Patent ID: 7587808
Filing Date: 2009-09-15
Classification: G11B,Y10T

Abstract:
1. A method of coupling a voice coil motor of a hard disk drive to a bowl-type base plate having a first support portion that protrudes to a predetermined height, the method comprising: attaching a lower yoke of a voice coil motor to the bowl-type base plate at a first point and a second point; assembling an arm of the voice coil motor to a pivot shaft; inserting a countersunk head screw into a countersink formed in the lower yoke of the voice coil motor; coupling the countersunk head screw to a screw coupling hole provided in the first support portion of the bowl-type base plate to attach the lower yoke to the bowl-type base plate; and coupling an upper yoke of the voice coil motor to the attached lower yoke by respectively inserting bosses protruding from the bowl-type base plate into boss insertion holes formed in each of the lower and upper yokes.