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    • 72. 发明授权
    • Gate protection diode for high-frequency power amplifier
    • 门极保护二极管用于高频功率放大器
    • US08669610B2
    • 2014-03-11
    • US13646079
    • 2012-10-05
    • Hideyuki OnoTetsuya Iida
    • Hideyuki OnoTetsuya Iida
    • H01L29/68
    • H01L27/0629H01L27/0255H01L29/0692H01L29/4175H01L29/66121H01L29/66659H01L29/7835H01L29/861H01L29/8611H03F1/523H03F3/195H03F2200/444
    • A high-frequency power amplifier of the type to be mounted in an RF module for mobile phones having high-frequency power field effect transistors and gate protective diodes which are coupled between the gates and the sources of the high-frequency power field effect transistors. The gate protective diodes have an n type region formed over the main surface of a p type epitaxial layer, a first p type region formed at the center of the main surface of the n type region, a second p type region formed over the main surface of the epitaxial layer around the n type region from the periphery of the main surface of the n type region, and p+ type buried layers for coupling the second p type region to a substrate body. The distance between the end portions of the p+ type buried layers and the n+ type region is 7 μm or more.
    • 一种高频功率放大器,其类型安装在具有高频功率场效应晶体管和栅极保护二极管的手机的RF模块中,高频功率场效应晶体管和栅极保护二极管耦合在高频功率场效应晶体管的栅极和源极之间。 栅极保护二极管具有形成在p型外延层的主表面上的n型区域,形成在n型区域的主表面中心的第一p型区域,形成在n型区域的主表面上的第二p型区域 从n型区域的主表面周围的n型区域周围的外延层和用于将第二p型区域耦合到衬底本体的p +型掩埋层。 p +型掩埋层和n +型区域的端部之间的距离为7μm以上。
    • 74. 发明申请
    • Work Vehicle
    • 工作车辆
    • US20110064552A1
    • 2011-03-17
    • US12561672
    • 2009-09-17
    • Yoshiaki KurayaKatsumi FujikiTetsuya Iida
    • Yoshiaki KurayaKatsumi FujikiTetsuya Iida
    • E02F3/34E02F3/28E02F3/42E02F9/22
    • E02F3/34B62D49/06B62D49/065E02F3/382E02F3/627E02F9/006E02F9/2271E02F9/2275
    • A tractor includes a mounting plate, a protruding tube, a boom supporter, and a boom. The mounting plate is attachable to a frame on a side surface of a vehicle. The protruding tube is connected to the mounting plate, and shaped to protrude from a portion in which the protruding tube is connected to the mounting plate, toward the outside of the vehicle. The boom supporter is connected to a distal end portion of the protruding tube, and shaped to protrude upward from a portion in which the boom supporter is connected to the distal end portion of the protruding tube. The boom is coupled to the boom supporter via a boom coupler, and formed to extend from the boom coupler toward the front side of the vehicle. In a side view, an imaginary straight line extending vertically downward from the boom coupler is located rearward of the protruding tube.
    • 拖拉机包括安装板,突出管,吊杆支架和吊杆。 安装板可附接到车辆侧面上的框架。 突出管连接到安装板,并且成形为从突出管连接到安装板的部分突出到车辆外部。 吊架支撑件连接到突出管的远端部分,并且成形为从悬臂支撑件连接到突出管的远端部分的部分向上突出。 起重臂通过起重臂联接器联接到起重臂支撑件,并且形成为从起重臂联接器朝向车辆的前侧延伸。 在侧视图中,从悬臂联接器垂直向下延伸的假想直线位于突出管的后方。
    • 76. 发明授权
    • Stamper and method for production thereof
    • 压模及其制造方法
    • US07632628B2
    • 2009-12-15
    • US10553176
    • 2004-04-07
    • Tetsuya IidaMasahiro Katsumura
    • Tetsuya IidaMasahiro Katsumura
    • G11B7/26B29C45/26B29L17/00
    • B29C33/3857B29C45/2632B29L2017/005G11B7/263
    • The present invention relates to a stamper used for an injection molding of a resin material and a manufacturing method thereof. It is provided with such stamper as being excellent in durability in use without causing corrosion at a portion contacting with the resin material, wherein an anti-corrosion film made of any one of alloy selected from a nickel alloy, a silver alloy or a copper alloy is formed on a surface of the stamper contacting with the resin material. Further, it is provided with a method comprising steps of: forming anti-corrosion film on the surface of a mold for manufacturing the stamper; forming the stamper on the anti-corrosion film; and separating the stamper and the anti-corrosion film in a body from the mold.
    • 本发明涉及用于树脂材料注射成型的压模及其制造方法。 设置有这样的压模,其使用寿命优异,而不会在与树脂材料接触的部分处引起腐蚀,其中由选自镍合金,银合金或铜合金中的任何一种合金制成的防腐蚀膜 形成在与树脂材料接触的压模的表面上。 此外,提供了一种方法,包括以下步骤:在用于制造压模的模具的表面上形成防腐蚀膜; 在抗腐蚀膜上形成压模; 以及将模具中的压模和防腐蚀膜与模具分离。