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    • 11. 发明申请
    • Optical disk and method of producing the same
    • 光盘及其制造方法
    • US20050058801A1
    • 2005-03-17
    • US10938195
    • 2004-09-10
    • Koji TsujitaKenji OishiKatsunori Ohshima
    • Koji TsujitaKenji OishiKatsunori Ohshima
    • B41M5/00G11B7/24G11B7/26
    • G11B7/24038G11B7/266
    • An optical disk has a first intermediate disk structure and a second intermediate disk structure. The first intermediate disk structure has at least a first optically-transparent substrate and a first recording layer, laminated in order. The second intermediate disk structure has at least a second substrate, a reflective layer, a second recording layer and an optically-transparent-resin thin-film layer, laminated in order. The second recording layer has an organic dye soluble in an alcohol solution or a Cellosolve solution. The optically-transparent-resin thin-film layer has a thermoplastic resin that is softened and deformed at a particular temperature or lower at which the organic dye of the second recording layer is decomposed when absorbing an irradiated laser beam in recording. The first and the second intermediate disk structures are stuck to each other via an optically-transparent adhesive layer as the first recording layer and the optically-transparent-resin thin-film layer face each other via the adhesive layer in which the optically-transparent-resin thin-film layer directly comes into contact with the adhesive layer.
    • 光盘具有第一中间盘结构和第二中间盘结构。 第一中间盘结构具有至少第一透光性基板和第一记录层,依次层叠。 第二中间盘结构具有依次层叠的至少第二基板,反射层,第二记录层和光学透明树脂薄膜层。 第二记录层具有可溶于醇溶液或溶纤剂溶液的有机染料。 光学透明树脂薄膜层具有在记录时吸收照射的激光束时第二记录层的有机染料分解的特定温度以下的特定温度下软化变形的热塑性树脂。 第一和第二中间盘结构通过光学透明的粘合层彼此粘合,作为第一记录层,并且光学透明树脂薄膜层经由光学透明树脂薄膜层的粘合层彼此面对, 树脂薄膜层直接与粘合剂层接触。
    • 12. 发明授权
    • Optical element, optical control method and device using this optical element, and method of manufacturing optical element
    • 光学元件,使用该光学元件的光学控制方法和装置以及光学元件的制造方法
    • US06452710B1
    • 2002-09-17
    • US09485058
    • 2000-02-03
    • Takashi HiragaTetsuo MoriyaNorio TanakaHiromitsu YanagimotoIchiro UenoKoji Tsujita
    • Takashi HiragaTetsuo MoriyaNorio TanakaHiromitsu YanagimotoIchiro UenoKoji Tsujita
    • G02F103
    • G02F1/293G02F1/0147
    • An optical element, optical control device and optical control method are provided which demonstrate a large, rapid optical response using a laser light of low output as a control light. A signal light 1 is emitted from an optical source 1. A signal light 2 emitted from an optical source 2. A control light and the signal light are converged by a condenser lens 7, and irradiate an optical element 8. Only the signal light is detected by a photodetector 22 through a light receiving lens 9 and a wavelength selection filter 20. A thermal lens is formed reversibly in the optical element and switching the control light ON and OFF modulates the intensity of the signal light. The optical element has a laminar structure comprising a heat transfer film/heat insulation film/light absorption film/heat insulation film/heat transfer film, for example, and a sufficiently large and rapid optical response is obtained using low output laser light as the control light by adjusting the thickness of the light absorption film so that it does not exceed twice the confocal length of the converged control light.
    • 提供了一种光学元件,光学控制装置和光学控制方法,其显示了使用低输出的激光作为控制光的大而快速的光学响应。 从光源1发射信号光1.从光源2发射的信号光2.控制光和信号光由聚光透镜7会聚,并照射光学元件8.只有信号光是 通过光接收透镜9和波长选择滤光器20由光电检测器22检测。热透镜在光学元件中可逆地形成,并且控制灯的ON和OFF切换调制信号光的强度。 例如,光学元件具有包括传热膜/隔热膜/光吸收膜/隔热膜/传热膜的层状结构,并且使用低输出激光作为控制来获得足够大且快速的光学响应 通过调节光吸收膜的厚度使得其不超过会聚控制光的共焦长度的两倍。