| http://www.w3.org/ns/prov#value | - onMulti-layer optical diskUS5793407 *Jul 27, 1995Aug 11, 1998Samsung Electronics Co., Ltd.Method and apparatus for forming a light spot smaller than a theoretical limit for high density recordingUS5822135 *May 1, 1996Oct 13, 1998Samsung Electronics Co., Ltd.Lens device including a light controlling mechanism and an optical pickup apparatus using a lens deviceUS5822292 *May 3, 1996Oct 13, 1998Thoms
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