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392 条记录 (耗时 0.021 秒)

    Optical waveguide device
    151.
    发明公开
    Optical waveguide device 失效
    Optische Wellenleitervorrichtung

    公开(公告)号：EP0813093A1

    公开(公告)日：1997-12-17

    申请号：EP97304044.7

    申请日：1997-06-10

    申请人： SUMITOMO OSAKA CEMENT CO., LTD.

    发明人： Minowa, Junichiro, Sumitomo Osaka Cement Co., Ltd. ,  Sugamata, Tohru, Sumitomo Osaka Cement Co., Ltd. ,  Shimotsu, Shinichi, Sumitomo Osaka Cement Co., Ltd

    IPC分类号： G02F1/035

    CPC分类号： G02F1/0356 ,  G02F2203/21

    摘要： An improved optical waveguide device having an optical waveguide (3) for guiding a lightwave comprises, on a surface of a substrate (6) having an electrooptical effect, at least a pair of electrodes (1,2) composed of a hot electrode (1) and a ground electrode (2) which controls a guided lightwave, a buffer layer (4) formed between the electrodes and the optical waveguide; further comprising an antistatic film (5) which is formed on an upper surface of the buffer layer such that it comes into contact only with the hot electrode.

    摘要翻译： 具有用于引导光波的光波导（3）的改进的光波导装置包括在具有电光效应的基板（6）的表面上至少一对由热电极（1）构成的电极（1,2） ）和控制引导光波的接地电极（2），形成在电极和光波导之间的缓冲层（4）; 还包括形成在所述缓冲层的上表面上使其仅与所述热电极接触的抗静电膜（5）。

    Optical waveguide modulator with traveling-wave type electrodes
    152.
    发明公开
    Optical waveguide modulator with traveling-wave type electrodes 失效
    具有行波电极的光波导调制器

    公开(公告)号：EP0813092A1

    公开(公告)日：1997-12-17

    申请号：EP97304043.9

    申请日：1997-06-10

    申请人： SUMITOMO OSAKA CEMENT CO., LTD.

    发明人： Sugamata, Tohru, Sumitomo Osaka Cement Co. LTD. ,  Miyama, Yasuyuki, Sumitomo Osaka Cement Co. LTD. ,  Shinriki, Takashi, Sumitomo Osaka Cement Co. LTD.

    IPC分类号： G02F1/035

    CPC分类号： G02F1/0356 ,  G02F2201/127

    摘要： An optical modulator including a substrate (11) made of lithium niobate having an electrooptical effect, first and second optical waveguides (12) formed in the substrate by effecting a thermal diffusion of titanium into a surface of the substrate, a buffer layer (13) formed on the surface of the substrate, a hot electrode (15) provided on the buffer layer and having a width W e not larger than a width W f of the optical waveguide, first and second ground electrodes (16) provided on the buffer layer such that these ground electrodes are symmetrical with respect to the hot electrode, and an electric field adjusting region (14) having a width not smaller than that of the hot electrode is provided between the buffer layer and the hot electrode. First and second ground side electric field adjusting main- and subregions (32,37) may be provided between the buffer layer (13) and the first and second ground electrodes (31), respectively. An interaction between an electric field generated by applied microwave and lightwave propagating along the optical waveguides can be enhanced, and thus a driving voltage can be decreased.

    Ultraviolet ray-shielding tube
    153.
    发明公开
    Ultraviolet ray-shielding tube 失效
    紫外线

    公开(公告)号：EP0389717A2

    公开(公告)日：1990-10-03

    申请号：EP89312420.6

    申请日：1989-11-29

    申请人： SUMITOMO OSAKA CEMENT CO., LTD.

    发明人： Saito, Kanehiro ,  Saito, Mitsumasa

    IPC分类号： H01J61/35 ,  H01J61/40 ,  C03C17/25

    CPC分类号： H01J61/40

    摘要： Disclosed is an ultraviolet ray-shielding agent for selectively shielding ultraviolet rays while allowing a transmission of visible rays therethrough, comprising a visible ray-transmitting binder and extremely fine zinc oxide particles having an average size of 0.1 µm or less in a mixing ratio of the zinc oxide particles to the binder of 1/10 to 10/1, and an ultraviolet ray-shielding tube for visible ray-irradiation luminescent lamps comprising a transparent substrate tube for sealing a light emission source therein, and a coating formed on a surface of the substrate tube and comprising the above-­mentioned ultraviolet ray-shielding agent.

    摘要翻译： 本发明公开了一种紫外线屏蔽剂，用于选择性地屏蔽紫外线，同时允许透射可见光，包括可见光透射粘合剂和平均粒度为0.1μm或更小的极细氧化锌颗粒，混合比例 所述粘合剂的氧化锌颗粒为1/10至10/1，以及用于可见光照射发光灯的紫外线屏蔽管，其包括用于将发光源密封在其中的透明基板管和形成在其上的涂层 并包含上述紫外线屏蔽剂。