcting these causes.

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