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    • 1. 发明专利
    • Plasmon evaluation method, plasmon evaluation device, plasmon waveguide system, and optical pickup
    • PLASMON评估方法,PLASMON评估装置,PLASMON WAVEGUIDE系统和OPTICAL PICKUP
    • JP2014130356A
    • 2014-07-10
    • JP2013272885
    • 2013-12-27
    • Toshiba Corp株式会社東芝Tokyo Institute Of Technology国立大学法人東京工業大学
    • TODORI KENJIMINAMI FUJIOOGAWA YOSHIHIROYAMAGIWA MASAKAZUYAMADA HIROSHIMARUYAMA MIHO
    • G02B6/12G01M11/00G02F1/01G11B7/135
    • G01N21/658G01N2021/656
    • PROBLEM TO BE SOLVED: To provide a plasmon waveguide system that can detect plasmon waveguide signals of selected plasmon waveguides in the order of submicron meter to nano meter, or can convert the plasmon waveguide signal into a propagation light signal in a propagation optical waveguide.SOLUTION: The plasmon waveguide system comprises: a plasmon waveguide guiding a plasmon signal; a light generating film arranged close to the plasmon waveguide, and generating light or Raman scattered light when irradiated with excitation light; a semiconductor layer arranged on a light generating film side opposite to the plasmon waveguide, and generating either a metal phase or an insulation phase on the light generating film side according to a voltage applied; a pair of electrodes for applying the voltage to the semiconductor layer; an excitation light generation unit generating the excitation light; and a propagation optical waveguide arranged on a side of the semiconductor layer opposite to the light generating film, and converting the plasmon signal into propagation light and propagating the light.
    • 要解决的问题:提供等离子体波导系统,其可以以亚微米到纳米级的顺序检测所选等离子体波导的等离子体波导信号,或者可以将等离子体波导信号转换成传播光波导中的传播光信号。 :等离子体波导系统包括:引导等离子体信号的等离子体波导; 靠近等离子体波导布置的发光膜,当用激发光照射时产生光或拉曼散射光; 配置在与所述等离子体激元波导相反的发光膜侧的半导体层,根据所施加的电压在所述发光膜侧产生金属相或绝缘相; 用于将电压施加到半导体层的一对电极; 产生激发光的激发光产生单元; 以及布置在与所述发光膜相对的所述半导体层侧的传播光波导,并且将所述等离子体信号转换为传播光并传播所述光。
    • 2. 发明专利
    • Near-field optical waveguide device, method of manufacturing the same, and near-field light modulator
    • 近场光波导装置及其制造方法和近场光调制器
    • JP2011053531A
    • 2011-03-17
    • JP2009203662
    • 2009-09-03
    • Toshiba Corp株式会社東芝
    • HOTTA YASUYUKITODORI KENJIYOSHIMURA REIKOMARUYAMA MIHOYAMADA HIROSHIYAMAGIWA MASAKAZUTADA TSUKASAMORI SHIGEHIKO
    • G02B6/12G02B6/13
    • PROBLEM TO BE SOLVED: To prevent reduction in transmission efficiency of near-field light as much as possible. SOLUTION: The near-field light waveguide device includes: a near-field light waveguide part 4 made of a composite of a three-dimensional continuous structure of metal and inorganic oxide; a near-field light-exciting part 6 for introducing near-field light to one end of the near-field light waveguide part; and a near-field light output part 8 for outputting near-field light from the other end of the near-field light waveguide part. The near-field light waveguide part 4 is made of a composite of metal and inorganic oxide. Preferably, the near-field light waveguide part 4 has a high-density structure of 70≤a≤95 and 5≤b≤30 in order to acquire a high guided wave efficiency. Here, a is a ratio of oxide (vol.%), and b is a ratio of metal (vol.%). COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:为了尽可能地防止近场光的传输效率的降低。 解决方案:近场光波导器件包括:由金属和无机氧化物的三维连续结构的复合材料制成的近场光波导部分4; 用于将近场光引入近场光波导部的一端的近场光激励部6; 以及用于从近场光波导部的另一端输出近场光的近场光输出部8。 近场光波导部4由金属和无机氧化物的复合体构成。 优选地,近场光波导部分4具有70≤a≤95和5≤b≤30的高密度结构,以获得高的导波效率。 这里,a是氧化物的比例(体积%),b是金属的比例(体积%)。 版权所有(C)2011,JPO&INPIT
    • 6. 发明专利
    • Optical recording medium
    • JP2004127391A
    • 2004-04-22
    • JP2002288060
    • 2002-09-30
    • Toshiba Corp株式会社東芝
    • TODORI KENJI
    • G11B7/24
    • PROBLEM TO BE SOLVED: To provide a high-density optical recording medium by using techniques other than the methods practiced heretofore, such as making the wavelength of a laser beam shorter and making the numerical aperture of a condenser optical system higher. SOLUTION: The optical recording medium is provided with a substrate 22 having first and second major faces, a recording layer 23 disposed on the second major face of the substrate 22 and a periodic structure layer 21 disposed on the first major face. Here, the "first major face" is the surface existing on an optical head assembly 1 side and the "second major face" is a major face (rear surface) of the substrate 22 facing the first major face. The "periodic structure layer 21" is constituted by two-dimensionally periodically arranging micropatterns consisting of a material of the refractive index different from the refractive index of the substrate 22 with a pitch of about the wavelength of light within the plane parallel to the first major face. COPYRIGHT: (C)2004,JPO
    • 9. 发明专利
    • Near-field interaction control element
    • 近场互动控制元件
    • JP2007328188A
    • 2007-12-20
    • JP2006160063
    • 2006-06-08
    • Toshiba Corp株式会社東芝
    • TODORI KENJIMARUYAMA MIHOYOSHIMURA REIKOAIGA FUMIHIKOTADA TSUKASAYAMADA HIROSHI
    • G02F1/01
    • G02F1/0118B82Y20/00G02F1/0333G02F2202/36Y10S977/778Y10S977/81Y10S977/901
    • PROBLEM TO BE SOLVED: To provide a near-field interaction control element which efficiently controls the near-field interaction and drastically changes the dielectric constant.
      SOLUTION: The near-field interaction control element is provided with: a near-field light waveguide part including a plurality of fine particles which are formed with metal, metal anion or metal cation, have diameters of 0.5 to 3 nm and dielectric constants of -2.5 to -1.5; an electron injection/discharge part which performs injection or discharge of electrons among the plurality of fine particles included in the near-field light waveguide part and changes dielectric constant of the near-field light waveguide part; a near-field light introduction part which introduces the near-field light to the near-field light waveguide part; and a near-field light emission part which emits the near-field light waveguided through the near-field light waveguide part.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供有效控制近场相互作用并大大改变介电常数的近场相互作用控制元件。 解决方案:近场相互作用控制元件设置有:包括由金属,金属阴离子或金属阳离子形成的多个细颗粒的近场光波导部分,具有0.5至3nm的直径和电介质 -2.5〜-1.5的常数; 电子注入/放电部分,其在包括在近场光波导部分中的多个微粒之间执行电子的注入或放电,并改变近场光波导部分的介电常数; 近场光引入部,其将近场光引入到近场光波导部; 以及射出通过近场光波导部分波导的近场光的近场光发射部。 版权所有(C)2008,JPO&INPIT
    • 10. 发明专利
    • Light-emitting element
    • 发光元件
    • JP2005108857A
    • 2005-04-21
    • JP2004353373
    • 2004-12-06
    • Toshiba Corp株式会社東芝
    • HIRAOKA TOSHIROJULIAN KOUNAKANO YOSHIHIKOMURAI SHINJIHAYASE SHUJITODORI KENJIMAJIMA YUTAKA
    • H01L51/50H05B33/14H05B33/22
    • PROBLEM TO BE SOLVED: To provide a light-emitting element including a glass composite material as a component element in which a polymer such as polysilane, polygermanium and polystanan is fixed in a state forming high crosslinking density and a dense three-dimensional network, high in durability, and capable of sufficiently achieving an optical and electric property intrinsically owned by the polymer. SOLUTION: In the light-emitting element having a light-emitting layer and a charge transport layer between a pair of electrodes, the charge transport layer has a polymer chain selected from polysilane, polygermanium, polystan and a copolymer thereof, and a net-like structure of a metal oxide in which a metal atom is combined with the other metal atom through an oxygen atom. The polymer chain is mainly made of a glass composite material chemically bridged at not less than three spots by a glass matrix composed of the net-like structure of the metal oxide. COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种发光元件,其包括玻璃复合材料作为组分元素,其中聚合物如聚硅烷,聚锗锗和聚硅烷固化在形成高交联密度的状态和致密的三维 网络,耐久性高,能够充分实现聚合物固有的光电性能。 解决方案:在具有发光层和在一对电极之间的电荷输送层的发光元件中,电荷输送层具有选自聚硅烷,聚锗锗,聚氨酯及其共聚物的聚合物链, 金属氧化物的网状结构,其中金属原子通过氧原子与另一个金属原子结合。 聚合物链主要由玻璃复合材料制成,玻璃复合材料通过由金属氧化物的网状结构构成的玻璃基体在不少于三个点化学桥接。 版权所有(C)2005,JPO&NCIPI