| US 7,453,666 B2 | ||
| Magnetic disk drive device and method of manufacturing the same | ||
| Satoshi Yamaguchi, Shatin (Hong Kong Special Administrative Region of the People's Republic of China, The) | ||
| Assigned to SAE Magnetics (H.K.) Ltd., Shatin, N.T. (Hong Kong Special Administrative Region of the People's Republic of China, The) | ||
| Filed on Mar. 01, 2006, as Appl. No. 11/367,150. | ||
| Claims priority of application No. 2005-055375 (JP), filed on Mar. 01, 2005. | ||
| Prior Publication US 2006/0203377 A1, Sep. 14, 2006 | ||
| Int. Cl. G11B 5/012 (2006.01) | ||
| U.S. Cl. 360—97.01 | 13 Claims |
| 1. Magnetic disk drive device comprising:
a housing member having an opening on the front surface thereof;
a cover member for covering the opening portion of the front surface of the housing member;
a head gimbal assembly containing a magnetic head slider and a suspension for supporting the magnetic head slider;
a support arm for supporting the head gimbal assembly;
a magnetic disk provided so as to face the magnetic head slider; and
a motor for rotating the magnetic disk; wherein
the magnetic disk and the motor are mounted in the housing member;
the support arm is freely rotatably mounted in the housing member;
the suspension has a first mark indicating the mount position of the magnetic head slider, and a second mark set at any different
position from the first mark; and
the cover member has a measuring hole through which the first and the second marks are observed from the opposite side to
the support arm mount surface.
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