Solid immersion lens, condensing lens, optical pickup...

Solid immersion lens, focusing lens using solid immersion...

Solid immersion mirror type objective lens and optical...

Solid state electro-optical track follower array

Sound recording

Spare and calibration sector management for optical WORM media

Spatial light modulator for holographic data storage

Spatially-spectrally swept optical memories and addressing...

Spatially-spectrally swept optical memories and addressing...

Spatially-spectrally swept optical memories and addressing...

Spherical abberation compensator and optical pickup using...

Spherical aberration correction apparatus

Spherical aberration correction control device and optical...

Spindle control circuit of optical disk drive

Spinel video disc playback stylus

Spinning disc volume holographic memory

Spinning disc volume holographic memory

Spinning disc volume holographic memory

Split photo detector for detecting a central portion and a perip

Split tubular member for coupling a tonearm to a speaker cone