Information recording thin film and method for recording information
June 14, 2009. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3530441 Information recording methods using lasers Recording member Optical information recording material Method of forming a data storage medium and data storage device by congruent sublimation Information recording member Reversible optical information recording medium Method of producing optical recording medium Thin film for recording data Information recording medium Patent #: 4670345 InventorsAssigneeApplicationNo. 368060 filed on 06/14/1989US Classes:428/64.6, Protective layer346/135.1, Laminated, impregnated, or coated bases347/264, With record receiver or handling means therefor369/288, Specified material428/209, Including metal layer428/457, Of metal428/913, MATERIAL DESIGNED TO BE RESPONSIVE TO TEMPERATURE, LIGHT, MOISTURE, ETC.430/270.13, Which changes phase during recording430/945LASER BEAMExaminersPrimary: Ryan, PatrickAttorney, Agent or FirmInternational ClassB32B 003/02Foreign Application Priority Data1985-12-27 JPAbstractAn information recording thin film capable of changing an atomic configuration upon exposure to a recording beam, formed on a substrate directly or through a protective layer composed of at least one of inorganic materials and organic materials, an average composition in the film thickness direction of the information-recording thin film being represented by the following general formula;AX BY CZ Ge Teଲwherein X, Y, Z, and ଲ are in ranges of 0ࣘX<30, 0ࣘYࣘ30, 0ࣘZࣘ65, 0ࣘࣘ65, 10ࣘZ+ࣘ65 and 35ࣘଲࣘ60 in atomic percentage, C is at least one element of Sb, Sn, As, Pb, Bi, Zn, Cd, Si, Al, Ga and In; B is at least one element of Tl, halogen elements and alkali metal elements, and A is at least one of other elements than those represented by B and C, and than Ge and Te. |
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