Optical information storage
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Citation (published version)Greg Blonder, Arthur Hebard. "Optical information storage." U.S. Patent 4,579,807-A.
An optical disc including a medium having both a continuous phase and a non-continuous phase yields excellent contrast and stability for optical recording purposes. Exemplary of materials that form the desired multi-phase system are those produced by sputtering metals such as indium in an oxygen environment.