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| Application No. | Application Title | Issue Date |
| 20100014410 | OPTICAL PICKUP AND OPTICAL DISK DEVICE An optical pickup includes: a light source that emits a light beam; an object lens that condenses the light beam on a target recording layer of an optical disk; a lens moving unit; a condensing lens; a hologram element that diffracts, in diffracting a reflected light be... | 01/21/2010 |
