Piezoelectric micro-resonateur
    1.
    发明授权
    Piezoelectric micro-resonateur 失效
    压电微谐振器

    公开(公告)号:US4608510A

    公开(公告)日:1986-08-26

    申请号:US339152

    申请日:1982-01-13

    CPC分类号: H03H9/0595

    摘要: The micro-resonator comprises, cut from the same quartz crystal, a bar and a suspension frame means. The bar is cut in a substantially Z cut mode. The excitation electrodes are disposed on the sides of the bar. The length of the bar is substantially parallel to the Y axis.This produces a resonator which vibrates in a main mode of extension-compression, at from 0.5 MHz to 4 MHz.

    摘要翻译: 微型谐振器包括从相同的石英晶体切割的条和悬挂框架装置。 该棒被切割成大致Z切割模式。 激励电极设置在棒的侧面。 棒的长度基本上平行于Y轴。 这产生以0.5MHz至4MHz的主扩展压缩模式振动的谐振器。

    Method of detection of the asymmetry of piezo-electric crystal
resonators in the form of tuning forks and resonators for carrying it
out
    2.
    发明授权
    Method of detection of the asymmetry of piezo-electric crystal resonators in the form of tuning forks and resonators for carrying it out 失效
    以调谐叉和谐振器的形式检测压电晶体谐振器的不对称性的方法

    公开(公告)号:US4379244A

    公开(公告)日:1983-04-05

    申请号:US181715

    申请日:1980-10-10

    申请人: Rudolf J. Dinger

    发明人: Rudolf J. Dinger

    CPC分类号: H03H9/215 H03H3/04 Y10T29/42

    摘要: The invention relates to a piezo-electric crystal reasonator comprising a tuning fork having two tines, one on each side of an axis of symmetry, having in addition to the excitation electrodes formed on the tines, auxiliary electrodes comprising conductive coatings formed, with the same axis of symmetry, on the same crystal which interconnects the two tines and further relates to a method for making such tuning fork resonator including the detection of asymmetry by applying an excitation voltage to the excitation electrodes to cause the resonator to oscillate, and while it is oscillating, detecting a voltage appearing between the auxiliary electrodes to indicate asymmetrical oscillation of the tines.In addition to excitation electrodes (5, 6, 7) on the tines (2, 3) of the tuning fork, auxiliary conductive electrodes (17, 18, 19, 21) are formed on a part of the resonator which interconnects the two tines. The resonator is then caused to oscillate by applying an excitation voltage to said excitation electrodes and, while it is oscillating, the voltage appearing between the auxiliary electrodes in the event of an asymmetrical oscillation of the tines is detected.Any asymmetry between the two tines can thus be detected and corrected in the course of the manufacture of the tuning fork.

    摘要翻译: 本发明涉及一种压电晶体推理器,其包括具有两个尖齿的音叉,一个在对称轴的每一侧上,除了形成在尖齿上的激励电极之外,还包括形成有相同的导电涂层的辅助电极 对称轴在与两个齿相互连接的相同晶体上,还涉及一种用于制造这种音叉谐振器的方法,包括通过向激励电极施加激励电压以使谐振器振荡来检测不对称性,并且当它是 振荡,检测在辅助电极之间出现的电压,以指示尖齿的不对称振荡。 除了音叉的叉(2,3)上的激励电极(5,6,7)之外,在谐振器的一部分上形成辅助导电电极(17,18,19,21),该部分互连两个尖齿 。 然后通过向所述激励电极施加激发电压使谐振器振荡,并且在振荡时,检测在尖齿的不对称振荡的情况下在辅助电极之间出现的电压。 因此,可以在音叉的制造过程中检测和校正两个齿之间的任何不对称性。