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    • 3. 发明授权
    • Semiconductor laser element and semiconductor laser device
    • 半导体激光元件和半导体激光器件
    • US08175128B2
    • 2012-05-08
    • US12657451
    • 2010-01-21
    • Daisuke Imanishi
    • Daisuke Imanishi
    • H01S5/00
    • H01S5/2232B82Y20/00H01S5/02272H01S5/02276H01S5/0425H01S5/18311H01S5/18327H01S5/18341H01S5/22H01S5/34326H01S5/4031
    • A semiconductor laser element is provided which includes a first semiconductor layer, an active layer having a current injection region, a second semiconductor layer, a third semiconductor layer, and an electrode for injecting a current into the active layer. In the semiconductor laser element, the first semiconductor layer, the active layer, the second semiconductor layer, and the third semiconductor layer are laminated in that order on a substrate, the first semiconductor layer has a current constriction layer which constricts the current injection region of the active layer, the third semiconductor layer is formed on an upper surface of the second semiconductor layer in a region corresponding to the current injection region of the active layer, and the electrode is formed on the upper surface of the second semiconductor layer in a region other than that of the third semiconductor layer.
    • 提供一种半导体激光元件,其包括第一半导体层,具有电流注入区的有源层,第二半导体层,第三半导体层以及用于向有源层注入电流的电极。 在半导体激光元件中,第一半导体层,有源层,第二半导体层和第三半导体层依次层叠在基板上,第一半导体层具有限制电流注入区域的电流收缩层 有源层,第三半导体层在与有源层的电流注入区对应的区域中形成在第二半导体层的上表面上,并且电极形成在第二半导体层的上表面的区域 除了第三半导体层的以外。
    • 4. 发明申请
    • Semiconductor laser element and semiconductor laser device
    • 半导体激光元件和半导体激光器件
    • US20100183041A1
    • 2010-07-22
    • US12657451
    • 2010-01-21
    • Daisuke Imanishi
    • Daisuke Imanishi
    • H01S5/32H01S5/125
    • H01S5/2232B82Y20/00H01S5/02272H01S5/02276H01S5/0425H01S5/18311H01S5/18327H01S5/18341H01S5/22H01S5/34326H01S5/4031
    • A semiconductor laser element is provided which includes a first semiconductor layer, an active layer having a current injection region, a second semiconductor layer, a third semiconductor layer, and an electrode for injecting a current into the active layer. In the semiconductor laser element, the first semiconductor layer, the active layer, the second semiconductor layer, and the third semiconductor layer are laminated in that order on a substrate, the first semiconductor layer has a current constriction layer which constricts the current injection region of the active layer, the third semiconductor layer is formed on an upper surface of the second semiconductor layer in a region corresponding to the current injection region of the active layer, and the electrode is formed on the upper surface of the second semiconductor layer in a region other than that of the third semiconductor layer.
    • 提供一种半导体激光元件,其包括第一半导体层,具有电流注入区的有源层,第二半导体层,第三半导体层以及用于向有源层注入电流的电极。 在半导体激光元件中,第一半导体层,有源层,第二半导体层和第三半导体层依次层叠在基板上,第一半导体层具有限制电流注入区域的电流收缩层 有源层,第三半导体层在与有源层的电流注入区对应的区域中形成在第二半导体层的上表面上,并且电极形成在第二半导体层的上表面的区域 除了第三半导体层的以外。