Coupling lens and optical information recording/reproducing...

Coupling lens, optical head and optical disc device

Cover member for covering an optical system of an optical head d

Crosstalk Canceler

Crosstalk eliminating method for use in a recorded information r

Crosstalk removing device for use in recorded information reprod

Current amplifier

Current divider-based storage medium

Cutting apparatus for an optical disc

Cutting machine for pits on CD master

Cylindrical medium for storing holographic data and methods...

Damping material

Damping mechanism for a video disc stylus holder

Data erase method for rewritable phase change type recording...

Data erasure device and data recording device using a clock sign

Data loss prevention in a cache memory when the temperature of a

Data overwriting in probe-based data storage devices

Data playback method and device for data recorded as a hologram

Data processing method for a holographic data storage system

Data processing optical head apparatus