Patent ID: 8146434
Filing Date: 2012-04-03
Classification: G11B

Abstract:
1. An apparatus for measuring a vibration characteristic of a head gimbal assembly having a shaker head to which the head gimbal assembly is attached, comprising: the shaker head including a main body made of light material and a fixture solidly joined with the main body, the main body comprising a boss formed thereby and the fixture comprising a joint shaft formed thereby and protruding therefrom, the joint shaft being directly engaged with the boss of the shaker head; a mount block configured to hold the head gimbal assembly, the mount block be positioned and attached to the fixture; positioning parts formed on the fixture and the mount block, respectively, the positioning parts being positioned with each other to position the mount block to the fixture; and a joining part provided on the fixture and a joined part provided on the mount block, the joined part of the mount block being removably joined with the joining part of the fixture to detachably attach the mount block to the fixture.