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1Patent Jurisdiction
Patent Number
Patent Inventor Names
Seong Yun Jeong1
Date of Patent
August 22, 2006
1Patent Application Number
101223251
Date Filed
April 16, 2002
1Patent Primary Examiner
Patent abstract
The present invention relates to an optical pickup apparatus enabling to reproduce/record data of different kinds of disks in different thicknesses, using one single optical pickup. The optical pickup apparatus includes two objective lens, in which one objective lens has an incident plane and an outgoing plant formed of a flat plane at a designated radius domain from an optical axis, thereby preventing spherical aberration caused by the difference of the thickness between different kinds of disks.
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