Samsung Electro-Mechanics Co., Ltd.

Chil Sung Lee

Tae Heon Kim

Jae Kyung Kim

Jun Kun Choi

Nam Seok Kim

Dong Won Choi

Joon Ho Kim

The invention relates to an optical disk drive, and more particularly, to a holder for disk drives having an improved chuck structure for seating a disk. The holder of the invention, in use, is inserted into a central opening of a disk for detachably seating the disk, and comprises: a circular hub projected upward and sized equal to the central opening of the disk; a chuck projected from a lateral portion of the hub, wherein the chuck includes a rear portion elastically connected with the hub, a peak formed in a front portion of the chuck and a lower circular face of a curvature extended downward from the peak; and a support formed integral with the hub for contacting the lower circular face of the chuck to enable circular motion of the chuck.

Holder for disk drives

A reflecting mirror tilting actuator comprises a base having an inner space defined therein, a mirror holder having a fixing part fixed to the base and a horizontal part integrally connected with the fixing part by a resilient connection part, the mirror holder being provided with at least one resilient member for resiliently supporting the reflecting mirror upward, a mirror supporting unit having a cover attached to the horizontal part and a mirror stopper disposed between the horizontal part and the cover, a tilting unit having an actuating member whose upper end comes into contact with the horizontal part and a tilting stopper whose upper end comes into contact with the horizontal part, and a horizontal adjusting unit having at least one adjustment screw, whose lower end contacts the mirror stopper through at least one adjustment hole formed at the cover, for adjusting flatness of the reflecting mirror.

Actuator for tilting reflecting mirror of digital micromirror device for digital light processing type projection

The present invention relates to a spindle motor employed for a disk player. The spindle motor comprises: a deck plate; a shaft rotatably disposed on the deck plate; a stator having a core wound with coils which is disposed on the outer peripheral surface of the shaft and generates a magnetic force; a magnet which is provided at the upper part of the stator and generates a magnetic force; a cap type rotor which is coupled to the upper end of the shaft integrally with the shaft so as to be located at the upper part of the pulling magnet and the stator and is provided on the upper part with a track having a different height from another; a magnet which is disposed on the inner peripheral surface of the rotor so that it can be opposed to the core of the stator with an air gap therebetween; and a turntable which is disposed on the upper surface of the rotor integrally with the rotor and mounts a disk.

Growing community of inventors

Kyungki-do, South Korea

Chil Sung Lee