OPTICAL SEMICONDUCTOR DEVICE, AND OPTICAL PICKUP DEVICE AND ELECTRONIC DEVICE USING THE OPTICAL SEMICONDUCTOR DEVICE
    1.
    发明申请
    OPTICAL SEMICONDUCTOR DEVICE, AND OPTICAL PICKUP DEVICE AND ELECTRONIC DEVICE USING THE OPTICAL SEMICONDUCTOR DEVICE 审中-公开
    光学半导体器件和光学拾取器件和使用光学半导体器件的电子器件

    公开(公告)号:US20110147873A1

    公开(公告)日:2011-06-23

    申请号:US13037936

    申请日:2011-03-01

    IPC分类号: H01L31/0216

    摘要: A semiconductor substrate is bonded to a glass board in a peripheral portion of the semiconductor substrate by an adhesive layer. A hollow region is formed in a portion surrounded by the semiconductor substrate, the glass board, and the adhesive layer. In the hollow region, reinforcing adhesive layers are formed on a back surface of the semiconductor substrate and at positions corresponding to bumps provided at regular intervals. The reinforcing adhesive layers allow the semiconductor substrate to have strength withstanding to a load of a testing probe.

    摘要翻译: 半导体衬底通过粘合剂层结合到半导体衬底的周边部分中的玻璃板。 在由半导体衬底,玻璃板和粘合剂层包围的部分中形成中空区域。 在中空区域中,在半导体衬底的背面和与规定间隔设置的凸块对应的位置上形成增强粘合剂层。 增强粘合剂层允许半导体衬底具有抵抗测试探针的负载的强度。

    Photocurrent amplifier circuit and optical pick-up device
    2.
    发明授权
    Photocurrent amplifier circuit and optical pick-up device 失效
    光电放大器电路和光学拾取装置

    公开(公告)号:US07335872B2

    公开(公告)日:2008-02-26

    申请号:US11531451

    申请日:2006-09-13

    IPC分类号: H03F3/08

    CPC分类号: H03F3/08

    摘要: A photocurrent amplifier circuit which can be realized as a simple and downsized photocurrent amplifier circuit is capable of selectively amplifying, in an amplifier circuit in an output stage, one or more of current signals which are respectively obtainable from light receiving circuits. The photocurrent amplifier circuit includes: light receiving circuits; amplifier devices associated with the light receiving circuits; device selector switches which apply input voltages, which deactivate the amplifier devices, to the associated amplifier devices; and a differential amplifier circuit having an inverting input unit configured of the amplifier devices which are connected in parallel. The inputs of the amplifier devices and the output of the differential amplifier circuit are connected by gain resistors. The differential amplifier circuit amplifies, into voltage signals, current signals flowing from the light receiving circuits which are respectively associated with the gain resistors.

    摘要翻译: 可以实现为简单且小型化的光电流放大器电路的光电流放大器电路能够在输出级的放大器电路中选择性地放大可分别从光接收电路获得的一个或多个电流信号。 光电流放大电路包括:光接收电路; 与光接收电路相关联的放大器装置; 设备选择器开关,其将输入电压(其去激活放大器设备)施加到相关联的放大器设备; 以及差分放大电路,其具有由并联连接的放大器装置构成的反相输入单元。 放大器设备的输入端和差分放大器电路的输出端由增益电阻连接。 差分放大器电路将分别与增益电阻相关联的光接收电路的电流信号放大为电压信号。

    Differential amplifier circuit, operational amplifier circuit, light-receiving amplifier circuit using the same, function selection circuit, and light-receiving circuit using the same
    3.
    发明申请
    Differential amplifier circuit, operational amplifier circuit, light-receiving amplifier circuit using the same, function selection circuit, and light-receiving circuit using the same 有权
    差分放大器电路,运算放大器电路,使用其的光接收放大器电路,功能选择电路和使用其的光接收电路

    公开(公告)号:US20090008535A1

    公开(公告)日:2009-01-08

    申请号:US12230510

    申请日:2008-08-29

    IPC分类号: H03F3/08 H03F3/45

    摘要: A differential amplifier circuit, an operational amplifier circuit, and a light-receiving amplifier circuit using the same are provided, by which the influence of an on resistance of an analog switch is reduced during the switching of gain resistances. An NPN transistor Q2 having an emitted connected in common is connected to an NPN transistor Q1 of a differential amplifier circuit including the NPN transistors Q1 and Q3, PNP transistors Q4 and Q5, and a constant-current source I1, and analog switches ASW-1c and ASW-2c are inserted and connected to the collectors of the NPN transistors Q1 and Q2 and connected to the base and collector of the PNP transistor Q4 and the base of the PNP transistor Q5. Further, analog switches ASW-1b and ASW-2b are connected to the bases of the NPN transistors Q1 and Q2, respectively.

    摘要翻译: 提供了一种差分放大器电路,运算放大器电路和使用该差分放大器电路的光接收放大器电路,由此在增益电阻切换期间,模拟开关的导通电阻的影响降低。 具有发射连接的NPN晶体管Q2连接到包括NPN晶体管Q1和Q3,PNP晶体管Q4和Q5以及恒流源I1的差分放大器电路的NPN晶体管Q1和模拟开关ASW-1c 和ASW-2c插入并连接到NPN晶体管Q1和Q2的集电极并连接到PNP晶体管Q4的基极和集电极以及PNP晶体管Q5的基极。 此外,模拟开关ASW-1b和ASW-2b分别连接到NPN晶体管Q1和Q2的基极。

    Photodetector-amplifier circuit and optical pickup device
    4.
    发明授权
    Photodetector-amplifier circuit and optical pickup device 有权
    光检测放大器电路和光学拾取装置

    公开(公告)号:US07470885B2

    公开(公告)日:2008-12-30

    申请号:US11216003

    申请日:2005-09-01

    IPC分类号: H03K17/78 H03K19/14

    CPC分类号: G11B7/13 G01J1/44

    摘要: The present invention provides a photodetector-amplifier circuit capable of eliminating an influence of noise due to stray light entering a non-selected photodetector to stably select and switch a photodetector. The photodetector-amplifier circuit of the present invention comprises photodetectors 12 and 13. The photodetector 12 is connected via a switch 16 between an inverting input terminal of an operational amplifier 11 and GND, and is also connected via a switch 18 to a voltage source Vcc. The photodetector 13 is connected via a switch 17 to the inverting input terminal of the operational amplifier 11 and GND, and is also connected via a switch 19 to the voltage source Vcc.

    摘要翻译: 本发明提供一种光电检测器 - 放大器电路,其能够消除由于杂散光进入未选择的光电检测器而导致的噪声的影响,以稳定地选择和切换光电检测器。 本发明的光检测器放大器电路包括光电探测器12和13.光电检测器12通过开关16连接在运算放大器11的反相输入端和GND之间,并经由开关18连接到电压源Vcc 。 光检测器13经由开关17连接到运算放大器11和GND的反相输入端,并且还经由开关19连接到电压源Vcc。

    Photodetector-amplifier circuit and optical pickup device
    5.
    发明申请
    Photodetector-amplifier circuit and optical pickup device 有权
    光检测放大器电路和光学拾取装置

    公开(公告)号:US20060054789A1

    公开(公告)日:2006-03-16

    申请号:US11216003

    申请日:2005-09-01

    IPC分类号: G01J1/42

    CPC分类号: G11B7/13 G01J1/44

    摘要: The present invention provides a photodetector-amplifier circuit capable of eliminating an influence of noise due to stray light entering a non-selected photodetector to stably select and switch a photodetector. The photodetector-amplifier circuit of the present invention comprises photodetectors 12 and 13. The photodetector 12 is connected via a switch 16 between an inverting input terminal of an operational amplifier 11 and GND, and is also connected via a switch 18 to a voltage source Vcc. The photodetector 13 is connected via a switch 17 to the inverting input terminal of the operational amplifier 11 and GND, and is also connected via a switch 19 to the voltage source Vcc.

    摘要翻译: 本发明提供一种光电检测器 - 放大器电路,其能够消除由于杂散光进入未选择的光电检测器而导致的噪声的影响,以稳定地选择和切换光电检测器。 本发明的光检测放大器电路包括光检测器12和13。 光电检测器12通过开关16连接在运算放大器11的反相输入端和GND之间,并且还通过开关18连接到电压源Vcc。 光检测器13经由开关17连接到运算放大器11和GND的反相输入端,并且还经由开关19连接到电压源Vcc。

    Differential amplifier circuit, operational amplifier circuit, light-receiving amplifier circuit using the same, function selection circuit, and light-receiving circuit using the same
    6.
    发明申请
    Differential amplifier circuit, operational amplifier circuit, light-receiving amplifier circuit using the same, function selection circuit, and light-receiving circuit using the same 失效
    差分放大器电路,运算放大器电路,使用其的光接收放大器电路,功能选择电路和使用其的光接收电路

    公开(公告)号:US20060038619A1

    公开(公告)日:2006-02-23

    申请号:US11257146

    申请日:2005-10-25

    IPC分类号: H03F3/08

    CPC分类号: H03F3/08 H03F3/45085

    摘要: A differential amplifier circuit, an operational amplifier circuit, and a light-receiving amplifier circuit using the same are provided, by which the influence of an on resistance of an analog switch is reduced during the switching of gain resistances. An NPN transistor Q2 having an emitted connected in common is connected to an NPN transistor Q1 of a differential amplifier circuit including the NPN transistors Q1 and Q3, PNP transistors Q4 and Q5, and a constant-current source 11, and analog switches ASW-1c and ASW-2c are inserted and connected to the collectors of the NPN transistors Q1 and Q2 and connected to the base and collector of the PNP transistor Q4 and the base of the PNP transistor Q5. Further, analog switches ASW-1b and ASW-2b are connected to the bases of the NPN transistors Q1 and Q2, respectively.

    摘要翻译: 提供了一种差分放大器电路,运算放大器电路和使用该差分放大器电路的光接收放大器电路,由此在增益电阻切换期间,模拟开关的导通电阻的影响降低。 具有共同发射的NPN晶体管Q 2连接到包括NPN晶体管Q 1和Q 3,PNP晶体管Q 4和Q 5的差分放大器电路的NPN晶体管Q 1和恒流源11, 并且模拟开关ASW-1c和ASW-2c被插入并连接到NPN晶体管Q 1和Q 2的集电极并连接到PNP晶体管Q 4的基极和集电极以及PNP晶体管Q 5的基极 。 此外,模拟开关ASW-1b和ASW-2b分别连接到NPN晶体管Q 1和Q 2的基极。

    Amplifier unit and optical disc drive
    7.
    发明授权
    Amplifier unit and optical disc drive 失效
    放大器单元和光盘驱动器

    公开(公告)号:US07391265B2

    公开(公告)日:2008-06-24

    申请号:US11430241

    申请日:2006-05-09

    IPC分类号: H03F3/45 H03F3/08

    摘要: An amplifier unit is provided, with which the need for manufacturing a photoelectric conversion IC in Bi-CMOS process is eliminated, and relatively low process cost of the photoelectric conversion IC is achieved. The input section of a buffer (the base of a transistor Q5) is connected with a plurality of patterns of phase compensation circuits each including a resistor and a capacitor connected in series. A bipolar transistor (Q6) is interposed between a positive power supply line and a capacitor (C2) forming a capacitance of the phase compensation circuit. By switching on/off the bipolar transistor (Q6), the capacitance value and resistance value of the phase compensation circuit are switched. Since the bipolar transistor (Q6) is interposed between the capacitor (C2) and the positive power supply line, base current (Isw) acting as a switch signal does not affect the amplifier unit.

    摘要翻译: 提供放大器单元,消除了在Bi-CMOS工艺中制造光电转换IC的需要,并且实现了光电转换IC的相对低的处理成本。 缓冲器(晶体管Q 5的基极)的输入部分与多个相位补偿电路相连,每个相位补偿电路均包括串联连接的电阻器和电容器。 在正电源线和形成相位补偿电路的电容的电容器(C 2)之间插入双极晶体管(Q6)。 通过接通/关断双极晶体管(Q 6),相位补偿电路的电容值和电阻值被切换。 由于双极晶体管(Q 6)插在电容器(C 2)和正电源线之间,所以作为开关信号的基极电流(Isw)不影响放大器单元。

    RECEIVED-LIGHT AMPLIFIER
    8.
    发明申请
    RECEIVED-LIGHT AMPLIFIER 失效
    接收光放大器

    公开(公告)号:US20080106338A1

    公开(公告)日:2008-05-08

    申请号:US11924725

    申请日:2007-10-26

    IPC分类号: H03F3/08

    CPC分类号: H03F3/08

    摘要: The present invention has as an object to provide, for received-light amplifiers capable of changing the current-voltage conversion efficiency by changing the resistance of feedback resistors, a received-light amplifier which can prevent the deterioration of output voltage linearity occurring when the current-voltage conversion efficiency is low. The present invention includes: a light-receiving device PD; a current amplification circuit which amplifies an output current of the light-receiving device PD, and outputs the amplified current; and a current-voltage conversion circuit which performs voltage-conversion on the output current from the current amplification circuit. The current amplification circuit includes: an operational amplifier; a feedback resistor Rgn1 connected between an inverting input terminal and an output terminal of the operational amplifier; a feedback resistor Rgn2 connected in parallel to the feedback resistor Rgn1; a feedback resistor Rgp connected between a non-inverting input terminal and the output terminal of the operational amplifier; and a transistor switch SW3 inserted between the feedback resistor Rgn2 and one of the output terminal and the inverting input terminal of the operational amplifier.

    摘要翻译: 本发明的目的是提供一种能够通过改变反馈电阻的电阻来改变电流 - 电压转换效率的接收光放大器,该接收光放大器可以防止当电流产生时输出电压线性的劣化 电压转换效率低。 本发明包括:光接收装置PD; 电流放大电路,放大光接收装置PD的输出电流,并输出放大的电流; 以及对来自电流放大电路的输出电流进行电压转换的电流 - 电压转换电路。 电流放大电路包括:运算放大器; 连接在运算放大器的反相输入端子和输出端子之间的反馈电阻器Rgn1; 反馈电阻器Rgn2并联连接到反馈电阻器Rgn 1; 连接在运算放大器的非反相输入端子和输出端子之间的反馈电阻器Rgp; 以及插入在反馈电阻器Rgn2和运算放大器的输出端子和反相输入端子中的一个之间的晶体管开关SW 3。

    Differential amplifier circuit, operational amplifier circuit, light-receiving amplifier circuit using the same, function selection circuit, and light-receiving circuit using the same
    9.
    发明授权
    Differential amplifier circuit, operational amplifier circuit, light-receiving amplifier circuit using the same, function selection circuit, and light-receiving circuit using the same 有权
    差分放大器电路,运算放大器电路,使用其的光接收放大器电路,功能选择电路和使用其的光接收电路

    公开(公告)号:US07859342B2

    公开(公告)日:2010-12-28

    申请号:US12230510

    申请日:2008-08-29

    IPC分类号: H03F3/08

    摘要: A differential amplifier circuit, an operational amplifier circuit, and a light-receiving amplifier circuit using the same are provided, by which the influence of an on resistance of an analog switch is reduced during the switching of gain resistances. An NPN transistor Q2 having an emitted connected in common is connected to an NPN transistor Q1 of a differential amplifier circuit including the NPN transistors Q1 and Q3, PNP transistors Q4 and Q5, and a constant-current source I1, and analog switches ASW-1c and ASW-2c are inserted and connected to the collectors of the NPN transistors Q1 and Q2 and connected to the base and collector of the PNP transistor Q4 and the base of the PNP transistor Q5. Further, analog switches ASW-1b and ASW-2b are connected to the bases of the NPN transistors Q1 and Q2, respectively.

    摘要翻译: 提供了一种差分放大器电路,运算放大器电路和使用该差分放大器电路的光接收放大器电路,由此在增益电阻切换期间,模拟开关的导通电阻的影响降低。 具有发射连接的NPN晶体管Q2连接到包括NPN晶体管Q1和Q3,PNP晶体管Q4和Q5以及恒流源I1的差分放大器电路的NPN晶体管Q1和模拟开关ASW-1c 和ASW-2c插入并连接到NPN晶体管Q1和Q2的集电极并连接到PNP晶体管Q4的基极和集电极以及PNP晶体管Q5的基极。 此外,模拟开关ASW-1b和ASW-2b分别连接到NPN晶体管Q1和Q2的基极。

    Optical semiconductor device having a shield wire and optical pickup device having a shield wire
    10.
    发明授权
    Optical semiconductor device having a shield wire and optical pickup device having a shield wire 失效
    具有屏蔽线的光学半导体器件和具有屏蔽线的光学拾取器件

    公开(公告)号:US07534981B2

    公开(公告)日:2009-05-19

    申请号:US11762192

    申请日:2007-06-13

    IPC分类号: G02B7/04 H01J40/14 H03F3/08

    摘要: An optical semiconductor device of the present invention includes: a light-receiving element which converts light into an electric signal; an amplifier circuit having an input terminal to which the light-receiving element is connected, and which amplifies the electric signal; a connection wire to which the signal amplified by the amplifier circuit is outputted; an output circuit having an input terminal to which the connection wire is connected, and which performs current amplification on the signal amplified by the amplifier circuit and outputs the current-amplified signal to an output terminal; a feedback resistor connected between the input of the amplifier circuit and the output terminal; and a shield wire connected to a potential outputted from the output circuit or a potential resulting from a voltage follower of the potential outputted from the output circuit, and which shields the connection wire from noise.

    摘要翻译: 本发明的光半导体器件包括:将光转换为电信号的光接收元件; 放大器电路,其具有连接有光接收元件的输入端,放大电信号; 输出由放大电路放大的信号的连接线; 输出电路,其具有连接线连接的输入端子,并且对由放大器电路放大的信号执行电流放大,并将电流放大信号输出到输出端子; 连接在放大器电路的输入端和输出端之间的反馈电阻器; 以及连接到从输出电路输出的电位的屏蔽线或从输出电路输出的电位的电压跟随器产生的电位,并且屏蔽连接线的噪声。