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US Patent Application 20090268586 - Objective Lens Unit and Optical Pickup Apparatus
Abstract textAn objective lens unit for use in an optical pickup device, includes: a first lens section; a first flange section positioned peripheral of the first lens section; and a support section which supports a second objective lens having a second lens section provided in parallel to the first lens section with an optical axis different from that of the first lens section, wherein the first lens section, the first flange section and the support section are integrally formed. | InventorsUS Classes369/112.23, Particular lens359/811, With support359/813Lens movable in its planeAttorney, Agent or FirmForeign Documents
International ClassesG11B 7/135G02B 7/02 |
