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    • 2. 发明授权
    • Semiconductor laser device
    • 半导体激光器件
    • US08270446B2
    • 2012-09-18
    • US12718009
    • 2010-03-05
    • Takashi ShiotaTakeshi Kitatani
    • Takashi ShiotaTakeshi Kitatani
    • H01S5/00
    • H01S5/3434B82Y20/00H01S5/0265H01S5/12H01S5/187H01S5/2209H01S5/2226H01S5/2227H01S5/2275
    • High performance and high reliability of a semiconductor laser device having a buried-hetero structure are achieved. The semiconductor laser device having a buried-hetero structure is manufactured by burying both sides of a mesa structure by a Ru-doped InGaP wide-gap layer and subsequently by a Ru-doped InGaP graded layer whose composition is graded from InGaP to InP, and then, by a Ru-doped InP layer. By providing the Ru-doped InGaP graded layer between the Ru-doped InGaP wide-gap layer and the Ru-doped InP layer, the Ru-doped InGaP wide-gap layer and the Ru-doped InP layer not lattice-matching with each other can be formed as a buried layer with excellent crystallinity.
    • 实现了具有掩埋异质结构的半导体激光器件的高性能和高可靠性。 具有掩埋异质结构的半导体激光器件通过用Ru掺杂的InGaP宽间隙层掩埋台面结构的两面并随后通过组成从InGaP分级为InP的Ru掺杂的InGaP梯度层而制造,以及 然后,通过Ru掺杂的InP层。 通过在Ru掺杂的InGaP宽间隙层和Ru掺杂的InP层之间提供Ru掺杂的InGaP渐变层,Ru掺杂的InGaP宽间隙层和Ru掺杂的InP层彼此不格子匹配 可以形成具有优异结晶度的埋层。
    • 3. 发明申请
    • SEMICONDUCTOR LASER
    • 半导体激光器
    • US20110128985A1
    • 2011-06-02
    • US12734665
    • 2008-10-17
    • Tsuguki NomaMiroru MurayamaSatoshi UchidaTsutomu Ishikawa
    • Tsuguki NomaMiroru MurayamaSatoshi UchidaTsutomu Ishikawa
    • H01S5/026
    • H01S5/223H01S5/221H01S5/2219H01S5/2227H01S5/2231H01S5/34326
    • Provided is a semiconductor laser which has a low operating current and stably oscillates even for high-temperature output. The semiconductor laser is provided with a substrate (10); an n-type clad layer (12) arranged on the substrate (10); an active layer (13) arranged on the n-type clad layer (12); a p-type clad layer (14), which is arranged on the active layer (13) and composed of a compound containing Al and has a stripe-shaped ridge structure to be a current channel; a current block layer (16), which is arranged on the surface of the p-clad layer (14) excluding an upper surface of the ridge structure and composed of a compound containing Al and has an Al composition ratio not more than that of the p-type clad layer (14); and a light absorption layer (17), which is arranged on the current block layer (16) and absorbs light at the laser oscillation wavelength.
    • 提供了即使对于高温输出也具有低工作电流并稳定地振荡的半导体激光器。 半导体激光器设置有基板(10); 布置在所述基板(10)上的n型覆盖层(12); 布置在所述n型覆层(12)上的有源层(13); p型覆盖层(14),其配置在有源层(13)上,由含有Al的化合物构成,具有条状的脊状结构成为电流通道; 布置在p包覆层(14)的表面上的电流阻挡层(16),除了脊结构的上表面,并且由含Al的化合物构成,Al组成比不大于 p型覆层(14); 以及布置在当前阻挡层(16)上并吸收激光振荡波长的光的光吸收层(17)。
    • 10. 发明申请
    • Compound semiconductor light emitting device and process for producing the same
    • 化合物半导体发光器件及其制造方法
    • US20030002554A1
    • 2003-01-02
    • US10227412
    • 2002-08-26
    • Tsutomu MunakataYasumasa Kashima
    • H01S005/00
    • H01S5/227H01S5/2226H01S5/2227H01S5/2275H01S5/3072
    • The compound semiconductor light emitting device can keep the effect of confining carrier into an active layer and improve light emission efficiency. In the device having the first conductive type substrate 11; the active layer 12 on the first conductive type substrate 11; the second conductive type sub-layer 15 and the first conductive type sub-layer 17, in this order from the lower to the upper, on the first conductive type substrate 11 and at both sides of the active layer 12; the second conductive type cladding layer 19 on/over the active layer 12 and the first conductive type sub-layer 17; and the second conductive type contact layer 21 on the second conductive type cladding layer 19; the p-type diffusion barrier layer 23 is further formed between the n-type sub-layer 17 and the p-type cladding layer 19.
    • 化合物半导体发光器件可以保持将载流子限制在有源层中并提高发光效率的效果。 在具有第一导电型基板11的装置中, 第一导电型基板11上的有源层12; 第二导电类型子层15和第一导电型子层17从第一导电类型基板11和有源层12的两侧依次从下到上依次; 位于有源层12上的第二导电型包覆层19和第一导电型子层17; 和第二导电型覆层19上的第二导电型接触层21; p型扩散阻挡层23还形成在n型子层17和p型覆层19之间。