公开(公告)号：US08558587B2

公开(公告)日：2013-10-15

申请号：US13482384

申请日：2012-05-29

Applicant: Osamu Machida ,  Shinji Sato

Inventor： Osamu Machida ,  Shinji Sato

IPC: H03K3/00

CPC classification number: H02M3/1588 ,  H02M1/08 ,  Y02B70/1466

Abstract: A gate driver turns on/off a switching element Q1 by applying a control signal from a controller to a gate of the switching element. The switching element has the gate, a drain, and a source and contains a wide-bandgap semiconductor. The gate driver includes a parallel circuit that includes a first capacitor C1 and a first resistor R1 and is connected between the controller and the gate of the switching element and a short-circuit unit S4 that is connected between the gate and source of the switching element and short-circuits the gate and source of the switching element after a delay from an OFF pulse of the control signal.

Abstract translation: 栅极驱动器通过将来自控制器的控制信号施加到开关元件的栅极来打开/关闭开关元件Q1。 开关元件具有栅极，漏极和源极，并且包含宽带隙半导体。 栅极驱动器包括并联电路，其包括第一电容器C1和第一电阻器R1，并且连接在控制器和开关元件的栅极之间，并且连接在开关元件的栅极和源极之间的短路单元S4 并且在从控制信号的OFF脉冲延迟之后使开关元件的栅极和源极短路。

公开(公告)号：US08546937B2

公开(公告)日：2013-10-01

申请号：US13033251

申请日：2011-02-23

Applicant: Osamu Machida ,  Michiyoshi Izawa

Inventor： Osamu Machida ,  Michiyoshi Izawa

IPC: H01L23/34 ,  H01L23/48

CPC classification number: H01L29/7813 ,  H01L23/49513 ,  H01L23/49541 ,  H01L23/49562 ,  H01L23/49575 ,  H01L24/05 ,  H01L24/06 ,  H01L24/29 ,  H01L24/32 ,  H01L24/45 ,  H01L24/48 ,  H01L24/49 ,  H01L27/0605 ,  H01L27/085 ,  H01L29/2003 ,  H01L29/42316 ,  H01L29/7786 ,  H01L29/872 ,  H01L2224/04026 ,  H01L2224/04042 ,  H01L2224/05073 ,  H01L2224/05082 ,  H01L2224/05155 ,  H01L2224/05166 ,  H01L2224/05553 ,  H01L2224/05624 ,  H01L2224/05644 ,  H01L2224/0603 ,  H01L2224/06505 ,  H01L2224/291 ,  H01L2224/32245 ,  H01L2224/45124 ,  H01L2224/45144 ,  H01L2224/45147 ,  H01L2224/48091 ,  H01L2224/48247 ,  H01L2224/48465 ,  H01L2224/48624 ,  H01L2224/48644 ,  H01L2224/48724 ,  H01L2224/48844 ,  H01L2224/49171 ,  H01L2224/73265 ,  H01L2224/92247 ,  H01L2924/01014 ,  H01L2924/01015 ,  H01L2924/01023 ,  H01L2924/01028 ,  H01L2924/01029 ,  H01L2924/01033 ,  H01L2924/01074 ,  H01L2924/01079 ,  H01L2924/01082 ,  H01L2924/0132 ,  H01L2924/014 ,  H01L2924/0781 ,  H01L2924/12032 ,  H01L2924/1305 ,  H01L2924/13055 ,  H01L2924/1306 ,  H01L2924/13063 ,  H01L2924/13064 ,  H01L2924/13091 ,  H01L2924/181 ,  H01L2924/00014 ,  H01L2924/00 ,  H01L2924/01013 ,  H01L2924/01026 ,  H01L2224/48824 ,  H01L2224/48744

Abstract: A semiconductor devices includes a first die pad having the conductivity connected to one end of a DC power source, a second die pad having the conductivity connected to the other end of the DC power source, a first switching element provided on the first die pad, receiving DC power from the DC power source via the first die pad, and having a terminal opposite to the first die pad connected to a first output terminal, and a second switching element provided on the second die pad, receiving the DC power from the DC power source via the second die pad, and connected to the first output terminal, and having a terminal opposite to the second die pad.

Abstract translation: 半导体器件包括具有连接到DC电源的一端的导电性的第一管芯焊盘，具有连接到DC电源的另一端的导电性的第二管芯焊盘，设置在第一管芯焊盘上的第一开关元件， 从直流电源经由第一管芯焊盘接收直流电力，并且具有与连接到第一输出端子的第一管芯焊盘相对的端子和设置在第二管芯焊盘上的第二开关元件，从DC接收直流电力 电源，并且连接到第一输出端子，并且具有与第二管芯焊盘相对的端子。

公开(公告)号：US08425026B2

公开(公告)日：2013-04-23

申请号：US13004203

申请日：2011-01-11

Applicant: Osamu Machida ,  Yoshikazu Akiyama ,  Keiji Ueda ,  Akira Shimofuku

Inventor： Osamu Machida ,  Yoshikazu Akiyama ,  Keiji Ueda ,  Akira Shimofuku

IPC: B41J2/04 ,  B41J2/17

CPC classification number: B41J2/14233 ,  H01L41/0805 ,  H01L41/0926 ,  H01L41/318

Abstract: A method for manufacturing an electromechanical transducer film including a lower electrode and plural layers of a sol-gel solution film formed on the lower electrode by an inkjet method, the method including the steps of a) modifying a surface of the lower electrode, b) forming a first sol-gel solution film on the surface of the lower electrode by ejecting droplets of a sol-gel solution to the surface of the lower electrode, and c) forming a second sol-gel solution film on the first sol-gel solution film by ejecting droplets of the sol-gel solution to a surface of the first sol-gel solution film. Adjacent dots formed on the surface of the lower electrode by the droplets ejected in step b) overlap each other. Adjacent dots formed on the surface of the first sol-gel solution film by the droplets ejected in step c) do not overlap each other.

Abstract translation: 一种制造机电换能器薄膜的方法，所述机电换能器薄膜包括下电极和通过喷墨方法形成在下电极上的多层溶胶 - 凝胶溶液膜，所述方法包括以下步骤：a）修改下电极的表面，b） 通过将溶胶 - 凝胶溶液的液滴喷射到下电极的表面，在下电极的表面上形成第一溶胶 - 凝胶溶液膜，以及c）在第一溶胶 - 凝胶溶液上形成第二溶胶 - 凝胶溶液膜 通过将溶胶 - 凝胶溶液的液滴喷射到第一溶胶 - 凝胶溶液膜的表面上。 在步骤b）中喷射的液滴在下电极的表面上形成的相邻点彼此重叠。 在步骤c）中喷射的液滴在第一溶胶 - 凝胶溶液膜的表面上形成的相邻点彼此不重叠。

公开(公告)号：US20110215840A1

公开(公告)日：2011-09-08

申请号：US13041689

申请日：2011-03-07

Applicant: OSAMU MACHIDA

Inventor： OSAMU MACHIDA

IPC: H03K3/00 ,  H03K5/08

CPC classification number: H03K3/00 ,  H03K5/08

Abstract: A switch device comprised of a wide band gap semiconductor is provided. The switch device comprises a drain, a source, a gate and a gate voltage clamp circuit, which is connected between a signal terminal, to which a signal for driving the gate is input, and the gate through a series circuit of a capacitor and a resistance, and which comprises a diode and a voltage limiter circuit provided between the drain and the gate.

Abstract translation: 提供了由宽带隙半导体构成的开关装置。 开关装置包括漏极，源极，栅极和栅极电压钳位电路，其连接在输入用于驱动栅极的信号的信号端和栅极之间，通过电容器的串联电路和 电阻，并且其包括设置在漏极和栅极之间的二极管和限压器电路。

公开(公告)号：US20090167411A1

公开(公告)日：2009-07-02

申请号：US12343081

申请日：2008-12-23

Applicant: Osamu Machida ,  Akio Iwabuchi

Inventor： Osamu Machida ,  Akio Iwabuchi

IPC: H03K17/687

CPC classification number: H03K17/6874 ,  H01L27/0605 ,  H01L29/0657 ,  H01L29/1075 ,  H01L29/2003 ,  H01L29/205 ,  H01L29/7787 ,  H01L29/7838 ,  H01L29/812 ,  H01L29/872 ,  H03K17/10 ,  H03K17/567 ,  H03K17/74 ,  H03K2017/6875

Abstract: A device capable of bidirectional on-off switching control of an electric circuit. Included is a normally-on HEMT connected between a pair of terminals of the device. A normally-off MOSFET of relatively low antivoltage strength is connected between the HEMT and one of the pair of terminals, and another similar MOSFET between the HEMT and the other of the terminal pair. A diode is connected in inverse parallel with each MOSFET, and two other diodes are connected between the gate of the HEMT and the pair of terminals respectively. The switching device as a whole is normally off.

Abstract translation: 一种能够对电路进行双向开 - 关切换控制的装置。 包括连接在设备的一对终端之间的通常的HEMT。 HEMT与一对端子之间连接一个具有相对较低抗电压强度的常闭MOSFET，以及HEMT与另一个端子对之间的另一个类似的MOSFET。 二极管与每个MOSFET反并联连接，另外两个二极管分别连接在HEMT的栅极和一对端子之间。 整个开关装置通常关闭。

公开(公告)号：US07192130B2

公开(公告)日：2007-03-20

申请号：US10752511

申请日：2004-01-08

Applicant: Kazuo Shimizu ,  Osamu Machida

Inventor： Kazuo Shimizu ,  Osamu Machida

IPC: B41J2/175 ,  B41J2/04

CPC classification number: B41J2/14145 ,  B41J2/17523 ,  B41J2/17563 ,  B41J2002/14403

Abstract: An ink jet head includes: a pressure chamber that stores an ink and has an orifice; a filter plate including a through hole portion and a filter portion, the through hold portion disposed separately from the filter portion with a certain gap; a supply unit that supplies the ink through the filter portion to the pressure chamber; and a jetting unit that jets ink droplets through the orifice from the pressure chamber. The filter portion is formed to have a first aperture ratio. At least one through hole is formed on the through hole potion so that the filter portion has a second aperture ratio. The first aperture ratio is smaller than the second aperture ratio.

Abstract translation: 喷墨头包括：储存油墨并具有孔口的压力室; 所述过滤板包括通孔部分和过滤器部分，所述通过保持部分与所述过滤器部分分开设置有一定间隙; 供应单元，其通过过滤器部分将油墨供应到压力室; 以及喷射单元，其从压力室喷射墨滴通过孔口。 过滤器部分形成为具有第一孔径比。 在通孔部分上形成至少一个通孔，使得过滤器部分具有第二孔径比。 第一开口率小于第二开口率。

公开(公告)号：US20060261356A1

公开(公告)日：2006-11-23

申请号：US11490328

申请日：2006-07-20

Applicant: Shinichi Iwakami ,  Osamu Machida

Inventor： Shinichi Iwakami ,  Osamu Machida

IPC: H01L33/00

CPC classification number: H01L29/41766 ,  H01L29/2003 ,  H01L29/7787 ,  H01L29/812

Abstract: A semiconductor device having a GaN-based main semiconductor region formed on a silicon substrate via a buffer region. Source, drain and gate electrodes are formed on the main semiconductor region, and a back electrode on the back of the substrate. The substrate is constituted of two semiconductor regions of opposite conductivity types, with a pn junction therebetween which is conducive to a higher voltage-withstanding capability between the drain and back electrodes.

Abstract translation: 一种具有通过缓冲区形成在硅衬底上的GaN基主半导体区的半导体器件。 源极，漏极和栅电极形成在主半导体区域上，背面电极形成在衬底的背面。 衬底由具有相反导电类型的两个半导体区域构成，其间具有pn结，其有利于漏极和背电极之间更高的耐压能力。

公开(公告)号：US20060187274A1

公开(公告)日：2006-08-24

申请号：US11376291

申请日：2006-03-16

Applicant: Osamu Machida ,  Tomohiko Koda ,  Satoru Tobita ,  Yoshitaka Akiyama ,  Toshiharu Sumiya ,  Yoshikane Matsumoto

Inventor： Osamu Machida ,  Tomohiko Koda ,  Satoru Tobita ,  Yoshitaka Akiyama ,  Toshiharu Sumiya ,  Yoshikane Matsumoto

IPC: B41J2/045

CPC classification number: B41J2/1623 ,  B41J2/14274 ,  B41J2/1612 ,  B41J2/1632 ,  B41J2002/14403 ,  Y10T29/49401

Abstract: A chamber support plate of an inkjet head is formed as a member different from a housing. The chamber support plate is formed with a plurality of grooves at high density by a dicing saw or the like. Piezoelectric elements are inserted into the grooves and adhered to a chamber plate. The plurality of grooves define comb teeth portions, which support the chamber plate at positions between adjacent piezoelectric elements.

Abstract translation: 喷墨头的室支撑板形成为与壳体不同的构件。 腔室支撑板通过切割锯等以高密度形成多个凹槽。 将压电元件插入槽中并粘附到室板上。 多个槽限定梳齿部分，其将室板支撑在相邻的压电元件之间的位置。

公开(公告)号：US20050012782A1

公开(公告)日：2005-01-20

申请号：US10890261

申请日：2004-07-14

Applicant: Yasuhiro Yoshimura ,  Jun Nagata ,  Osamu Machida ,  Tatsuya Nagata

Inventor： Yasuhiro Yoshimura ,  Jun Nagata ,  Osamu Machida ,  Tatsuya Nagata

IPC: B41J2/16 ,  B41J2/045 ,  B41J2/055 ,  B41J2/14 ,  B41J2/04

CPC classification number: B41J2/14274 ,  B41J2002/14419

Abstract: The disclosure is concerned with an inkjet head comprising; a chamber substrate for forming an ink flow passage; a diaphragm substrate including a diaphragm for pressurizing a pressure chamber disposed in the chamber substrate; and a nozzle substrate for jetting ink pressurized by the diaphragm, wherein the diaphragm substrate is made of silicon, the diaphragm is made of a material selected from the group of silicon oxide film and metal film, and the diaphragm is formed in the diaphragm substrate. The disclosure is also directed to a method of manufacturing the inkjet head.

Abstract translation: 本公开涉及一种喷墨头，包括： 用于形成油墨流动通道的室基板; 膜片基板，包括用于对设置在所述室基板中的压力室进行加压的隔膜; 以及用于喷射由所述隔膜加压的墨的喷嘴基板，其中所述隔膜基板由硅制成，所述隔膜由选自氧化硅膜和金属膜的材料制成，并且所述隔膜形成在所述隔膜基板中。 本发明还涉及一种制造喷墨头的方法。

公开(公告)号：US06328418B1

公开(公告)日：2001-12-11

申请号：US09632621

申请日：2000-08-04

Applicant: Takahiro Yamada ,  Hiroomi Kozawa ,  Takuji Torii ,  Kazunobu Hayashi ,  Toshitaka Ogawa ,  Satoru Tobita ,  Makoto Kurosawa ,  Kenji Yamada ,  Nobuhiro Noto ,  Osamu Machida ,  Katsunori Kawasumi ,  Hitoshi Kida ,  Mamoru Okano

Inventor： Takahiro Yamada ,  Hiroomi Kozawa ,  Takuji Torii ,  Kazunobu Hayashi ,  Toshitaka Ogawa ,  Satoru Tobita ,  Makoto Kurosawa ,  Kenji Yamada ,  Nobuhiro Noto ,  Osamu Machida ,  Katsunori Kawasumi ,  Hitoshi Kida ,  Mamoru Okano

IPC: B41J215

CPC classification number: B41J2/15 ,  B41J2202/20

Abstract: A print head for ink jet printer having a reduced length in a main scanning direction and an elongated length in an auxiliary scanning direction perpendicular to the main scanning direction. A plurality of linear print head modules are arrayed in the auxiliary scanning direction, and each linear print head module extends in a slanting direction with respect to the main scanning direction by a predetermined angle. Further, each linear print head module has a width in a direction perpendicular to its extending direction. The slanting angle and the width determine scanning pitch extending in the auxiliary scanning direction and can reduces the length of the print head in the main scanning direction.

Abstract translation: 一种用于喷墨打印机的打印头，其在主扫描方向上具有减小的长度，并且在垂直于主扫描方向的辅助扫描方向上具有细长的长度。 多个线性打印头模块沿辅助扫描方向排列，并且每个线性打印头模块相对于主扫描方向以倾斜方向延伸预定角度。 此外，每个线性打印头模块在垂直于其延伸方向的方向上具有宽度。 倾斜角度和宽度决定了在辅助扫描方向上延伸的扫描间距，并且可以减小打印头在主扫描方向上的长度。