Patent ID: 6098641
Filing Date: 2000-08-08
Classification: B08B,F16F,H01L,H02K,Y10S

Abstract:
An apparatus for processing a microelectronic workpiece, the apparatus comprising:a frame;a processing bowl in fixed alignment with the frame, the processing bowl defining a processing chamber;a microelectronic workpiece support structure adapted to support at least one microelectronic workpiece, the microelectronic workpiece support being mounted for rotation within the processing chamber;a motor drive assembly disposed exterior to the processing chamber and connected to rotate the microelectronic workpiece support, the motor drive assembly comprisingan electrically driven motor including a rotor shaft that rotates about an axis of rotation, anda shock absorbing member connected between the electrically driven motor and the frame, the shock absorbing member being adapted to elastically deform in substantially all directions perpendicular to the axis of rotation of the rotor shaft in response to vibrational forces having components perpendicular to the axis of rotation.