Patent ID: 6141309
Filing Date: 2000-10-31
Classification: G11B

Abstract:
An optical memory apparatus which receives and reads data from an optical memory medium, comprising:an optical head having a fixed optical part and a movable optical part;a base having an approximately rectangular shape, a recess therein comprising a unitary and integral optical component mounting portion having precision mounting surfaces therein for mounting thereon respective optical components of the fixed optical part and a side wall having a portion at an edge of said base, the side wall defining a boundary of said recess and having an opening therein;holding members holding corresponding said components of said fixed optical part on the respective precision mounting surfaces;a carriage movably mounted on said base and carrying said movable optical part;a light emitter mounted on said base; anda photo-detector mounted on said sidewall and a light beam passing through said opening to the photodetector.