Optical pick up head

An optical pick-up head for reading information from a data storage medium, the pick-up head including a VCSEL for emitting a beam of light with a focusing element for directing the beam of light onto the data storage medium and a light receiving element for receiving light reflected from the data s...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	MICHAEL S. LEBBY, JIANG WENBIN
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS DEVICES USING STIMULATED EMISSION ELECTRICITY INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER PHYSICS
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Beschreibung
Zusammenfassung:	An optical pick-up head for reading information from a data storage medium, the pick-up head including a VCSEL for emitting a beam of light with a focusing element for directing the beam of light onto the data storage medium and a light receiving element for receiving light reflected from the data storage medium and tracking element for positioning the beam.\!