STRUCTURE OF MICRO-ELECTRO-MECHANICAL-SYSTEM MICROPHONE

    公开(公告)号:US20210195340A1

    公开(公告)日:2021-06-24

    申请号:US16719941

    申请日:2019-12-18

    Abstract: In an embodiment, the invention provides a structure of MEMS microphone includes a substrate of semiconductor, having a first opening in the substrate. A dielectric layer is disposed on the substrate, having a dielectric opening. A diaphragm is within the dielectric opening and held by the dielectric layer at a peripheral region, wherein the diaphragm has a diaphragm opening. A back-plate is disposed on the dielectric layer, over the diaphragm. A protruding structure is disposed on the back-plate, protruding toward the diaphragm. At least one air valve plate is affixed on an end of the protruding structure within the diaphragm opening of the diaphragm. The air valve plate is activated when suffering an air flow with a pressure.

    STORAGE DEVICE WITH ACCESS CONTROL DEVICE AND METHOD FOR ACCESSING STORAGE DEVICE
    2.
    发明申请
    STORAGE DEVICE WITH ACCESS CONTROL DEVICE AND METHOD FOR ACCESSING STORAGE DEVICE 审中-公开
    具有访问控制设备的存储设备和用于访问存储设备的方法

    公开(公告)号:US20160360417A1

    公开(公告)日:2016-12-08

    申请号:US15242613

    申请日:2016-08-22

    Abstract: A mobile storage device with access control includes a portable storage device and an access control device. The access control device has a non-volatile memory for storing an access-control setting information. If the access-control setting information has already been set with required parameters and when the portable storage device with the access control device is connected to a master equipment, the portable storage device is automatically switched to a secured private zone for the master equipment to access the secured private zone. Further, an agreement to recognize the access-control setting information is made in each time of access if the access control device requires the agreement.

    Abstract translation: 具有访问控制的移动存储设备包括便携式存储设备和访问控制设备。 访问控制装置具有用于存储访问控制设置信息的非易失性存储器。 如果访问控制设置信息已经被设置为所需参数,并且当具有访问控制设备的便携式存储设备连接到主设备时,便携式存储设备被自动切换到主设备访问的安全私有区域 安全私人区域。 此外,如果访问控制设备需要协商,则在每次访问时都进行识别访问控制设置信息的协议。

    MICROPHONE PACKAGE
    3.
    发明申请
    MICROPHONE PACKAGE 审中-公开

    公开(公告)号:US20200068317A1

    公开(公告)日:2020-02-27

    申请号:US16112777

    申请日:2018-08-27

    Abstract: A structure of micro-electro-mechanical-system (MEMS) microphone package includes a packaging substrate and an integrated circuit disposed on the packaging substrate. In addition, a MEMS microphone is disposed on the packaging substrate, wherein the MEMS microphone is electrically connected to the integrated circuit. A conductive adhesion layer is disposed on the packaging substrate, surrounding the integrated circuit and the MEMS microphone. A cap structure has a bottom part being adhered to the conductive adhesion layer. An underfill layer is disposed on the packaging substrate, covering an outer side of the conductive adhesion layer.

    Microelectromechanical system (MEMS) device and fabrication method thereof
    5.
    发明授权
    Microelectromechanical system (MEMS) device and fabrication method thereof 有权
    微机电系统(MEMS)器件及其制造方法

    公开(公告)号:US09126827B2

    公开(公告)日:2015-09-08

    申请号:US14603371

    申请日:2015-01-23

    Abstract: A method for fabricating MEMS device includes providing a silicon substrate. A structural dielectric layer is formed over a first side of the silicon substrate. Structure elements are embedded in the structural dielectric layer. The structure elements include a conductive backplate disposed over the silicon substrate, having venting holes and protrusion structures on top of the conductive backplate; and diaphragm located above the conductive backplate by a distance. A chamber is formed between the diaphragm and the conductive backplate. A cavity is formed in the silicon substrate at a second side. The cavity corresponds to the structure elements. An isotropic etching is performed on a dielectric material of the structural dielectric layer to release the structure elements. A first side of the diaphragm is exposed by the chamber and faces to the protrusion structures of the conductive backplate. A second side of the diaphragm is exposed to an environment space.

    Abstract translation: 制造MEMS器件的方法包括提供硅衬底。 在硅衬底的第一侧上形成结构介电层。 结构元件嵌入在结构介电层中。 结构元件包括设置在硅衬底上的导电背板,在导电背板的顶部上具有通气孔和突出结构; 和隔膜位于导电背板上方一段距离。 在隔膜和导电背板之间形成一个室。 在第二侧的硅衬底中形成腔体。 空腔对应于结构元件。 对结构介电层的电介质材料进行各向同性蚀刻以释放结构元件。 隔膜的第一侧被室暴露,并面向导电背板的突出结构。 隔膜的第二面暴露于环境空间。

    Method for fabricating micro-electro-mechanical systems (MEMS) device
    6.
    发明授权
    Method for fabricating micro-electro-mechanical systems (MEMS) device 有权
    微电子机械系统(MEMS)装置的制造方法

    公开(公告)号:US08673732B2

    公开(公告)日:2014-03-18

    申请号:US13906340

    申请日:2013-05-31

    Abstract: Method is to fabricate a MEMS device with a substrate. The substrate has through holes in the substrate within a diaphragm region and optionally an indent space from the second surface at the diaphragm region. A first dielectric structural layer is then disposed over the substrate from the first surface, wherein the first dielectric structural layer has a plurality of openings corresponding to the through holes, wherein each of the through holes remains exposed by the first dielectric structural layer. A second dielectric structural layer with a chamber is disposed over the first dielectric structural layer, wherein the chamber exposes the openings of the first dielectric structural layer and the through holes of the substrate to connect to the indent space. A MEMS diaphragm is embedded in the second dielectric structural layer above the chamber, wherein an air gap is formed between the substrate and the MEMS diaphragm.

    Abstract translation: 方法是制造具有衬底的MEMS器件。 衬底在膜片区域内的衬底中具有通孔,并且可选地在隔膜区域处具有与第二表面相邻的凹陷空间。 然后,第一介电结构层从第一表面设置在衬底上,其中第一介电结构层具有对应于通孔的多个开口,其中每个通孔保持被第一介电结构层暴露。 具有腔室的第二电介质结构层设置在第一介电结构层上,其中腔室暴露第一介电结构层的开口和衬底的通孔以连接到凹陷空间。 MEMS隔膜嵌入在腔室上方的第二电介质结构层中,其中在衬底和MEMS隔膜之间形成气隙。

    Structure of micro-electro-mechanical-system microphone

    公开(公告)号:US11206495B2

    公开(公告)日:2021-12-21

    申请号:US16677622

    申请日:2019-11-07

    Abstract: A MEMS microphone includes a substrate. A dielectric layer is disposed on the substrate, having an opening and includes: indent region surrounding the opening; pillars extending from an indent surface at the indent region to the substrate; and an outer part surrounding the indent region and disposed on the substrate. A signal sensing space is created at the indent region between the pillars and between the pillars and the outer part. A first electrode layer is disposed on the indent surface of the dielectric layer. A second electrode layer is disposed on the substrate. A sensing diaphragm is held by the dielectric layer, including two elastic diaphragms supported by the dielectric layer; and a conductive plate between the first elastic diaphragm and the second elastic diaphragm. The conductive plate has a central part embedded in the holding structure and a peripheral part extending into the signal sensing space.

    STRUCTURE OF MICRO-ELECTRO-MECHANICAL-SYSTEM MICROPHONE AND METHOD FOR FABRICATING THE SAME

    公开(公告)号:US20210276857A1

    公开(公告)日:2021-09-09

    申请号:US16812395

    申请日:2020-03-09

    Abstract: The invention provides a MEMS microphone. The MEMS microphone includes a substrate, having a first opening. A dielectric layer is disposed on the substrate, wherein the dielectric layer has a second opening aligned to the first opening. A diaphragm is disposed within the second opening of the dielectric layer, wherein a peripheral region of the diaphragm is embedded into the dielectric layer at sidewall of the second opening. A backplate layer is disposed on the dielectric layer and covering over the second opening. The backplate layer includes a plurality of acoustic holes arranged into a regular array pattern. The regular array pattern comprises a pattern unit, the pattern unit comprises one of the acoustic holes as a center hole, and peripheral holes of the acoustic holes surrounding the center hole with a same pitch to the center hole.

    Microphone package
    9.
    发明授权

    公开(公告)号:US10728674B2

    公开(公告)日:2020-07-28

    申请号:US16112777

    申请日:2018-08-27

    Abstract: A structure of micro-electro-mechanical-system (MEMS) microphone package includes a packaging substrate and an integrated circuit disposed on the packaging substrate. In addition, a MEMS microphone is disposed on the packaging substrate, wherein the MEMS microphone is electrically connected to the integrated circuit. A conductive adhesion layer is disposed on the packaging substrate, surrounding the integrated circuit and the MEMS microphone. A cap structure has a bottom part being adhered to the conductive adhesion layer. An underfill layer is disposed on the packaging substrate, covering an outer side of the conductive adhesion layer.

    Micro-electro-mechanical systems (MEMS) device and method for fabricating the MEMS

    公开(公告)号:US10250998B2

    公开(公告)日:2019-04-02

    申请号:US15335420

    申请日:2016-10-26

    Abstract: A Micro-Electro-Mechanical Systems (MEMS) device includes a substrate, a dielectric supporting layer, a diaphragm, a backplate. The substrate has a substrate opening corresponding to a diaphragm region. The dielectric supporting layer is disposed on the substrate, having a dielectric opening corresponding to the substrate opening to form the diaphragm region. The diaphragm within the dielectric opening is held by the dielectric supporting layer at a periphery. The backplate is disposed on the dielectric supporting layer, having a plurality of venting holes, connecting to the dielectric opening. The backplate includes a conductive layer and a passivation layer covering over the conductive layer at a first side opposite to the diaphragm, wherein a second side of the conductive layer is facing to the diaphragm and not covered by the passivation layer.

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