OBJECTIVE LENS FOR OPTICAL PICKUP

PROBLEM TO BE SOLVED: To provide an objective lens for an optical pickup which can be reduced in the weight of a lens unit being a moving section of an optical pickup device and can be stabilized in an objective lens during high-speed access. SOLUTION: The objective lens 2 for the optical pickup hav...

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Bibliographische Detailangaben
Hauptverfasser:	MEGURO FUMIHITO, TAKADA YOSHISUE
Format:	Patent
Sprache:	eng
Schlagworte:	INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHYSICS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide an objective lens for an optical pickup which can be reduced in the weight of a lens unit being a moving section of an optical pickup device and can be stabilized in an objective lens during high-speed access. SOLUTION: The objective lens 2 for the optical pickup having a flange 3 integrally formed at the circumference of an optical function section 5 is provided with a buffer section 4 for protecting the optical function section 5 at the front end of the flange 3 formed on an optical disk 7 side. COPYRIGHT: (C)2003,JPO