Microelectromechanical microphone
    12.
    发明授权

    公开(公告)号:US10575101B2

    公开(公告)日:2020-02-25

    申请号:US15897946

    申请日:2018-02-15

    Abstract: A microelectromechanical microphone includes a reference electrode, a first membrane arranged on a first side of the reference electrode and displaceable by sound to be detected, and a second membrane arranged on a second side of the reference electrode, said second side being situated opposite the first side of the reference electrode, and displaceable by sound to be detected. A region of one from the first and second membranes that is displaceable by sound relative to the reference electrode, independently of said region's position relative to the reference electrode, can comprise a planar section and also an undulatory section adjoining the planar section and arranged in a region of overlap one of the first membrane or the second membrane with the other one of the first membrane and or the second membrane.

    Membrane Components and Method for Forming a Membrane Component

    公开(公告)号:US20190256351A1

    公开(公告)日:2019-08-22

    申请号:US16402632

    申请日:2019-05-03

    Inventor: Alfons Dehe

    Abstract: A membrane component comprises a membrane structure comprising an electrically conductive membrane layer. The electrically conductive membrane layer has a suspension region and a membrane region. In addition, the suspension region of the electrically conductive membrane layer is arranged on an insulation layer. Furthermore, the insulation layer is arranged on a carrier substrate. Moreover, the membrane component comprises a counterelectrode structure. A cavity is arranged vertically between the counterelectrode structure and the membrane region of the electrically conductive membrane layer. In addition, an edge of the electrically conductive membrane layer projects laterally beyond an edge of the insulation layer by more than half of a vertical distance between the electrically conductive membrane layer and the counterelectrode structure.

    SUPPORT STRUCTURE AND METHOD OF FORMING A SUPPORT STRUCTURE

    公开(公告)号:US20190255669A1

    公开(公告)日:2019-08-22

    申请号:US16402248

    申请日:2019-05-03

    Abstract: A structure for fixing a membrane to a carrier including a carrier; a suspended structure; and a holding structure with a rounded concave shape which is configured to fix the suspended structure to the carrier and where a tapered side of the holding structure physically connects to the suspended structure is disclosed. A method of forming the holding structure on a carrier to support a suspended structure is further disclosed. The method may include: forming a holding structure on a carrier; forming a suspended structure on the holding structure; shaping the holding structure such that it has a concave shape; and arranging the holding structure such that a tapered side of the holding structure physically connects to the suspended structure.

    System and method for a variable flow transducer

    公开(公告)号:US10367430B2

    公开(公告)日:2019-07-30

    申请号:US14992615

    申请日:2016-01-11

    Abstract: According to an embodiment, a microelectromechanical systems MEMS transducer includes a deflectable membrane attached to a support structure, an acoustic valve structure configured to cause the deflectable membrane to be acoustically transparent in a first mode and acoustically visible in a second mode, and an actuating mechanism coupled to the deflectable membrane. Other embodiments include corresponding systems and apparatus, each configured to perform various embodiment methods.

    System and Method for a MEMS Device
    19.
    发明申请

    公开(公告)号:US20190181776A1

    公开(公告)日:2019-06-13

    申请号:US16274720

    申请日:2019-02-13

    Abstract: According to an embodiment, a microelectromechanical systems MEMS device includes a first membrane attached to a support structure that a first plurality of acoustic vents; a second membrane attached to the support structure that includes a second plurality of acoustic vents, where the first plurality of acoustic vents and the second plurality of acoustic vents do not overlap; and a closing mechanism coupled to the first membrane and the second membrane.

    Acoustic wave detector
    20.
    发明授权

    公开(公告)号:US10302554B2

    公开(公告)日:2019-05-28

    申请号:US15172178

    申请日:2016-06-03

    Abstract: An acoustic wave detector may include: an exterior housing with an exterior housing wall, a gas chamber located within the exterior housing and configured to receive a gas therein. The exterior housing wall may include an aperture providing a gas passage between the gas chamber and the exterior of the acoustic wave detector. The acoustic wave detector may further include an excitation element configured to selectively excite gas molecules of a specific type in the gas received in the gas chamber in a time-varying fashion, thereby generating acoustic waves in the gas, and an acoustic wave sensor configured to detect the acoustic waves generated in the gas and acoustic waves generated outside of the acoustic wave detector. The acoustic wave sensor may have an acoustic port overlapping with the aperture in the exterior housing wall.

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