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    • 102. 发明申请
    • SEMICONDUCTOR LASER DEVICE
    • 半导体激光器件
    • US20080175293A1
    • 2008-07-24
    • US12013557
    • 2008-01-14
    • Akira Tanaka
    • Akira Tanaka
    • H01S5/30
    • H01S5/34333B82Y20/00H01S5/2009H01S5/22H01S5/3063H01S5/3072
    • To provide a semiconductor laser device capable of reducing the power consumption and enhancing the reliability. The semiconductor laser device includes: a crystal substrate; a first clad layer of a first conductivity type formed on the crystal substrate; a first light guide layer of the first conductivity type formed on the first clad layer; an active layer of a single or multiple quantum well structure formed on the first light guide layer; an overflow preventing layer of a second conductivity type formed on the active layer; a second light guide layer of the second conductivity type formed on the overflow preventing layer; and a second clad layer of the second conductivity type formed on the second light guide layer, wherein the carrier concentration of the second light guide layer is set to the carrier concentration or more of the second clad layer.
    • 提供能够降低功耗并提高可靠性的半导体激光装置。 半导体激光装置包括:晶体基板; 形成在所述晶体基板上的第一导电类型的第一覆盖层; 形成在第一覆盖层上的第一导电类型的第一导光层; 形成在第一导光层上的单个或多个量子阱结构的有源层; 形成在有源层上的第二导电类型的溢出防止层; 形成在溢流防止层上的第二导电类型的第二导光层; 以及形成在第二导光层上的第二导电类型的第二覆盖层,其中将第二导光层的载流子浓度设定为第二覆盖层的载流子浓度或更多。
    • 104. 发明授权
    • Sealant for prevention of blowout, tubeless tire, and tire tube
    • 用于防止井喷,无内胎轮胎和轮胎管的密封剂
    • US07316253B2
    • 2008-01-08
    • US10239872
    • 2001-03-29
    • Toshio YamagiwaAkiko TanakaAkira TanakaKen FujiwaraNoriyuki DeguchiKentaro Yamashita
    • Toshio YamagiwaAkiko TanakaAkira TanakaKen FujiwaraNoriyuki DeguchiKentaro Yamashita
    • C09K3/12B60C19/12B29C73/16
    • B29C73/22B29D30/0685B29D2030/0698B29K2105/0094B29L2030/00B60C19/12Y10T152/10675Y10T152/10684Y10T152/10702
    • The viscosity of a puncture-preventing sealant (7) is set in a range of 25 to 35 dPa·s, and a thixotropy index is set in a range of 6.5 to 11.0, the sealant (7) being filled in a sealant chamber (6) defined to extend along an outer periphery of an air chamber (5) in a tire (T). When the tire (T) is being rotated by traveling of a vehicle, the viscosity of the sealant (7) is reduced by a stirring action provided by a vibration or a centrifugal force of the sealant (7), whereby the sealant (7) can be diffused uniformly in the sealant chamber (6). When the vehicle has been stopped and the stirring action has been extinguished, the viscosity of the sealant (7) is increased, whereby the sealant (7) is maintained in a state in which it has been diffused uniformly in the sealant chamber (6) without flowing downwards in the sealant chamber (6) by gravitation. Therefore, even when the vehicle is travelling at a high speed, the generation of a vibration and a noise can be prevented. In this manner, the puncture-preventing sealant is provided, which has such a nature that the sealant is easy to flow due to a low viscosity during traveling of a vehicle, and the sealant is difficult to flow due to a high viscosity when the sealant is left to stand.
    • 防刺破密封剂(7)的粘度设定在25〜35dPa.s的范围内,触变性指数设定在6.5〜11.0的范围内,密封剂(7)填充在密封剂室( 6)限定为沿着轮胎(T)中的空气室(5)的外周延伸。 当轮胎(T)通过车辆行驶而旋转时,通过由密封剂(7)的振动或离心力提供的搅拌作用,密封剂(7)的粘度降低,由此密封剂(7) 可以均匀地扩散到密封剂室(6)中。 当车辆停止并且搅拌动作已经熄灭时,密封剂(7)的粘度增加,由此密封剂(7)保持在均匀地扩散到密封剂室(6)中的状态, 而不会通过重力在密封剂室(6)中向下流动。 因此,即使当车辆高速行驶时,也可以防止产生振动和噪音。 以这种方式,提供了防止穿刺的密封剂,其具有这样的性质,即当车辆行驶期间由于粘度低时,密封剂容易流动,并且当密封剂的粘度高时,密封剂难以流动 留下来
    • 107. 发明授权
    • Polyolefin resin composition
    • 聚烯烃树脂组合物
    • US07189788B2
    • 2007-03-13
    • US10482418
    • 2002-07-02
    • Shuji MachidaYutaka KobayashiHideo KusuyamaAkira Tanaka
    • Shuji MachidaYutaka KobayashiHideo KusuyamaAkira Tanaka
    • C08L23/10
    • C08L23/10C08L23/14C08L51/06C08L53/00C08L2205/02C08L2666/24C08L2666/04
    • The polyolefin-based resin composition (I) of the present invention comprises (A) 99.9 to 80% by mass of a propylene (co)polymer having (a) a melt flow rate (MFR) of 0.1 to 200 g/10 min, (b) a meso-pentad fraction [mmmm] of an ordinary temperature (25° C.) xylene-insoluble component of 97.0% or higher, and (c) a content of an ordinary temperature (25° C.) xylene-soluble component of 4 to 50% by mass; and (B) 0.1 to 20% by mass of a copolymer containing propylene chains of an isotactic structure, and copolymer chains constituted from at least two monomer units selected from the group consisting of ethylene, C3 to C20 α-olefins, cyclic olefins and aromatic vinyl monomers which are graft-bonded and/or block-bonded to said copolymer, and exhibits not only a high rigidity but also a highly enhanced impact strength and is well-balanced between the physical properties thereof.
    • 本发明的聚烯烃类树脂组合物(I)含有(A)99.9质量%〜80质量%的(a)熔体流动速率(MFR)为0.1〜200g / 10分钟的丙烯(共)聚合物, (b)常温(25℃)二甲苯不溶性成分的内消旋五重分数[mmmm]为97.0%以上,(c)常温(25℃)二甲苯可溶成分 成分为4〜50质量% 和(B)0.1〜20质量%的含有全同立构结构的丙烯链的共聚物,以及由至少两种选自乙烯,C 3〜C的单体单元构成的共聚物链 20个α-烯烃,环烯烃和芳族乙烯基单体,其与所述共聚物接枝和/或嵌段键合,并且不仅具有高刚性,而且具有高度增强的冲击强度,并且良好 在其物理性质之间平衡。
    • 108. 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。