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    • 4. 发明申请
    • OPTICAL MODULE
    • 光学模块
    • US20110188108A1
    • 2011-08-04
    • US13015769
    • 2011-01-28
    • Osamu KAGAYAHirofumi NakagawaTaichi Kogure
    • Osamu KAGAYAHirofumi NakagawaTaichi Kogure
    • G02F1/01
    • G02F1/01
    • To achieve a size-reduction of an optical module having a circuit that generates a high-frequency clock signal for controlling optical modulation by an optical modulator and to suppress radiation of electromagnetic waves from the optical module. A through-hole via is formed on a multilayer printed circuit board so as to be insulated from a plurality of grounded wiring layers by an anti-pad. A coaxial connector and an intensity modulation control IC that generates a high-frequency clock signal are provided on the multilayer printed circuit board. The high-frequency clock signal is input to the coaxial connector through a micro-strip line formed on the multilayer printed circuit board. An open stub connected to the through-hole via is provided on a wiring layer between a first wiring layer and a second wiring layer among the plurality of wiring layers.
    • 为了实现具有生成用于控制光调制器的光调制的高频时钟信号的电路并且抑制来自光模块的电磁波的辐射的光模块的尺寸减小。 在多层印刷电路板上形成通孔通孔,以便通过防焊垫与多个接地布线层绝缘。 在多层印刷电路板上设置同轴连接器和产生高频时钟信号的强度调制控制IC。 高频时钟信号通过形成在多层印刷电路板上的微带线输入到同轴连接器。 在多个布线层中的第一布线层和第二布线层之间的布线层上设置有与通孔孔相连的开放短截线。
    • 5. 发明授权
    • Level shift circuit
    • 电平移位电路
    • US07176741B2
    • 2007-02-13
    • US11261518
    • 2005-10-31
    • Tomoya IshikawaHirofumi Nakagawa
    • Tomoya IshikawaHirofumi Nakagawa
    • H03L5/00
    • H03K3/356139H03K3/356191
    • To a level shift basic circuit having a CMOS configuration and composed of four transistors M1 through M4, a control circuit for preventing feed-through current through the transistors is added. Transitions of complementary data inputs Vin1 and Vin2 are made in a period in which n-MOS transistors M7 and M8 for control are turned OFF by changing a control input VS1 to an L level (switch-off period). In this switch-off period, each source of the n-MOS transistors M1 and M2 is disconnected from VSS. In addition, in the switch-off period, a control input VS2 is changed to an L level, thereby turning ON p-MOS transistors M5 and M6 for control. In a period in which the control p-MOS transistors M5 and M6 are ON, data outputs Vout1 and Vout2 are both precharged to VDD (precharge period).
    • 对于具有CMOS配置并由四个晶体管M 1至M 4组成的电平转换基本电路,添加用于防止通过晶体管的馈通电流的控制电路。 互补数据输入Vin 1和Vin 2的转换是通过将控制输入VS 1改变为L电平(关断周期)而将用于控制的n-MOS晶体管M 7和M 8截止的时段进行的。 在该关断期间,n-MOS晶体管M 1,M 2的各源与VSS断开。 此外,在关断期间,控制输入VS2变为L电平,从而导通用于控制的p-MOS晶体管M 5和M 6。 在控制p-MOS晶体管M5和M6接通的时段中,数据输出Vout 1和Vout 2都被预充电到VDD(预充电周期)。
    • 7. 发明申请
    • Metal paste and film formation method using the same
    • 金属膏和成膜方法使用相同
    • US20050127332A1
    • 2005-06-16
    • US11002407
    • 2004-12-02
    • Hirofumi NakagawaKenichiro Takaoka
    • Hirofumi NakagawaKenichiro Takaoka
    • C23C18/02C23C20/00H01B1/00H01B1/20H01B1/22H01B13/00H05K1/09
    • H05K1/097H01B1/22
    • A metal paste comprising a mixture consisting of: metal colloidal particles, which consist of particles consisting of one or more metals or metal oxides and a protective agent for protecting the particles; and organic metallic compounds. The metal paste preferably comprising a mixture consisting of: metal colloidal particles comprising, as a protective agent, a compound having an amino group, sulfanyl group, sulfide-type sulfanediyl group, hydroxy group, or ether-type oxy group; and organic metallic compounds such as mercaptan metallic compounds or sulfide metallic compounds of α-pinene, α-terpinenol, or isobornyl acetate, abietic acid metallic compounds, neodecanoic acid metallic compounds, 2-ethylhexanoic acid metallic compounds, naphthenic acid metallic compounds, or decanoic acid metallic compounds.
    • 包含由以下组成的混合物的金属糊料:由一种或多种金属或金属氧化物组成的颗粒组成的金属胶体颗粒和用于保护颗粒的保护剂; 和有机金属化合物。 金属糊料优选包含由以下组成的混合物:包含作为保护剂的金属胶体粒子,具有氨基的化合物,硫烷基,硫化物型亚磺酰基,羟基或醚型氧基; 和有机金属化合物如硫醇金属化合物或α-蒎烯,α-萜品烯醇或乙酸异冰片酯的硫化物金属化合物,松香酸金属化合物,新癸酸金属化合物,2-乙基己酸金属化合物,环烷酸金属化合物或癸酸 酸性金属化合物。
    • 8. 发明授权
    • Optical module
    • 光模块
    • US08467118B2
    • 2013-06-18
    • US13015769
    • 2011-01-28
    • Osamu KagayaHirofumi NakagawaTaichi Kogure
    • Osamu KagayaHirofumi NakagawaTaichi Kogure
    • G02B26/00G02B6/12G02B6/36
    • G02F1/01
    • To achieve a size-reduction of an optical module having a circuit that generates a high-frequency clock signal for controlling optical modulation by an optical modulator and to suppress radiation of electromagnetic waves from the optical module. A through-hole via is formed on a multilayer printed circuit board so as to be insulated from a plurality of grounded wiring layers by an anti-pad. A coaxial connector and an intensity modulation control IC that generates a high-frequency clock signal are provided on the multilayer printed circuit board. The high-frequency clock signal is input to the coaxial connector through a micro-strip line formed on the multilayer printed circuit board. An open stub connected to the through-hole via is provided on a wiring layer between a first wiring layer and a second wiring layer among the plurality of wiring layers.
    • 为了实现具有生成用于控制光调制器的光调制的高频时钟信号的电路并且抑制来自光模块的电磁波的辐射的光模块的尺寸减小。 在多层印刷电路板上形成通孔通孔,以便通过防焊垫与多个接地布线层绝缘。 在多层印刷电路板上设置同轴连接器和产生高频时钟信号的强度调制控制IC。 高频时钟信号通过形成在多层印刷电路板上的微带线输入到同轴连接器。 在多个布线层中的第一布线层和第二布线层之间的布线层上设置有与通孔孔相连的开放短截线。
    • 9. 发明申请
    • IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
    • 图像形成装置和图像形成方法
    • US20120188326A1
    • 2012-07-26
    • US13213266
    • 2011-08-19
    • Ikuko KanazawaHirofumi Nakagawa
    • Ikuko KanazawaHirofumi Nakagawa
    • B41J2/325
    • B41M1/24
    • Disclosed is an image forming method including forming a concave-convex pattern on a surface of a plate by pressing the plate and a mold having the convex-concave pattern on a surface thereof against each other, the plate having the surface made of a material in which a hardness changes reversibly at a transition point temperature, forming a plate image constituted of a concave-convex region having the concave-convex pattern and a smooth region in which the concave-convex pattern is erased on the plate by erasing the concave-convex pattern by selectively heating the surface of the plate to the transfer point temperature or above corresponding to an image signal, and forming an image on a recording medium by forming an ink image on the plate by applying an ink on the plate image and by transferring the ink image on to the recording medium.
    • 公开了一种图像形成方法,包括通过将板压在板的表面上并在其表面上具有凸凹图案的模具彼此相对地形成凹凸图案,该板具有由材料制成的表面 其硬度在转变点温度下可逆地变化,形成由凹凸图案的凹凸区域构成的平板图像和通过擦除凹凸图案而在该板上擦除凹凸图案的平滑区域 通过将所述板的表面选择性地加热到对应于图像信号的转印点温度或高于图像信号的转印点温度,并且通过在平板图像上施加墨水将印刷图像形成在印版上形成图像,并通过转印 油墨图像到记录介质上。
    • 10. 发明申请
    • ELECTROSTATIC PROTECTION ELEMENT
    • 静电保护元件
    • US20120105389A1
    • 2012-05-03
    • US13144631
    • 2010-11-01
    • Tetsuo AsadaHirofumi Nakagawa
    • Tetsuo AsadaHirofumi Nakagawa
    • H01L29/74G06F3/038
    • H01L27/0262
    • A electrostatic protection element (101) includes: a substrate (1) of a first conductivity type; a first low-concentration diffusion region (2) of a second conductivity type and a second low-concentration diffusion region (3) of the first conductivity type which are formed on said substrate (1), the second conductivity type being different from the first conductivity type; a first high-concentration diffusion region (4) of the second conductivity type and a second high-concentration diffusion region (5) of the first conductivity type which are (i) formed in said first low-concentration diffusion region (2), and (ii) electrically connected with each other; a third high-concentration diffusion region (9) of the first conductivity type and a fourth high-concentration diffusion region (8) of the second conductivity type which are (i) formed in said second low-concentration diffusion region (3), and (ii) electrically connected with each other; a fifth high-concentration diffusion region (6) of the first conductivity type formed in said first low-concentration diffusion region (2); and a sixth high-concentration diffusion region (7) of the second conductivity type formed in said second low-concentration diffusion region (3). The fifth high-concentration diffusion region (6) and the sixth high-concentration diffusion region (7) are electrically connected with each other.
    • 静电保护元件(101)包括:第一导电类型的衬底(1); 形成在所述基板(1)上的第一导电类型的第一低浓度扩散区(2)和第一导电类型的第二低浓度扩散区(3),所述第二导电类型不同于所述第一导电类型 导电型; 第一导电类型的第一高浓度扩散区域(4)和在所述第一低浓度扩散区域(2)中形成的第一导电类型的第二高浓度扩散区域(5),以及 (ii)彼此电连接; 第一导电类型的第三高浓度扩散区域(9)和在所述第二低浓度扩散区域(3)中形成的第二导电类型的第四高浓度扩散区域(8),以及 (ii)彼此电连接; 形成在所述第一低浓度扩散区域(2)中的第一导电类型的第五高浓度扩散区域(6); 以及形成在所述第二低浓度扩散区域(3)中的第二导电类型的第六高浓度扩散区域(7)。 第五高浓度扩散区域(6)和第六高浓度扩散区域(7)彼此电连接。