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    • 1. 发明申请
    • SURFACE-EMISSION TYPE SEMICONDUCTOR LASER
    • 表面发射型半导体激光器
    • US20100034233A1
    • 2010-02-11
    • US12531326
    • 2008-03-14
    • Naofumi SuzukiMasayoshi TsujiTakayoshi AnanKenichiro YashikiHiroshi HatakeyamaKimiyoshi FukatsuTakeshi Akagawa
    • Naofumi SuzukiMasayoshi TsujiTakayoshi AnanKenichiro YashikiHiroshi HatakeyamaKimiyoshi FukatsuTakeshi Akagawa
    • H01S5/00
    • H01S5/06226H01S5/1039H01S5/18308H01S5/18369H01S5/227H01S5/3095
    • The present invention provides a surface-emission type semiconductor laser wherein an effective length of a cavity is reduced, thereby enabling to realize a higher-speed direct modulation. In the surface-emission type semiconductor laser according to the present invention, when supposing the optical path length (L) of a resonator part relative to a lasing wavelength λ0 to be given as 0.9×λ0≦L≦1.1×λ0, and denoting the refractive indexes of a high refractive index layer and a low refractive index layer of a dielectric DBR by nH1 and nL1; the average refractive index within an optical path length λ0/4 in the semiconductor in contact with the dielectric DBR by nS1; and the refractive indexes of the high refractive index layer and the low refractive index layer of a semiconductor DBR by nH2 and nL2, respective materials to be used are selected so as to satisfy the following conditions (1) and (2): nH1>f(nS1)nL12+g(nS1)nL1+h(nS1),  (1) where f(nS1)=0.0266 nS12−0.2407 nS1+0.6347; g(nS1)=−0.0508 nS12+0.4335 nS1−0.0085; and h(nS1)=0.0382 nS12−0.3194 nS1+0.7398, and nH2−nL2>0.4.  (2)
    • 本发明提供了一种表面发射型半导体激光器,其中空腔的有效长度减小,从而能够实现更高速度的直接调制。 在根据本发明的表面发射型半导体激光器中,当假设谐振器部分相对于激发波长λ0的光程长度(L)被给定为0.9×λλ<= L <= 1.1×λ10,并且表示 通过nH1和nL1的介电DBR的高折射率层和低折射率层的折射率; 通过nS1与电介质DBR接触的半导体中的光程长度λ0/ 4内的平均折射率; 并且通过nH2和nL2对半导体DBR的高折射率层和低折射率层的折射率进行选择,以满足以下条件(1)和(2):nH1> f (nS1)nL12 + g(nS1)nL1 + h(nS1),(1)其中f(nS1)= 0.0266 nS12-0.2407 nS1 + 0.6347; g(nS1)= - 0.0508 nS12 + 0.4335 nS1-0.0085; h(nS1)= 0.0382 nS12-0.3194 nS1 + 0.7398,nH2-nL2> 0.4。 (2)
    • 4. 发明授权
    • Surface-emission type semiconductor laser
    • 表面发射型半导体激光器
    • US07974328B2
    • 2011-07-05
    • US12531326
    • 2008-03-14
    • Naofumi SuzukiMasayoshi TsujiTakayoshi AnanKenichiro YashikiHiroshi HatakeyamaKimiyoshi FukatsuTakeshi Akagawa
    • Naofumi SuzukiMasayoshi TsujiTakayoshi AnanKenichiro YashikiHiroshi HatakeyamaKimiyoshi FukatsuTakeshi Akagawa
    • H01S5/00
    • H01S5/06226H01S5/1039H01S5/18308H01S5/18369H01S5/227H01S5/3095
    • The present invention provides a surface-emission type semiconductor laser wherein an effective length of a cavity is reduced, thereby enabling to realize a higher-speed direct modulation. In the surface-emission type semiconductor laser according to the present invention, when supposing the optical path length (L) of a resonator part relative to a lasing wavelength λ0 to be given as 0.9×λ0≦L≦1.1×λ0, and denoting the refractive indexes of a high refractive index layer and a low refractive index layer of a dielectric DBR by nH1 and nL1; the average refractive index within an optical path length λ0/4 in the semiconductor in contact with the dielectric DBR by nS1; and the refractive indexes of the high refractive index layer and the low refractive index layer of a semiconductor DBR by nH2 and nL2, respective materials to be used are selected so as to satisfy the following conditions (1) and (2): nH1>f(nS1)nL12+g(nS1)nL1+h(nS1),  (1) where f(nS1)=0.0266 nS12−0.2407 nS1+0.6347; g(nS1)=−0.0508 nS12+0.4335 nS1−0.0085; and h(nS1)=0.0382 nS12−0.3194 nS1+0.7398, and nH2−nL2>0.4.  (2)
    • 本发明提供了一种表面发射型半导体激光器,其中空腔的有效长度减小,从而能够实现更高速度的直接调制。 在根据本发明的表面发射型半导体激光器中,当假设谐振器部分相对于激光波长λ0的光程长度(L)为0.9×λ0&nlE; L&nlE; 1.1×λ0时,表示 通过nH1和nL1的介电DBR的高折射率层和低折射率层的折射率; 通过nS1与电介质DBR接触的半导体中光路长度λ0/ 4内的平均折射率; 并且通过nH2和nL2对半导体DBR的高折射率层和低折射率层的折射率进行选择,以满足以下条件(1)和(2):nH1> f (nS1)nL12 + g(nS1)nL1 + h(nS1),(1)其中f(nS1)= 0.0266 nS12-0.2407 nS1 + 0.6347; g(nS1)= - 0.0508 nS12 + 0.4335 nS1-0.0085; h(nS1)= 0.0382 nS12-0.3194 nS1 + 0.7398,nH2-nL2> 0.4。 (2)
    • 5. 发明申请
    • Glass Mounting Structure
    • 玻璃安装结构
    • US20080012388A1
    • 2008-01-17
    • US11769155
    • 2007-06-27
    • Yuuji KinoshitaTakeshi Akagawa
    • Yuuji KinoshitaTakeshi Akagawa
    • B60J1/00
    • B60J1/005B60J1/006B60J1/02
    • The present invention aims to provide a glass mounting structure that enables a glass to be mounted, preventing the breakage thereof.A locking member 52 is provided at a glass 13 closing an opening portion 11a in a cab 11, a mounting portion 54 opposed to the locking member 52 is formed at the opening portion 11a, and a locked member 57 is provided for mounting the glass 13 at the opening portion 11a by locking the locking member 52 to the mounting portion 54. The locked member 57 is held by the locking member 52 in the state where the locking member 52 is movable with respect to the mounting portion 54. The locking member 51 is provided at least at either a lower portion inner surface or an upper portion inner surface in a side portion of the windshield glass 13.
    • 本发明旨在提供一种能够安装玻璃的玻璃安装结构,防止其破损。 锁定构件52设置在玻璃13处,该玻璃13关闭驾驶室11中的开口部11a,在开口部11a形成有与锁定构件52相对的安装部54,并且设有锁定构件57, 通过将锁定构件52锁定到安装部分54,在开口部分11a处的玻璃13.锁定构件57在锁定构件52相对于安装部分54可移动的状态下被锁定构件52保持。 锁定构件51至少设置在挡风玻璃13的侧部的下部内表面或上部内表面的任一个处。
    • 6. 发明申请
    • Front Structure of Vehicle
    • 车辆前部结构
    • US20070296238A1
    • 2007-12-27
    • US11769267
    • 2007-06-27
    • Yuuji KinoshitaTeruyuki TauraTakeshi Akagawa
    • Yuuji KinoshitaTeruyuki TauraTakeshi Akagawa
    • B60J10/02
    • B62D33/06B60J10/248B60J10/40B60J10/70B60J10/76B60J10/86B62D25/04
    • It is an object of the present invention to prevent deterioration of the appearance of a front pillar when a side door is open, thanks to surely covering the gap with a hollow-shape portion even if a gap between a molding and the front pillar is changed hollow-shape portion.A front pillar (17) is provided between a side portion of a windshield glass (13) and a front portion of a side door (14), and a molding (27) is fitted into an outer periphery portion of the windshield glass (13). Also, the inner surface of the side portion of the windshield glass (13) is bonded to the front pillar (17), and a hollow-shape portion (28d) to be brought into contact with the front pillar (17) is provided at the molding (27). Moreover, the hollow-shape portion (28d) is constructed to be brought into contact with the front pillar (17) so as to cover the gap between the molding (27) and the front pillar (17).
    • 本发明的目的是防止侧门打开时前柱的外观劣化,这是由于即使模制件与前柱之间的间隙发生变化,由于可靠地覆盖中空形部分的间隙 中空部分。 前挡板(17)设置在挡风玻璃(13)的侧部和侧门(14)的前部之间,并且将模制件(27)装配到挡风玻璃(13)的外周部分 )。 此外,挡风玻璃(13)的侧部的内表面与前柱(17)接合,并且设置与前柱(17)接触的中空部分(28d) 在模制(27)。 此外,中空部分(28d)被构造成与前柱(17)接触以覆盖模制件(27)和前支柱(17)之间的间隙。