Dynamic information storage or retrieval – With servo positioning of transducer assembly over track... – Optical servo system
Reexamination Certificate
2007-11-13
2007-11-13
Hindi, Nabil (Department: 2627)
Dynamic information storage or retrieval
With servo positioning of transducer assembly over track...
Optical servo system
C369S126000
Reexamination Certificate
active
11003301
ABSTRACT:
The present invention discloses an XY platform device with nanoscale precision including an optical pickup head for focusing and seeking the tracks of an optical data storage medium; a servo device for driving the optical pickup head to move in focusing and radial directions; a carrier platform for receiving a testing object thereon and providing a connecting member to be connected with the optical pickup head. With the focusing and radial movements of the optical pickup head, the carrier platform is driven to move accordingly, and thus achieving the high-precision and low-cost effects.
REFERENCES:
patent: 6658922 (2003-12-01), Leigh et al.
Chen Yu-Zen
Hsiao Wen-Yi
Lin Gian-We
Lu Tian-Sen
Tsai Hsi-Hsun
Apex Juris pllc
Heims Tracy M.
Hindi Nabil
National Taipei University of Technology
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