Patent ID: 7322094
Filing Date: 2008-01-29
Classification: G11B,Y10T

Abstract:
1. A method for manufacturing a head stack assembly of a disk drive unit, comprising: forming a first head arm assembly wherein the first head arm assembly is formed by: forming a second head arm assembly wherein the second head arm assembly is formed by: forming a second head gimbal assembly, a second drive arm and a voice coil; and coupling the second head gimbal assembly, the second drive arm and the voice coil together; and assembling the first and second head arm assemblies together; wherein forming the second head arm assembly further comprises forming a flexible printed circuit assembly thereon wherein the flexible printed circuit assembly is formed by: forming a flexible printed circuit having at least one alignment hole and a connection leg with two voice coil pads and a grounding pad thereon; forming a connector; and coupling the flexible printed circuit with the connector together; and forming the second drive arm comprises forming a grounding pin and two connection pins thereon.