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    • 16. 发明申请
    • Reciprocating compressor
    • 往复式压缩机
    • US20050053489A1
    • 2005-03-10
    • US10893365
    • 2004-07-19
    • Ki Won NohHyeong KimDong KimByung KimHyung Kim
    • Ki Won NohHyeong KimDong KimByung KimHyung Kim
    • F04B39/00F04B35/04
    • F04B35/045
    • A reciprocating compressor includes a case to which a suction pipe and a discharge pipe are respectively connected, having a closed space; a reciprocating motor disposed inside the case, for generating a reciprocating force; a compressing unit receiving the reciprocating force generated from the reciprocating motor, for compressing a fluid; and a separation plate for dividing the closed space of the case into a low pressure portion into which a fluid is sucked through the suction pipe and a high pressure portion from which a fluid compressed in the compressing unit is discharged. Accordingly, the reciprocating compressor cuts off vibration generated from the compressing unit and the reciprocating motor and thus reduce the vibration transmitted to the compressor case and other elements so that noise can be reduced, life spans of other elements can be lengthened, and reliability of the compressor can be improved.
    • 往复式压缩机包括分别连接有吸入管和排出管的壳体,具有封闭空间; 设置在所述壳体内的往复式电动机,用于产生往复力; 压缩单元,接收从往复式电机产生的往复力,用于压缩流体; 以及用于将壳体的封闭空间分成通过吸入管吸入流体的低压部分和压缩单元中被压缩的流体从其排出的高压部分的分离板。 因此,往复式压缩机切断从压缩单元和往复运动马达产生的振动,从而减少传递到压缩机壳体和其它元件的振动,从而可以减少噪音,延长其他元件的寿命,并且可靠性 压缩机可以改善。
    • 19. 发明申请
    • Silicon film bulk acoustic wave device and process of the same
    • 硅膜体声波器件及其工艺相同
    • US20060186759A1
    • 2006-08-24
    • US10565255
    • 2004-07-21
    • Hyeong KimJae bin LeeHeung KimKi Bong YeoYoung-Soo Lee
    • Hyeong KimJae bin LeeHeung KimKi Bong YeoYoung-Soo Lee
    • H01L41/08
    • H03H3/02H03H9/02133H03H9/02149H03H9/173
    • The present invention relates to a film bulk acoustic wave device and a method of manufacturing the same, wherein comprising an acoustic reflective layer which is formed on a substrate by removing a sacrificial layer on the substrate and becomes an empty space; an oxidation protective film or etch protecting film which is formed in a pattern that divides a resonance region to form the acoustic reflective layer on the sacrificial layer; a thermal oxidation film which is formed by partially thermally oxidizing the sacrificial layer in an electrode region where the oxidation protective film or the etch protecting film is not formed; and a lower electrode, a piezoelectric thin film, and an upper electrode all of which are disposed on the thermal oxide. Further, the present invention is directed to a method of manufacturing the same
    • 薄膜压电元件及其制造方法技术领域本发明涉及一种薄膜压电元件及其制造方法,其特征在于,具有:通过除去所述基板上的牺牲层而形成空间而形成在基板上的声反射层; 氧化保护膜或蚀刻保护膜,其以划分谐振区域以在牺牲层上形成声反射层的图案形成; 通过在没有形成氧化保护膜或蚀刻保护膜的电极区域中部分地热氧化牺牲层而形成的热氧化膜; 以及全部都设置在热氧化物上的下电极,压电薄膜和上电极。 此外,本发明涉及其制造方法