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    • 63. 发明公开
    • DIAPHRAGM MOUNTING STRUCTURE OF ELECTROSTATIC CAPACITANCE TYPE PRESSURE GAUGE
    • 薄膜UR UR UR UR UR ES PS PS PS PS PS PS PS PS PS PS PS PS PS PS PS PS PS PS PS PS PS PS
    • EP1923685A1
    • 2008-05-21
    • EP06782165.2
    • 2006-08-02
    • Horiba Stec, Co., Ltd.
    • IKEDA, Toru
    • G01L9/12
    • G01L9/0072G01L9/0048
    • The present invention provides a diaphragm attaching structure of an electrostatic capacity type pressure gauge which can achieve an improvement of a measuring precision by inhibiting a poor weld and a heat strain from being generated while restricting an increase of a cost with an easy manufacturing.
      The present invention is a diaphragm attaching structure of an electrostatic capacity type pressure gauge in which a diaphragm for receiving a fluid pressure is provided in a tensional manner on one end of a tubular case, and a fixed side electrode for picking up a deflection displacement of the diaphragm as a change of an electric capacity is provided within the tubular case on a side opposite to a pressure receiving surface of the diaphragm, wherein an outer peripheral edge portion of the diaphragm is formed thicker than a center portion thereof, and the thick outer peripheral edge portion is thermally molten to be welded and firmly attached to an end surface portion around the opening on the one end of the tubular case.
    • 本发明提供了一种静电电容型压力计的隔膜安装结构,通过抑制焊接不良和产生热应变,能够在容易制造的同时限制成本增加的同时,提高测量精度。 本发明是一种静电电容式压力计的隔膜安装结构,其中在管状壳体的一端以拉伸方式设置用于接收流体压力的隔膜,以及用于拾取偏转位移的固定侧电极 作为电容变化的隔膜设置在管状外壳的与隔膜的受压面相反的一侧,其中隔膜的外周边缘部分形成得比其中心部分厚, 周边部分被热熔融以被焊接并且牢固地附接到围绕管状壳体的一端上的开口的端表面部分。
    • 64. 发明公开
    • DRUCKSENSOR
    • EP1817560A1
    • 2007-08-15
    • EP05813620.1
    • 2005-11-25
    • Endress u. Hauser GmbH u.Co. KG
    • DREWES, UlfertHEGNER, Frank
    • G01L9/00G01L9/12G01L19/14
    • G01L19/14G01L9/0075
    • Disclosed is a pressure sensor (1) comprising a pressure measuring cell (2) with a first dimensionally stable, substantially planar sealing surface (24), and an opposite member (4) with a hole that is surrounded by a second dimensionally stable, essentially planar sealing surface (45). The pressure measuring cell (2) and the opposite member (4) are pressed against each other by means of a clamping force which acts in an axial direction that runs substantially perpendicular to the planes of the sealing surfaces. A flat seal (51) is clamped in a bare manner between the first sealing surface and the second sealing surface by means of the axial clamping force such that the entire axial clamping force is transmitted via the flat seal (51). The opposite member (4) can be embodied as a disconnecting ring between a metallic housing (3) and a ceramic pressure measuring cell (2), a flat seal (52) also being clamped between the disconnecting ring and the housing. Preferably, the pressure measuring cell is elastically biased.
    • 公开了一种压力传感器(1),该压力传感器包括具有第一尺寸稳定的基本上平面的密封表面(24)的压力测量单元(2)和具有孔的对置构件(4),所述孔由第二尺寸稳定的 平面密封表面(45)。 压力测量元件(2)和相对构件(4)通过夹紧力相互挤压,该夹紧力作用在基本上垂直于密封表面的平面的轴向方向上。 平面密封件(51)通过轴向夹紧力在第一密封面和第二密封面之间裸露地夹紧,使得整个轴向夹紧力通过平坦密封件(51)传递。 相对构件(4)可以构造为金属壳体(3)和陶瓷压力测量单元(2)之间的隔离环,同时夹紧在隔离环和壳体之间的平面密封件(52)。 优选地,压力测量单元被弹性偏置。
    • 65. 发明公开
    • Capacitive pressure sensor
    • 电容式压力传感器
    • EP1788372A2
    • 2007-05-23
    • EP06023560.3
    • 2006-11-13
    • ALPS ELECTRIC CO., LTD.
    • Fukuda, TetsuyaKikuiri, KatsuyaSato, KiyoshiNakamura, YoshinobuKobayashi, Hiroyuki
    • G01L9/12
    • G01L9/0073
    • A first silicon substrate is bonded to one principal surface of a glass substrate. In a cavity in the other principal surface of the glass substrate, a protruding portion is formed. In the first silicon substrate, a protruding portion is disposed inside the cavity, and a protruding portion is disposed outside the cavity. A fixed electrode is formed on the protruding portion of the glass substrate. On the protruding portion, an electrode pad is formed with a contact layer and a seed layer therebetween. A second silicon substrate that has a diaphragm corresponding to a movable electrode of a capacitive pressure sensor is bonded to a bonding surface of the other principal surface of the glass substrate (region other than a recessed portion).
    • 第一硅衬底结合到玻璃衬底的一个主表面上。 在玻璃基板的另一个主面中的空腔中形成突出部。 在第一硅衬底中,突出部分设置在空腔内部,突出部分设置在空腔外部。 固定电极形成在玻璃基板的突出部分上。 在突出部分上,电极焊盘在其间形成有接触层和种子层。 具有与电容式压力传感器的可动电极对应的振动板的第二硅基板与玻璃基板的另一个主面(凹部以外的区域)的接合面接合。
    • 67. 发明公开
    • QUARTZ TYPE PRESSURE SENSOR, AND PRODUCTION METHOD THEREFOR
    • DRUCKSENSOR DES QUARZ-TYPS UND HERSTELLUNGSVERFAHRENDAFÜR
    • EP1653209A1
    • 2006-05-03
    • EP04746882.2
    • 2004-07-02
    • Toyo Communication Equipment Co., Ltd.
    • WATANABE, Jun, c/o Toyo Communicat. Equip. Co. Ltd
    • G01L9/12
    • G01L9/0075
    • In a touch-mode capacitance type pressure sensor, a quartz pressure sensor that can solve difficulty in thickness control on a diaphragm due to a low etching precision which is a drawback in a pressure sensor using a detecting piece made from silicon, and deterioration in a detecting accuracy and poor repetitive reproducibility in elastic deformation due to the difficulty, respectively, is provided by utilizing quartz as a detecting piece for the pressure sensor. The quartz pressure sensor including a bottom plate made from an insulating material, a lower electrode film and a dielectric film sequentially laminated on a face of the bottom plate, a detecting piece provided at a position thereof opposed to said dielectric film with a thin portion and fixed on the face of the bottom plate, and an upper electrode film formed in at least one portion of the thin portion having a positional relationship thereof opposed to the lower electrode film, in which a fine gap airtight space is provided between a lower face of the detecting piece and the dielectric film is characterized in that the detecting piece is made from a quartz material.
    • 在触摸式电容式压力传感器中,由于采用硅制的检测片的压力传感器的缺点,由于蚀刻精度低而能够解决膜片厚度控制困难的石英压力传感器, 通过利用石英作为压力传感器的检测件,分别提供了由于难度而导致的弹性变形中的检测精度和差的重复再现性。 所述石英压力传感器包括由绝缘材料制成的底板,下电极膜和依次层压在所述底板的表面上的电介质膜,所述检测片设置在与所述电介质膜相对的位置上,所述检测片具有薄的部分, 固定在底板的表面上;以及上部电极膜,形成在薄膜部分的至少一部分中,具有与下部电极膜相对的位置关系,其中,在下部电极膜的下表面之间设置有微小的间隙密封空间 检测片和电介质膜的特征在于,检测片由石英材料制成。