Filter, duplexer and communication module
    3.
    发明授权
    Filter, duplexer and communication module 有权
    滤波器,双工器和通信模块

    公开(公告)号:US08552820B2

    公开(公告)日:2013-10-08

    申请号:US13482103

    申请日:2012-05-29

    Abstract: A filter includes at least one series resonator and parallel resonators, the at least one series resonator and the parallel resonators including excitation electrodes and reflectors, the parallel resonators having different resonance frequencies, and at least one of the parallel resonators other than the parallel resonator having the highest resonance frequency being configured to have a pitch of reflectors that is smaller than that of excitation electrodes.

    Abstract translation: 滤波器包括至少一个串联谐振器和并联谐振器,所述至少一个串联谐振器和并联谐振器包括激励电极和反射器,并联谐振器具有不同的谐振频率,并且并联谐振器中的至少一个并联谐振器具有 最高谐振频率被配置为具有比激励电极小的反射器的间距。

    Piezoelectric thin-film resonator with distributed concave or convex patterns
    4.
    发明授权
    Piezoelectric thin-film resonator with distributed concave or convex patterns 有权
    具有分布式凹凸图案的压电薄膜谐振器

    公开(公告)号:US08531087B2

    公开(公告)日:2013-09-10

    申请号:US13570422

    申请日:2012-08-09

    CPC classification number: H03H9/13 H03H9/131

    Abstract: A piezoelectric thin-film resonator includes a substrate, a lower electrode provided on the substrate, a piezoelectric film provided on the lower electrode and an upper electrode that is located opposite the lower electrode across at least a part of the piezoelectric film. A mass load film is provided on the upper electrode. The mass load film includes a plurality of concave or convex patterns in at least a region that faces the lower electrode. The plurality of concave or convex patterns are densely arranged in a central portion of the region and are sparsely arranged in a peripheral portion of the region.

    Abstract translation: 压电薄膜谐振器包括基板,设置在基板上的下电极,设置在下电极上的压电膜和位于压电薄膜的至少一部分上的与下电极相对的上电极。 在上电极上设置质量负荷膜。 质量负载膜在至少面向下电极的区域中包括多个凹凸图案。 多个凹凸图案被密集地布置在该区域的中心部分中,并且稀疏地布置在该区域的周边部分中。

    PIEZOELECTRIC THIN-FILM RESONATOR AND METHOD FOR MANUFACTURING THE SAME
    5.
    发明申请
    PIEZOELECTRIC THIN-FILM RESONATOR AND METHOD FOR MANUFACTURING THE SAME 有权
    压电薄膜共振器及其制造方法

    公开(公告)号:US20130033151A1

    公开(公告)日:2013-02-07

    申请号:US13563505

    申请日:2012-07-31

    Abstract: A piezoelectric thin-film resonator includes: a lower electrode provided on a substrate; a piezoelectric film that is provided on the lower electrode and includes at least two layers; an upper electrode that is provided on the piezoelectric film and has a region sandwiching the piezoelectric film with the lower electrode and facing the lower electrode; and an insulating film that is provided in a region in which the lower electrode and the upper electrode face each other and between each of the at least two layers, wherein an upper face of the insulating film is flatter than a lower face of the insulating film.

    Abstract translation: 压电薄膜谐振器包括:设置在基板上的下电极; 压电膜,其设置在所述下电极上并且包括至少两层; 上部电极,其设置在所述压电膜上,并且具有将所述压电膜与所述下部电极夹在中间且与所述下部电极相对的区域; 以及绝缘膜,其设置在所述下电极和所述上电极彼此面对并且在所述至少两层中的每一个之间的区域中,其中所述绝缘膜的上表面比所述绝缘膜的下表面平坦 。

    FILTER, DUPLEXER AND COMMUNICATION MODULE
    7.
    发明申请
    FILTER, DUPLEXER AND COMMUNICATION MODULE 有权
    滤波器,双工器和通信模块

    公开(公告)号:US20120274421A1

    公开(公告)日:2012-11-01

    申请号:US13482103

    申请日:2012-05-29

    Abstract: A filter includes at least one series resonator and parallel resonators, the at least one series resonator and the parallel resonators including excitation electrodes and reflectors, the parallel resonators having different resonance frequencies, and at least one of the parallel resonators other than the parallel resonator having the highest resonance frequency being configured to have a pitch of reflectors that is smaller than that of excitation electrodes.

    Abstract translation: 滤波器包括至少一个串联谐振器和并联谐振器,所述至少一个串联谐振器和并联谐振器包括激励电极和反射器,并联谐振器具有不同的谐振频率,并且并联谐振器中的至少一个并联谐振器具有 最高谐振频率被配置为具有比激励电极小的反射器的间距。

    Duplexer
    8.
    发明授权
    Duplexer 有权
    双工器

    公开(公告)号:US08279021B2

    公开(公告)日:2012-10-02

    申请号:US13364075

    申请日:2012-02-01

    CPC classification number: H03H9/568 H03H9/605 H03H9/6483 H03H9/706 H03H9/725

    Abstract: A duplexer with a reduced filter loss is provided. The duplexer includes two or more filters F1 and F2 that are connected to a common terminal and that have different passbands. At least one of the filters F1 and F2 includes a plurality of series resonators S1 to Sn connected in series to a path between an input terminal and an output terminal of the filter, and parallel resonators P1 to Pm connected in parallel to the above-mentioned path. An inductance L1 is connected in parallel to at least one of the series resonators, and the series resonator S1 having the inductance L1 connected in parallel thereto is divided into a plurality of resonators S11 to S13 connected in series.

    Abstract translation: 提供了一种降低滤波器损耗的双工器。 双工器包括连接到公共端并且具有不同通带的两个或更多个滤波器F1和F2。 滤波器F1和F2中的至少一个包括与滤波器的输入端子和输出端子之间的路径串联连接的多个串联谐振器S1至Sn,以及与上述并联连接的并联谐振器P1至Pm 路径。 电感L1与串联谐振器中的至少一个并联连接,具有并联连接的电感L1的串联谐振器S1被分成串联连接的多个谐振器S11〜S13。

    Filter, demultiplexer, and module including demultiplexer, communication apparatus
    9.
    发明授权
    Filter, demultiplexer, and module including demultiplexer, communication apparatus 有权
    滤波器,解复用器和模块,包括解复用器,通信设备

    公开(公告)号:US08228137B2

    公开(公告)日:2012-07-24

    申请号:US12709182

    申请日:2010-02-19

    CPC classification number: H03H9/0576 H03H9/725

    Abstract: A demultiplexer has a common terminal, a transmission terminal, and a reception terminal, and furthermore includes a transmission filter connected between the common terminal and the transmission terminal, a reception filter connected between the common terminal and the reception terminal, and a phase shift circuit connected in series to the reception filter connected between the common terminal and the reception terminal. A node on the line from the phase shift circuit to the common terminal or the transmission terminal, and a node on the line from the phase shift circuit to the reception terminal are coupled via a reactance. Accordingly, it is possible to fundamentally reduce or eliminate the situation in which transmission signals from the transmission filter arrive at the reception circuit, and improve isolation.

    Abstract translation: 解复用器具有公共端子,发送端子和接收端子,并且还包括连接在公共端子和发送端子之间的发送滤波器,连接在公共端子和接收端子之间的接收滤波器以及相移电路 与连接在公共端子和接收端子之间的接收滤波器串联连接。 从相移电路到共用端子或发送端子的线路上的节点,以及从相移电路到接收端子的线路上的节点经由电抗耦合。 因此,可以从根本上减少或消除来自发送滤波器的发送信号到达接收电路并且改善隔离的情况。

    Filter, branching filter and communication apparatus
    10.
    发明授权
    Filter, branching filter and communication apparatus 有权
    滤波器,分路滤波器和通信设备

    公开(公告)号:US08138854B2

    公开(公告)日:2012-03-20

    申请号:US12512571

    申请日:2009-07-30

    Abstract: A filter includes: a converter circuit, provided with a single-type common terminal and two balanced terminals, for performing conversion between a balanced line and an unbalanced line; two filter units coupled to each of the balanced terminals of the converter circuit and allowing passage of a signal in a pass band; and a bridging capacitor arranged to extend across the converter circuit and one of the filter units in a bridging manner, wherein the inductance of an opposite-side line of one of the filter units relative to the converter circuit is electromagnetically coupled to the inductance of a line coupling the other filter unit and the converter circuit.

    Abstract translation: 滤波器包括:转换器电路,设置有单型公共端子和两个平衡端子,用于在平衡线路和不平衡线路之间进行转换; 两个滤波器单元耦合到转换器电路的每个平衡端子并允许信号通过通带; 以及桥接电​​容器,布置成以桥接方式跨越所述转换器电路和所述滤波器单元之一延伸,其中所述滤波器单元之一相对于所述转换器电路的相对侧线路的电感被电磁耦合到 线耦合另一个滤波器单元和转换器电路。

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