Micro-driving mechanism and method for manufacturing the same,Optical pickup head and method for manufacturing the same

PURPOSE: An apparatus for finely correcting a focus length is provided to improve uniformity of a focus shape and reduce the volume of an optical system. CONSTITUTION: An apparatus for finely correcting a focus length includes an upper plate(11) having an actuating hole, an upper fixed electrode(21)...

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Bibliographische Detailangaben
1. Verfasser:	YEE YOUNG JOO
Format:	Patent
Sprache:	eng
Schlagworte:	INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER PHYSICS
Online-Zugang:	Volltext bestellen
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