Hard disk drive and wireless data terminal using the same

Details Hard disk drive and wireless data terminal using the same Hard disk drive and wireless data terminal using the same

2006-09-29

2010-06-08

Evans, Jefferson (Department: 2627)

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Disk record

Reexamination Certificate

active

07733600

ABSTRACT:
A hard disk drive is provided with a platter, a spindle motor for driving the platter, an arm with a magnetic head attached to a distal end thereof, a voice coil motor for driving the arm, a first circuit substrate, and a drive casing for accommodating and electrically shielding the platter, spindle motor, arm, voice coil motor, and first circuit substrate. The first circuit substrate has a multilayer substrate, a plurality of digital ICs that are embedded as bare chips in the multilayer substrate, and a bus line for connecting the digital ICs. The digital ICs are disposed in a mutually horizontal configuration.

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