Guide shaft height adjustment mechanism and disc drive...

Guide shaft tilt adjusting apparatus for optical disc player

Head driving device and disk apparatus

Height adjustment device suitable for use in an optical disk...

Lead screw adjustment structure of disc drive

Lens actuator, optical pickup device, and optical recording...

Lens drive apparatus

Lens drive device having metal wire-like elastic members,...

Lens driving apparatus

Magnet for actuator, actuator, and magnetizing device

Magnetic circuit, optical pickup actuator, optical recording...

Memory device

Method of fixing a laser diode to an optical base and...

Micro-actuator structure for improved stability

Object lens actuator and disc drive using the same

Object lens driving device and optical head having the same

Objective lens actuator and a disc apparatus applying the...

Objective lens actuator and optical pickup device

Objective lens actuator and optical pickup unit employing...

Objective lens drive apparatus with objective lens portion...