专利名称：Method for detecting fire发明人：Shevlin, Craig Martin申请号：EP83302973.9申请日：19830524公开号：EP0097430B1公开日：19880720
摘要：An optical data storage system is contemplated, one employing a data-modulated writing laser beam and a non-erasing reading laser beam (L) of
predetermined wavelength. Improved optical media for such systems are described,these characterized by multiple layers whose optical characteristics and thickness arechosen to accommodate a prescribed writing and reading energy and wavelength and soprovide an anti-reflection condition for unrecorded portions of the medium and arelatively higher reflectivity for recorded portions. A preferred optical medium includes ahighly reflective aluminum layer (3), a relatively transparent polymer spacer layer (4)overlying the reflective layer, and an absorber layer (5) overlying the nucleation layer, theabsorber layer (5) being rendered in an island configuration, adapted to be so affectedby the contemplated write beam as to \"agglomerate\" and better transmit the readbeam.
申请人：UNISYS CORPORATION
代理机构：Kirby, Harold Douglas Benson
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