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    • 2. 发明授权
    • Inner air vent systems for float chambers in carburetors
    • 用于化油器浮子室的内部排气系统
    • US4728467A
    • 1988-03-01
    • US17556
    • 1987-02-24
    • Tomozo NakagawaNaotake NiiKozo Watanabe
    • Tomozo NakagawaNaotake NiiKozo Watanabe
    • F02M5/02F02M5/08F02M35/04
    • F02M5/08F02M35/04F02M5/02Y10S261/67Y10S55/28
    • An inner air vent system for internal combustion engines is disclosed which prevents accidental flush of fuel from the float chamber into the venturi tube of the carburetor as when the vehicle is running on a steep slope or extremely rough surface. The inner air vent system comprises an air passage axially defined in the mounting bosses of the air cleaner, air intake pipe and carburetor, with the air cleaner being located above the carburetor. The air passage has a lower end thereof opened into the air gap inside the float chamber. With this arrangement, tilt of the vehicle even into an extreme position is unlikely to permit the flow of fuel from the float chamber into the carburetor venturi tube, because of the air passage having its upper opening held high enough above the fuel level in the float chamber. Furthermore, the inner air vent system can be constructed without the addition of extra joints and piping work, there is no significant increase in assembling cost. In addition, the system is very simple in structure, it can be incorporated in a small, lightweight engine.
    • 公开了一种用于内燃机的内部空气排放系统,其防止当车辆在陡坡或非常粗糙的表面上行驶时,将燃料从浮子室意外冲洗到化油器的文氏管中。 内部排气系统包括轴向限定在空气净化器,进气管和化油器的安装凸台中的空气通道,空气净化器位于化油器上方。 空气通道的下端向浮子室内的空气间隙开口。 通过这种布置,由于空气通道的上部开口保持足够高于浮子中的燃料水平,所以车辆的倾斜甚至不会使得燃料从浮子室流入化油器文丘里管 房间。 此外,内部通气系统可以在不增加额外的接头和管道工作的情况下构建,组装成本没有显着增加。 此外,该系统的结构非常简单,可以并入小型轻型发动机。
    • 3. 发明授权
    • Semiconductor integrated circuit device and a method of manufacturing the same
    • 半导体集成电路器件及其制造方法
    • US08222712B2
    • 2012-07-17
    • US12399957
    • 2009-03-08
    • Kunihiko KatoShigeya ToyokawaKozo WatanabeMasatoshi Taya
    • Kunihiko KatoShigeya ToyokawaKozo WatanabeMasatoshi Taya
    • H01L29/872
    • H01L29/872H01L21/823857H01L21/823878H01L27/0629H01L29/0619H01L29/417H01L2924/0002H01L2924/00
    • To achieve a further reduction in the size of a finished product by reducing the number of externally embedded parts, the embedding of a Schottky barrier diode which is relatively large in the amount of current in a semiconductor integrated circuit device has been pursued. In such a case, it is general practice to densely arrange a large number of contact electrodes in a matrix over a Schottky junction region. It has been widely performed to perform a sputter etching process with respect to the surface of a silicide layer at the bottom of each contact hole before a barrier metal layer is deposited. However, in a structure in which electrodes are thus arranged over a Schottky junction region, a reverse leakage current in a Schottky barrier diode is varied by variations in the amount of sputter etching. The present invention is a semiconductor integrated circuit device having a Schottky barrier diode in which contact electrodes are arranged over a guard ring in contact with a peripheral isolation region.
    • 为了通过减少外部嵌入部件的数量来进一步减小成品的尺寸,已经追求了在半导体集成电路器件中嵌入的电流量相对较大的肖特基势垒二极管。 在这种情况下,通常的做法是在肖特基结区域上将矩阵中的大量接触电极密集布置。 在阻挡金属层沉积之前,已经广泛地执行相对于每个接触孔底部的硅化物层的表面的溅射蚀刻工艺。 然而,在其中将电极布置在肖特基结区上方的结构中,肖特基势垒二极管中的反向泄漏电流由于溅射蚀刻量的变化而变化。 本发明是一种具有肖特基势垒二极管的半导体集成电路器件,其中接触电极布置在与周边隔离区接触的保护环上。
    • 7. 发明授权
    • Method of manufacture of a semiconductor device
    • 半导体器件的制造方法
    • US07118972B2
    • 2006-10-10
    • US10833118
    • 2004-04-28
    • Masaaki ShinoharaKozo WatanabeFukuo OwadaTakashi Aoyama
    • Masaaki ShinoharaKozo WatanabeFukuo OwadaTakashi Aoyama
    • H01L21/8234
    • H01L27/11568H01L27/115
    • A method of manufacture of a semiconductor device uses simplified steps while improving the electrical properties of each element in the semiconductor device. Over a semiconductor substrate, having a memory gate electrode, control gate electrode and gate electrode formed thereover, a silicon oxide film, a silicon nitride film and a silicon oxide film are formed successively. The silicon oxide film formed over the gate electrode is then removed by wet etching. The silicon oxide film, silicon nitride film and silicon oxide film formed over the semiconductor substrate are removed successively by anisotropic dry etching, whereby respective sidewall spacers having a relatively large width and a relatively small width are formed.
    • 半导体器件的制造方法使用简化的步骤,同时改善半导体器件中每个元件的电性能。 在其上形成有存储栅电极,控制栅电极和栅电极的半导体衬底上,依次形成氧化硅膜,氮化硅膜和氧化硅膜。 然后通过湿蚀刻除去在栅电极上形成的氧化硅膜。 形成在半导体衬底上形成的氧化硅膜,氮化硅膜和氧化硅膜通过各向异性干蚀刻连续地去除,从而形成具有相对较大宽度和相对较小宽度的各个侧壁间隔物。