公开(公告)号：US20120183009A1

公开(公告)日：2012-07-19

申请号：US13350087

申请日：2012-01-13

申请人： Koichiro ADACHI ,  Yasunobu MATSUOKA ,  Toshiki SUGAWARA ,  Kazunori SHINODA ,  Shinji TSUJI

发明人： Koichiro ADACHI ,  Yasunobu MATSUOKA ,  Toshiki SUGAWARA ,  Kazunori SHINODA ,  Shinji TSUJI

IPC分类号： H01S3/08 ,  H01L21/02 ,  G02B6/12

CPC分类号： H01S5/18 ,  G02B6/4214 ,  H01L2224/16225 ,  H01L2924/15311 ,  H01S5/0202 ,  H01S5/0207 ,  H01S5/0224 ,  H01S5/02284 ,  H01S5/0267 ,  H01S5/12 ,  H01S5/2224 ,  H01S5/2226 ,  H01S5/42

摘要： The horizontal cavity surface emitting laser includes a cavity structure portion including a stacked structure of a first conduction type clad layer, an active layer and a second conduction type clad layer stacked over a semiconductor substrate and causing light generated by the active layer to be reflected or resonated, an optical waveguide layer provided at part of the semiconductor substrate and guiding the light, a reflector provided in the optical waveguide layer, for reflecting the light and emitting the light from the back surface of the semiconductor substrate, and a condensing lens provided at the back surface thereof and focusing the reflected light. The back surface thereof has a groove provided with the condensing lens and a terrace-like portion disposed below the cavity structure portion and has a terrace shape with the cleavage direction along a longitudinal direction thereof provided along a cleavage direction of the semiconductor substrate.

摘要翻译： 水平腔表面发射激光器包括空腔结构部分，其包括层叠在半导体衬底上的第一导电型覆盖层，有源层和第二导电型覆盖层的叠层结构，并使由有源层产生的光反射或 谐振的光波导层，设置在半导体衬底的一部分并引导光的光波导层，设置在光波导层中的反射器，用于反射光并从半导体衬底的背面发射光;以及聚光透镜，其设置在 其背面并聚焦反射光。 其背面具有设置有聚光透镜的凹槽和设置在空腔结构部下方的具有沿着半导体基板的解理方向设置的沿其长度方向的切割方向的台阶状的台阶状。

公开(公告)号：US20100247043A1

公开(公告)日：2010-09-30

申请号：US12707739

申请日：2010-02-18

申请人： Toshiki SUGAWARA ,  Kazuhiko HOSOMI ,  Yasunobu MATSUOKA ,  Takuma BAN ,  Koichiro ADACHI ,  Youngkun LEE ,  Masahiro AOKI

发明人： Toshiki SUGAWARA ,  Kazuhiko HOSOMI ,  Yasunobu MATSUOKA ,  Takuma BAN ,  Koichiro ADACHI ,  Youngkun LEE ,  Masahiro AOKI

IPC分类号： G02B6/36

CPC分类号： G02B6/4204 ,  G02B6/29365 ,  G02B6/4201 ,  G02B6/4215 ,  G02B6/4224 ,  G02B6/423

摘要： An optical module is formed by sticking the optical element mounting substrate and the sealing substrate together, then by sealing the stuck body. The optical mounting substrate includes an optical element on its top surface and it is used to guide electrical signals to its back side through a through-via hole provided in itself. The sealing substrate includes a lens at its back side and a recessed part used to hold an optical fiber at its front side.

摘要翻译： 通过将光学元件安装基板和密封基板粘合在一起，然后通过密封被卡住的体来形成光学模块。 光学安装基板在其顶表面上包括光学元件，并且其用于通过本身提供的通孔将电信号引导到其背侧。 密封基板在其背面包括透镜，以及用于在其前侧保持光纤的凹部。

公开(公告)号：US20100265983A1

公开(公告)日：2010-10-21

申请号：US12759024

申请日：2010-04-13

申请人： Koichiro ADACHI ,  Yasunobu MATSUOKA ,  Toshiki SUGAWARA ,  Masahiro AOKI

发明人： Koichiro ADACHI ,  Yasunobu MATSUOKA ,  Toshiki SUGAWARA ,  Masahiro AOKI

IPC分类号： H01S5/026 ,  H01S5/20 ,  H01S5/18 ,  H01L31/0232

CPC分类号： H01S5/18 ,  G02B6/322 ,  G02B6/4214 ,  G02B6/423 ,  H01S5/0207 ,  H01S5/02212 ,  H01S5/02284 ,  H01S5/0267 ,  H01S5/12 ,  H01S5/18311

摘要： In order to provide a compact optical module permitting highly efficient optical coupling and having components thereof highly densely packaged, a light emitting diode that is included in the optical module and emits light in a vertical direction with respect to a principal surface of a semiconductor substrate is provided with a lens integrated into a light emitting region, and a retaining section integrated to surround the light emitting region. Accordingly, readiness in alignment of the light emitting diode and an optical fiber, which guides light emitted from the light emitting diode, with each other is upgraded. Eventually, the compact optical module permitting highly efficient optical coupling and having components thereof highly densely packaged can be provided.

摘要翻译： 为了提供一种紧凑的光学模块，其允许高效光耦合并且具有高密度封装的部件，包括在光学模块中并相对于半导体衬底的主表面沿垂直方向发光的发光二极管是 设置有集成到发光区域中的透镜，以及整合在围绕发光区域的保持部分。 因此，升级了将发光二极管发出的光引导的发光二极管与光纤对准的准备状态。 最终，可以提供允许高效光耦合并且具有高密度封装的部件的紧凑型光学模块。

公开(公告)号：US20100142885A1

公开(公告)日：2010-06-10

申请号：US12629218

申请日：2009-12-02

申请人： Kazunori SHINODA ,  Hideo ARIMOTO ,  Masahiro AOKI ,  Koichiro ADACHI

发明人： Kazunori SHINODA ,  Hideo ARIMOTO ,  Masahiro AOKI ,  Koichiro ADACHI

IPC分类号： G02B6/12 ,  G02B6/26

CPC分类号： G02B6/43 ,  B82Y20/00 ,  G02B6/12002 ,  G02B6/12004 ,  G02B6/4213 ,  G02B6/4214 ,  G02B6/4215 ,  G02F1/0105 ,  G02F1/01708 ,  G02F1/2257 ,  G02F2001/217 ,  H01S5/005 ,  H01S5/026 ,  H01S5/0265 ,  H01S5/06256 ,  H01S5/1209

摘要： The first and second optical waveguide device portions are optically coupled by 45-degree total reflection mirrors integrally formed in the respective device portions. The light generated by the first optical waveguide device portion is bent upward by the total reflection mirror of the first optical waveguide device portion. The light is totally reflected by the 45-degree total reflection mirror of the second optical waveguide device portion, and coupled to the second optical waveguide device portion. The first optical waveguide device portion has a lens device for focusing the emitted light onto a light emitting portion. The second optical waveguide device portion has a lens device for focusing the incident light onto a light receiving portion.

摘要翻译： 第一和第二光波导器件部分通过一体地形成在各个器件部分中的45度全反射镜光耦合。 由第一光波导器件部分产生的光被第一光波导器件部分的全反射镜向上弯曲。 光被第二光波导器件部分的45度全反射镜全反射，并且耦合到第二光波导器件部分。 第一光波导器件部分具有用于将发射的光聚焦到发光部分上的透镜装置。 第二光波导器件部分具有用于将入射光聚焦到光接收部分上的透镜装置。

公开(公告)号：US20120177227A1

公开(公告)日：2012-07-12

申请号：US13343206

申请日：2012-01-04

申请人： Koichiro ADACHI

发明人： Koichiro ADACHI

IPC分类号： H03G3/00

CPC分类号： H03G1/0088 ,  H03G3/001

摘要： A sound volume control circuit includes: a first operational amplifier; a variable resistor circuit connected between an output and an inverting input of the first operational amplifier and having a plurality of resistance values; an R-2R ladder circuit connected between a voltage source of an input voltage; and a control circuit controlling the variable resistor circuit and the R-2R ladder circuit; wherein when changing a resistance value of the variable resistor circuit from a first resistance value to a second resistance value, so as to change the output voltage in a step size where a difference between the output voltage corresponding to the first resistance value and the output voltage corresponding to the second resistance value is further segmented, the control circuit changes the magnitude of the electric current flowing to the variable resistor circuit by use of the R-2R ladder circuit.

摘要翻译： 音量控制电路包括：第一运算放大器; 连接在所述第一运算放大器的输出和反相输入端之间并具有多个电阻值的可变电阻电路; 连接在输入电压的电压源之间的R-2R梯形电路; 以及控制可变电阻电路和R-2R梯形电路的控制电路; 其中当将所述可变电阻器电路的电阻值从第一电阻值改变为第二电阻值时，以使所述输出电压以与所述第一电阻值相对应的输出电压与所述输出电压之间的差为单位的步长改变 对应于第二电阻值进一步分段，控制电路通过使用R-2R梯形电路改变流向可变电阻电路的电流的大小。