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    • 1. 发明申请
    • Fuel cell
    • 燃料电池
    • US20060269828A1
    • 2006-11-30
    • US11437704
    • 2006-05-22
    • Akira TanakaHidetoshi Honbou
    • Akira TanakaHidetoshi Honbou
    • H01M4/94H01M8/10H01M2/08
    • H01M8/1004H01M4/8605H01M8/023H01M8/0267H01M8/0271H01M8/0276H01M8/1011Y02E60/523
    • It is an object of the present invention to provide a fuel cell equipped with a membrane electrode assembly which can relax stress concentration at a catalyst layer end to prevent an electrolyte membrane damage and have high reliability. The membrane electrode assembly comprises an electrolyte membrane coated with an anode catalyst layer and anode diffusion layer on one side and with a cathode catalyst layer and cathode diffusion layer on the other side, wherein the anode and cathode catalyst layers have the same or essentially the same area and are set out at the same or essentially the same positions across the electrolyte membrane, and at least one of the anode and cathode diffusion layers is out of alignment, at least at one end, with the corresponding electrode catalyst layer to relax stress concentration at a catalyst layer end and prevent an electrolyte membrane damage.
    • 本发明的目的在于提供一种配备有能够缓和催化剂层端部的应力集中的膜电极接合体的燃料电池,能够防止电解质膜损伤,可靠性高。 膜电极组件包括在一侧涂覆有阳极催化剂层和阳极扩散层并且在另一侧上具有阴极催化剂层和阴极扩散层的电解质膜,其中阳极和阴极催化剂层具有相同或基本相同 区域,并且跨过电解质膜设置在相同或基本相同的位置,并且阳极和阴极扩散层中的至少一个至少在一端与相应的电极催化剂层不对齐,以缓解应力集中 在催化剂层端,防止电解质膜损坏。
    • 5. 发明授权
    • Communication sheet structure
    • 通讯单结构
    • US08570240B2
    • 2013-10-29
    • US12996839
    • 2008-06-27
    • Akira TanakaMachiko OouchidaHiroyuki Mori
    • Akira TanakaMachiko OouchidaHiroyuki Mori
    • H01Q1/36
    • H04B13/00
    • A communication sheet structure for transmitting electromagnetic waves, and thereby performing communication, is characterized in that the communication sheet structure includes a planar base material with a relative dielectric constant at a frequency of from 800 MHz to 10 GHz of from 1.0 to 15.0, and one side of the base material includes conductor A existing portion and non-existing portion, and the other side of the base material includes a conductor B existing over 90% or more thereof. The communication sheet structure enables communication in two dimensions, and the communication sheet structure is extremely excellent in communication performances.
    • 用于传送电磁波,从而进行通信的通信片结构的特征在于,通信片结构包括平面基底材料,其相对介电常数在800MHz至10GHz的频率范围为1.0至15.0,一个 基体材料的一侧包括导体A存在部分和不存在部分,并且基材的另一侧包括存在于其中90%以上的导体B. 通信片结构使得能够在二维方面进行通信,并且通信片结构在通信性能方面非常优异。
    • 7. 发明授权
    • Light emitting device
    • 发光装置
    • US08410473B2
    • 2013-04-02
    • US13291176
    • 2011-11-08
    • Akira Tanaka
    • Akira Tanaka
    • H01L29/06
    • H01L33/06B82Y20/00H01L33/025H01L33/32H01S5/309H01S5/34333
    • A light emitting device includes: a first layer made of a semiconductor of a first conductivity type; a second layer made of a semiconductor of a second conductivity type; an active layer including a multiple quantum well provided between the first layer and the second layer, impurity concentration of the first conductivity type in each barrier layer of the multiple quantum well having a generally flat distribution or increasing toward the second layer, average of the impurity concentration in the barrier layer on the second layer side as viewed from each well layer of the multiple quantum well being equal to or greater than average of the impurity concentration in the barrier layer on the first layer side, and average of the impurity concentration in the barrier layer nearest to the second layer being higher than average of the impurity concentration in the barrier layer nearest to the first layer.
    • 发光器件包括:由第一导电类型的半导体制成的第一层; 由第二导电类型的半导体制成的第二层; 包括设置在第一层和第二层之间的多量子阱的有源层,多量子阱的每个势垒层中的第一导电类型的杂质浓度具有大致平坦的分布或朝着第二层增加,杂质的平均值 从多量子阱的各阱层观察的第二层侧的阻挡层的浓度等于或大于第一层侧的阻挡层中的杂质浓度的平均值,以及 最靠近第二层的阻挡层高于最靠近第一层的势垒层中的杂质浓度的平均值。