Optical & High Frequency Parts

Optical pickup for playback concentrates the laser beam to the spot with a diameter of 1.6 micro meter or less through lens, and focuses it on the disk and converts the reflected light to the electric signal. Optical pickup for recording can record a data swiftly to the disk, utilizing the technology of high-powered laser and accurate pulse control and this also has the playback function. Thus, optical pickups are the typical ultra-precision components for the removable memory media, which requests optical, mechanical and electrical high accuracy/ stability.

SAW (Surface Acoustic Wave) filter is high efficiency device which allow only specified frequency to pass, and is the essential component of the mobile telephone and thus indispensable in the IT era. Currently, we developed the SAW-module or the SAW-unit for the next stage.