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    • 9. 发明授权
    • Quartz resonator pressure transducers and methods of operation
    • 石英谐振器压力传感器和操作方法
    • US09528896B2
    • 2016-12-27
    • US13839238
    • 2013-03-15
    • Delaware Capital Formation, Inc.
    • Errol P. EerNisseMilton Watts
    • H01L41/113H03H9/19G01L11/04E21B47/06
    • G01L9/085E21B47/06G01L11/04H01L41/1132H03H9/19
    • A cylindrical quartz crystal transducer that exhibits a low probability of twinning, and uses a combination of resonator signal inputs at the B-mode and C-mode frequencies to calculate resonator temperature. Crystallographic orientations are disclosed where combinations of B-mode and C-mode resonant frequencies exist that are sufficiently independent of pressure to enable accurate calculation of temperature under transient conditions. Such a transducer is usable at higher pressures and temperatures than conventional quartz pressure transducers. Furthermore, because the structure allows a choice of crystallographic orientation, other characteristics of the transducer, such as increased pressure sensitivity and activity dip-free operation, may be optimized by varying crystallographic orientation.
    • 一种圆柱形石英晶体传感器,其结晶度很低,并且以B模式和C模式频率的谐振器信号输入的组合来计算谐振器温度。 公开了晶体取向,其中存在足够独立于压力的B模式和C模式谐振频率的组合,以使得能够在瞬态条件下精确计算温度。 这种传感器可在比传统的石英压力传感器更高的压力和温度下使用。 此外,由于该结构允许选择晶体取向,所以可以通过改变晶体取向来优化换能器的其它特性,例如增加的压力灵敏度和活性浸没操作。
    • 10. 发明申请
    • ISOLATION ELEMENTS INCLUDING ONE OR MORE DIAPHRAGMS, SENSORS INCLUDING ISOLATION ELEMENTS, AND RELATED METHODS
    • 隔离元件,包括一个或多个隔膜,包括隔离元件的传感器和相关方法
    • US20120198939A1
    • 2012-08-09
    • US13023339
    • 2011-02-08
    • Scott J. BrownDiana R. ClarkK. Robert HarkerLon J. Perry
    • Scott J. BrownDiana R. ClarkK. Robert HarkerLon J. Perry
    • G01L7/08B23P17/04
    • G01L9/0044G01L19/003G01L19/0046G01L19/0645Y10T29/49826
    • Isolation elements comprise a housing comprising a longitudinal bore formed therein and at least one recess formed in at least one longitudinally extending side of the housing. The at least one recess is in communication with the longitudinal bore. At least one diaphragm is attached proximate a periphery thereof to the housing and seals the at least one recess at the at least one longitudinally extending side of the housing. Sensor assemblies may include an isolation element including a housing and a diaphragm coupled thereto. Methods of forming an isolation element for use with a sensor comprise forming a longitudinal bore in a housing; forming at least one recess in at least one longitudinally extending side of the housing; coupling at least one diaphragm to the housing; and positioning the at least one diaphragm such that a primary direction of displacement of the at least one diaphragm extends into the at least one recess.
    • 隔离元件包括壳体,其包括形成在其中的纵向孔和形成在壳体的至少一个纵向延伸侧中的至少一个凹部。 所述至少一个凹部与所述纵向孔连通。 至少一个隔膜在其外围附近附接到壳体并且密封住壳体的至少一个纵向延伸侧的至少一个凹部。 传感器组件可以包括隔离元件,该隔离元件包括外壳和与之相连的隔膜。 形成用于传感器的隔离元件的方法包括在壳体中形成纵向孔; 在所述壳体的至少一个纵向延伸的侧面中形成至少一个凹部; 将至少一个隔膜联接到所述壳体; 以及定位所述至少一个隔膜,使得所述至少一个隔膜的主要位移方向延伸到所述至少一个凹部中。