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1. 发明授权

US5523622A Semiconductor integrated device having parallel signal lines 失效
标题翻译：具有并行信号线的半导体集成器件
公开(公告)号：US5523622A
公开(公告)日：1996-06-04
申请号：US533410
申请日：1995-09-25
申请人： Takashi Harada , Kazuhiro Yoshihara , Kazutaka Masuzawa , Kiyoshi Hayashi , Jun Kumazawa , Kenji Nagai , Masahiko Nishiuma , Chiyoshi Kamada
发明人： Takashi Harada , Kazuhiro Yoshihara , Kazutaka Masuzawa , Kiyoshi Hayashi , Jun Kumazawa , Kenji Nagai , Masahiko Nishiuma , Chiyoshi Kamada
IPC分类号： H01L23/12 , H01L23/13 , H01L23/498 , H01L23/66 , H01L39/02
CPC分类号： H01L23/13 , H01L23/49822 , H01L23/66 , H01L2224/16 , H01L2224/16235 , H01L2224/73253 , H01L2924/01079 , H01L2924/1305 , H01L2924/15153 , H01L2924/1517 , H01L2924/15173 , H01L2924/16195 , H01L2924/3011
摘要： For taking a characteristic impedance matching of signal transmission lines in a package which carries thereon a semiconductor chip with a very high-speed LSI formed thereon, there is provided a semiconductor integrated circuit device wherein one ends of signal transmission lines formed on a main surface of a package substrate are extended up to the position just under pads formed on a main surface of the semiconductor chip and are connected to the pads on the chip electrically through bump electrodes, while opposite ends of the signal transmission lines are extended to the outer peripheral portion of the main surface of the package substrate and outer leads are bonded thereto.
摘要翻译：为了在其上承载有非常高速LSI的半导体芯片的封装中采用信号传输线的特征阻抗匹配，提供了一种半导体集成电路器件，其中形成在主表面上的信号传输线的一端封装基板延伸到刚好在形成在半导体芯片的主表面上的焊盘下方的位置，并且通过凸块电极与芯片上的焊盘电连接，同时信号传输线的相对端延伸到外周部分的封装基板和外部引线的主表面接合。

2. 发明授权

US06414773B1 Optical digital communication apparatus 失效
标题翻译：光数字通信设备
公开(公告)号：US06414773B1
公开(公告)日：2002-07-02
申请号：US09323947
申请日：1999-06-02
申请人： Kazutaka Masuzawa , Mikio Aoki
发明人： Kazutaka Masuzawa , Mikio Aoki
IPC分类号： H04B1000
CPC分类号： H04B10/1141
摘要： In a transmission section (1), a light-emitting element (13) is driven by a digital signal (DS1) serving as an object of transmission, light emitted from the light-emitting element (13) is split by a beam splitter (17) into two linearly polarized light components which are orthogonal to each other, and the linearly polarized light components are radiated by ¼-wavelength plates (15A and 15C) into the air as circularly polarized light components having the same rotating direction. In a reception section (2), the circularly polarized light components radiated from the transmission section (1) and circularly polarized light components having a reverse rotating direction are received by two different light-receiving elements (23A and 23B), and the difference of the levels of two electric signals output from the two light-receiving elements (23A and 23B) is calculated by a subtraction circuit (24), so that a digital signal serving as an object of transmission is obtained by removing a disturbance noise component. With this arrangement, an optical digital communication apparatus which can reduce influence of disturbance optical noise, improve an S/N ratio, and extend a communication distance.
摘要翻译：在发送部（1）中，发光元件（13）由作为发送对象的数字信号（DS1）驱动，从发光元件（13）发出的光被分束器（ 17）分成两个彼此正交的线偏振光分量，并且线偏振光分量被1/4波片（15A和15C）辐射到具有相同旋转方向的圆偏振光分量的空气中。在接收部分（2）中，从透射部分（1）辐射的圆偏振光分量和具有反向旋转方向的圆偏振光分量由两个不同的光接收元件（23A和23B）接收，通过减法电路（24）计算从两个光接收元件（23A和23B）输出的两个电信号的电平，从而通过去除干扰噪声分量来获得用作发送对象的数字信号。利用这种布置，可以减少干扰光噪声的影响，提高S / N比并延长通信距离的光数字通信装置。

3. 发明申请

US20140091850A1 GATE DRIVING DEVICE 有权
标题翻译：门驱动装置
公开(公告)号：US20140091850A1
公开(公告)日：2014-04-03
申请号：US14111915
申请日：2012-07-05
申请人： Takanori Kohama , Kazutaka Masuzawa
发明人： Takanori Kohama , Kazutaka Masuzawa
IPC分类号： H03K17/0812
CPC分类号： H03K17/0812 , H02M3/155 , H03K17/06 , H03K17/567 , H03K2217/0081
摘要： The present invention copes with fluctuations in a power supply voltage when a capacitor for coping with fluctuations in the power supply voltage has been omitted and also cases in which the power supply voltage is constantly low, thereby ensuring driving of an active element. A gate driving device of an IGBT includes: a first switch portion which turns on the IGBT; a second switch portion which turns off the IGBT; a current control portion which controls the outflow of charge on the gate to a ground line such that current is constant; a first protection circuit which suppresses outflow of gate current to the power supply line; and a second protection circuit which detects a prescribed fluctuation in an internal power supply voltage Vdc, and interrupts the connection between the current control portion and the ground line.
摘要翻译：本发明在省略了用于应对电源电压波动的电容器以及电源电压恒定为低的情况下，能够应对电源电压的波动，从而确保有源元件的驱动。 IGBT的栅极驱动装置包括：导通IGBT的第一开关部; 断开IGBT的第二开关部分; 电流控制部分，其控制栅极上的电荷流到接地线，使得电流恒定; 第一保护电路，其抑制栅极电流流向电源线; 以及第二保护电路，其检测内部电源电压Vdc中的规定的波动，并且中断电流控制部和接地线之间的连接。

4. 发明授权

US08217704B2 Gate drive device 有权
标题翻译：门驱动装置
公开(公告)号：US08217704B2
公开(公告)日：2012-07-10
申请号：US12662918
申请日：2010-05-11
申请人： Takanori Kohama , Kazutaka Masuzawa , Naoki Kumagai
发明人： Takanori Kohama , Kazutaka Masuzawa , Naoki Kumagai
IPC分类号： H03K17/14
CPC分类号： H03K17/162 , H03K17/0828 , H03K17/165
摘要： A gate drive device which can suppress the fluctuation of an internal power source voltage and output voltage, while reducing the number of parts by omitting a bypass capacitor connected in parallel with a semiconductor integrated circuit, is provided. The gate drive device drives the gate of an active element with a large input capacity, such as an IGBT or MOSFET, and includes a semiconductor integrated circuit. The semiconductor integrated circuit has an internal power source based on an external power source, such as a battery. The semiconductor integrated circuit incorporates a voltage drop suppressing circuit, configured so that, if an input external power source voltage momentarily drops below a minimum operating voltage, a drop of an internal power source voltage below the minimum operating voltage, and a sharp drop in a voltage output to the gate, are prevented by the voltage drop suppressing circuit.
摘要翻译：提供一种能够抑制内部电源电压和输出电压的波动的栅极驱动装置，同时通过省略与半导体集成电路并联连接的旁路电容器来减少部件数量。栅极驱动装置驱动具有大输入容量的有源元件的栅极，例如IGBT或MOSFET，并且包括半导体集成电路。半导体集成电路具有基于诸如电池的外部电源的内部电源。半导体集成电路包括电压降抑制电路，其被配置为使得如果输入的外部电源电压瞬时下降到最低工作电压以下，则内部电源电压的下降低于最小工作电压，并且急剧下降通过电压降抑制电路防止输出到栅极的电压。

5. 发明申请

US20100289562A1 Gate drive device 有权
标题翻译：门驱动装置
公开(公告)号：US20100289562A1
公开(公告)日：2010-11-18
申请号：US12662918
申请日：2010-05-11
申请人： Takanori Kohama , Kazutaka Masuzawa , Naoki Kumagai
发明人： Takanori Kohama , Kazutaka Masuzawa , Naoki Kumagai
IPC分类号： G05F1/10
CPC分类号： H03K17/162 , H03K17/0828 , H03K17/165
摘要： A gate drive device which can suppress the fluctuation of an internal power source voltage and output voltage, while reducing the number of parts by omitting a bypass capacitor connected in parallel with a semiconductor integrated circuit, is provided. The gate drive device drives the gate of an active element with a large input capacity, such as an IGBT or MOSFET, and includes a semiconductor integrated circuit. The semiconductor integrated circuit has an internal power source based on an external power source, such as a battery. The semiconductor integrated circuit incorporates a voltage drop suppressing circuit, configured so that, if an input external power source voltage momentarily drops below a minimum operating voltage, a drop of an internal power source voltage below the minimum operating voltage, and a sharp drop in a voltage output to the gate, are prevented by the voltage drop suppressing circuit.
摘要翻译：提供一种能够抑制内部电源电压和输出电压的波动的栅极驱动装置，同时通过省略与半导体集成电路并联连接的旁路电容器来减少部件数量。栅极驱动装置驱动具有大输入容量的有源元件的栅极，例如IGBT或MOSFET，并且包括半导体集成电路。半导体集成电路具有基于诸如电池的外部电源的内部电源。半导体集成电路包括电压降抑制电路，其被配置为使得如果输入的外部电源电压瞬时下降到最低工作电压以下，则内部电源电压的下降低于最小工作电压，并且急剧下降通过电压降抑制电路防止输出到栅极的电压。

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