Patent ID: 7042675
Filing Date: 2006-05-09
Classification: G11B

Abstract:
1. A hermetically sealed hard disk drive comprising: an integrated base, including a substrate having a front surface and a back surface, a top portion and a bottom portion, a plurality of spiral conductor patterns, a plurality of MR stripes, and a conductor interconnect pattern for at least one IC and at least one connector; a shaft having a cylindrical axis substantially perpendicular to said front surface of said substrate; a spindle assembly wherein at least one spindle is mounted to said shaft to rotate about said cylindrical axis of said shaft, and said spindle assembly includes at least one magnetic disk and at least one rotor assembly, and said at least one magnetic disk and said at least one rotor assembly are assembled in combination with at least one bearing; an actuator assembly wherein actuator assembly is mounted to said bottom portion of said integrated base, and each actuator assembly includes at least one actuator arm assembly, and a least one permanent magnet, and said at least one actuator arm and said at least one permanent magnet are assembled in combination with at least one bearing; and a housing, wherein said top portion and said bottom portion of said integrated base are separated and assembled and bonded to said housing to form a hermetically sealed chamber containing said actuator assembly and said spindle assembly, and wherein said at least one permanent magnet interacts with said plurality of spiral patterns to provide a torque to said spindle assembly.