Method for forming a tunable piezoelectric microresonator
    4.
    发明授权
    Method for forming a tunable piezoelectric microresonator 有权
    形成可调谐压电微谐振器的方法

    公开(公告)号:US07179392B2

    公开(公告)日:2007-02-20

    申请号:US10794527

    申请日:2004-03-05

    IPC分类号: H01L41/08

    摘要: A process for manufacturing a resonator including the steps of: forming on an insulating substrate a first portion of a conductive material and a second portion of another material on the first portion; forming an insulating layer having its upper surface flush with the upper part of the second portion; forming by a succession of depositions and etchings a beam of a conductive material above the second portion, the beam ends being on the insulating layer on either side of the second portion, the upper surface of the second portion being exposed on either side of the beam, a third portion of a piezoelectric material on the beam and a fourth portion of a conductive material on the third portion above the beam portion located above the second portion; and removing the second portion.

    摘要翻译: 一种用于制造谐振器的方法,包括以下步骤:在绝缘基板上形成第一部分上的导电材料的第一部分和另一材料的第二部分; 形成其上表面与所述第二部分的上部齐平的绝缘层; 通过一系列沉积和蚀刻形成第二部分上方的导电材料束,光束端在第二部分的任一侧上的绝缘层上,第二部分的上表面暴露在光束的任一侧上 ,所述梁上的压电材料的第三部分和位于所述第二部分上方的所述梁部分上方的所述第三部分上的导电材料的第四部分; 并移除第二部分。

    Bulk acoustic resonator with matched resonance frequency and fabrication process
    5.
    发明授权
    Bulk acoustic resonator with matched resonance frequency and fabrication process 有权
    具有匹配谐振频率和制造工艺的体声波谐振器

    公开(公告)号:US07310029B2

    公开(公告)日:2007-12-18

    申请号:US10883690

    申请日:2004-07-06

    IPC分类号: H03H9/15 H03H9/54

    摘要: The resonator comprises a piezoelectric layer arranged between two electrodes. An electrical heating resistor is arranged in thermal contact with at least one of the electrodes. Temporary heating of the electrode enables the material constituting the electrode to be partially evaporated, so as to thin the electrode and thus adjust the resonance frequency. Measurement of the resonance frequency in the course of evaporation enables the heating to be interrupted when the required resonance frequency is obtained. One of the electrodes can be arranged on a substrate formed by an acoustic Bragg grating. The resonator can comprise a substrate comprising a cavity whereon one of the electrodes is at least partially arranged.

    摘要翻译: 谐振器包括布置在两个电极之间的压电层。 电加热电阻器布置成与至少一个电极热接触。 电极的暂时加热使得构成电极的材料部分蒸发,从而使电极变薄,从而调节谐振频率。 在蒸发过程中谐振频率的测量使得当获得所需的共振频率时能够中断加热。 一个电极可以布置在由声布拉格光栅形成的基板上。 谐振器可以包括基底,其包括其中一个电极至少部分地布置的空腔。

    Method for forming a variable capacitor
    6.
    发明授权
    Method for forming a variable capacitor 有权
    形成可变电容器的方法

    公开(公告)号:US07565725B2

    公开(公告)日:2009-07-28

    申请号:US11512731

    申请日:2006-08-30

    IPC分类号: H01G7/00

    摘要: A method for forming a variable capacitor including a conductive strip covering the inside of a cavity, and a flexible conductive membrane placed above the cavity, the cavity being formed according to the steps of: forming a recess in the substrate; placing a malleable material in the recess; having a stamp bear against the substrate at the level of the recess to give the upper part of the malleable material a desired shape; hardening the malleable material; and removing the stamp.

    摘要翻译: 一种形成可变电容器的方法,所述可变电容器包括覆盖空腔内部的导电条和位于所述空腔上方的柔性导电膜,所述空腔根据以下步骤形成:在所述基板中形成凹部; 将可延展材料放置在凹槽中; 在凹部的水平处具有抵靠基板的印模,以使可延展材料的上部具有期望的形状; 硬化可延展材料; 并移除邮票。