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    • 3. 发明授权
    • Cooling system and electronic equipment including cooling system
    • 冷却系统和电子设备包括冷却系统
    • US08240166B2
    • 2012-08-14
    • US12430153
    • 2009-04-27
    • Noriyo NishijimaShigeo OhashiNariaki ShigyoTatsuo Morita
    • Noriyo NishijimaShigeo OhashiNariaki ShigyoTatsuo Morita
    • F25D23/12
    • G03B21/16
    • An electronic equipment includes a cooling system using boiling and condensation of a refrigerant, especially stabilizes the cooling performance, and reduces the influence which vibration accompanying phase change of boiling and condensation gives to the electronic equipment. Electronic equipment includes a cooling system including a cooling part which cools heat generating from a heat generator such as a heat generating component by using boiling of a refrigerant and is thermally connected to the heat generator such as the heat generating element, a heat radiation part which radiates heat absorbed by the refrigerant in the cooling part by condensation, a refrigerant drive part for delivering the condensed refrigerant to the cooling part again, and piping which fluidly connects them, and the electronic equipment includes preliminary heating means for heating the refrigerant, which flows to the cooling part from the refrigerant drive part, between the refrigerant drive part and the cooling part.
    • 电子设备包括使用制冷剂的沸腾和冷凝的冷却系统,特别是稳定冷却性能,并且减少伴随着冷凝相变的振动对电子设备的影响。 电子设备包括冷却系统,其包括冷却部件,该冷却部件通过使用沸腾的制冷剂来冷却来自诸如发热部件的发热部件的发热的热量,并且与发热元件等发热体热连接;热辐射部件 通过冷凝来散发由冷却部中的制冷剂吸收的热量,再次将冷凝后的制冷剂输送到冷却部的制冷剂驱动部以及流体连接它们的管路,电子设备包括用于加热流过的制冷剂的预热装置 从制冷剂驱动部分到制冷剂驱动部分和冷却部分之间的冷却部分。
    • 4. 发明授权
    • Power converter
    • 电源转换器
    • US08248042B2
    • 2012-08-21
    • US13336621
    • 2011-12-23
    • Tatsuo Morita
    • Tatsuo Morita
    • G05F1/00H02M7/5387
    • H01L29/7787H01L27/0617H01L27/088H01L29/0692H01L29/0696H01L29/1066H01L29/2003H01L29/402H01L29/41758H01L29/423H01L29/432H02M7/003Y02B70/1483
    • A power converter includes an input terminal configured to be connected to a power supply, an output terminal, and a first switching element coupled between the input terminal and the output terminal. The first switching element includes a semiconductor multilayer structure formed on a substrate and made of a nitride semiconductor, a gate electrode formed on the semiconductor multilayer structure, a first and a second ohmic electrode, and a back electrode formed on a back surface of the substrate. A potential is supplied from the power supply connected to the input terminal to the back electrode so that a potential difference between the back surface and the second ohmic electrode is reduced. When the first switching element is in the on-state, a positive voltage bias is applied to the back electrode.
    • 功率转换器包括被配置为连接到电源,输出端子和耦合在输入端子和输出端子之间的第一开关元件的输入端子。 第一开关元件包括形成在衬底上并由氮化物半导体形成的半导体多层结构,形成在半导体多层结构上的栅电极,第一和第二欧姆电极以及形成在衬底的背面上的背电极 。 从连接到输入端子的电源向背面电极提供电位,使得背面与第二欧姆电极之间的电位差减小。 当第一开关元件处于导通状态时,正电压偏压被施加到背电极。
    • 6. 发明授权
    • Nitride semiconductor based bipolar transistor and the method of manufacture thereof
    • 氮化物半导体双极晶体管及其制造方法
    • US07728359B2
    • 2010-06-01
    • US11812591
    • 2007-06-20
    • Tatsuo MoritaTetsuzo Ueda
    • Tatsuo MoritaTetsuzo Ueda
    • H01L51/00
    • H01L29/2003H01L29/201H01L29/66318H01L29/7371
    • In a nitride semiconductor based bipolar transistor, a contact layer formed so as to contact an emitter layer is composed of n-type InAlGaN quaternary mixed crystals, the emitter layer and the contact layer are selectively removed so that the barrier height with the emitter formed thereon is small, and the ohmic electrode contact resistance can be lowered on the InAlGaN quaternary mixed crystals, for example, so that a WSi emitter electrode becomes an eave. A base electrode is formed by a self-aligned process using the emitter electrode as a mask. By such a configuration, the distance between the emitter and the edge of the base electrode is sufficiently shortened, and the base resistance can be lowered. As a result, a bipolar transistor having favorable high-frequency characteristics can be realized.
    • 在基于氮化物半导体的双极型晶体管中,形成为与发射极层接触的接触层由n型InAlGaN四元混晶构成,选择性地去除发射极层和接触层,使得其上形成有发射极的势垒高度 例如,在InAlGaN四元混晶中的欧姆电极接触电阻可以降低,使得WSi发射极成为檐。 通过使用发射电极作为掩模的自对准工艺形成基极。 通过这样的结构,能够充分地缩短发射极与基极的边缘之间的距离,能够降低基极电阻。 结果,可以实现具有良好的高频特性的双极晶体管。
    • 8. 发明授权
    • Projection type display unit
    • 投影型显示单元
    • US07364327B2
    • 2008-04-29
    • US11822588
    • 2007-07-09
    • Takeshi KatayamaHideharu SaitoKeiichiro TokushigeTatsuo Morita
    • Takeshi KatayamaHideharu SaitoKeiichiro TokushigeTatsuo Morita
    • F21V29/00
    • F21V15/01G02F1/13G02F1/1333G03B21/00G03B21/16
    • Reduction of noise is achieved by devising an arrangement of heat generating parts such as a light valve element, an electric power source, a light source, etc. and an arrangement of cooling fans. In cooling the light source, the electric power source and liquid crystal panels, a cooling wind path for the liquid crystal panels and the electric power source is made separate from and independent of a cooling wind path for the light source that generates much heat, a cooling air volume is optimized for the respective cooling wind paths, and noise accompanying the rotation of the cooling fans is reduced. Also, by arranging the cooling fans substantially centrally of the respective cooling wind paths, that volume of noise, which leaks from air intake ports and air exhaust port that are opened to a housing of a unit, is reduced.
    • 通过设计诸如光阀元件,电源,光源等的发热部件的布置和冷却风扇的布置来实现噪声的降低。 在冷却光源时,电源和液晶面板,用于液晶面板和电源的冷却风路被分离并且独立于产生大量热量的光源的冷却风路, 针对相应的冷却风路优化了冷却风量,并且降低伴随着冷却风扇旋转的噪音。 此外,通过将冷却风扇基本上布置在相应的冷却风路的中央,减小了从对单元的壳体开放的进气口和排气口泄漏的噪声的体积。
    • 10. 发明授权
    • Liquid crystal projector
    • 液晶投影仪
    • US06991335B2
    • 2006-01-31
    • US10817001
    • 2004-04-05
    • Yoshihiro KondoNariaki ShigyoKatsunori NakataniTatsuo Morita
    • Yoshihiro KondoNariaki ShigyoKatsunori NakataniTatsuo Morita
    • G03B21/14G03B21/18G03B21/22
    • H04N5/7441G03B21/16H04N9/3141
    • In order to perform high efficient cooling without boiling cooling liquid and to improve maintainability such as replacement of a lamp, the present invention provides a liquid crystal projector including a light source lamp, a liquid crystal panel, a power source, a fan for removing heat generated by the power source and the lamp, a water-cooling jacket provided on an inner surface of an external wall portion opposed to the lamp in the liquid crystal projector, a metal pipe arrangement for radiation which is placed in the external wall portion, and a pump for driving cooling liquid to flow in the water-cooling jacket so that the cooling liquid receiving the heat from the lamp circulates in a circulation path through the water-cooling jacket, the metal pipe arrangement, and the pump to emit the heat to the outside through the metal pipe arrangement.
    • 为了在没有沸腾冷却液的情况下进行高效冷却,并且为了提高灯的更换等维护性,本发明提供一种液晶投影机,其包括光源灯,液晶面板,电源,除热用的风扇 由电源和灯产生的水冷套,设置在与液晶投影仪中的灯相对的外壁部分的内表面上的水冷套管,放置在外壁部分中的用于辐射的金属管装置,以及 用于驱动冷却液体在水冷套中流动的泵,使得从灯中接收热量的冷却液在循环路径中循环通过水冷套管,金属管装置和泵,以将热量发射到 外部通过金属管道排列。