Seagate Technology Incorporated

Sung-joon Han

Kyung-ho Kim

Kwang-jo Jung

Dong-ho Oh

Ha-yong Kim

A hard disk drive includes a housing including a base member and a cover member, a spindle motor disposed in the housing, a data storage disk disposed on the spindle motor, an actuator disposed in the housing to move a read/write head to a position on the data storage disk, a clock signal providing unit disposed on the data storage disk to provide a clock signal of the data storage disk, a position signal providing unit disposed on the actuator to provide a position signal of the actuator, and first and second windows disposed in the housing to correspond to the clock signal providing unit and the position signal providing unit.

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Seoul, South Korea

Sung-joon Han