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公开(公告)号：US20120293277A1
公开(公告)日：2012-11-22
申请号：US13565173
申请日：2012-08-02
申请人： Motoaki HARA , Takeshi SAKASHITA , Masafumi IWAKI , Jun TSUTSUMI , Tokihiro NISHIHARA , Masanori UEDA
发明人： Motoaki HARA , Takeshi SAKASHITA , Masafumi IWAKI , Jun TSUTSUMI , Tokihiro NISHIHARA , Masanori UEDA
CPC分类号： H03H9/725 , H03H9/0023 , H03H9/0576 , H03H9/132 , H03H9/605 , H03H9/6483 , H03H9/706
摘要： The filter includes one or more series resonators and one or more parallel resonators. An inductance is connected in series to at least a parallel resonator of the parallel resonators, and a antiresonance frequency of the parallel resonator to which the inductance is connected in series is equal to or higher than that of the series resonators. The duplexer, the communication module and the communication device are provided with the filter.
摘要翻译： 滤波器包括一个或多个串联谐振器和一个或多个并联谐振器。 电感与并联谐振器的至少并联谐振器串联连接，电感串联连接的并联谐振器的反谐振频率等于或高于串联谐振器的并联谐振器的反谐振频率。 双工器，通信模块和通信设备设有过滤器。
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公开(公告)号：US20140191826A1
公开(公告)日：2014-07-10
申请号：US14136363
申请日：2013-12-20
CPC分类号： H03H9/564 , H03H9/02086 , H03H9/173 , H03H9/174 , H03H9/175 , H03H9/582 , H03H9/6496
摘要： A piezoelectric thin film resonator includes: a substrate; a piezoelectric film located on the substrate; a lower electrode and an upper electrode located to sandwich the piezoelectric film; a load film formed from patterns in a resonance region in which the lower electrode and the upper electrode face each other across the piezoelectric film, wherein the patterns are formed so as to surround a center of the resonance region and intersect with a pathway extending from the center to an outer periphery of the resonance region.
摘要翻译： 压电薄膜谐振器包括：基板; 位于所述基板上的压电薄膜; 位于夹着压电膜的下电极和上电极; 由在下部电极和上部电极在压电膜上彼此面对的共振区域中的图案形成的负载膜，其中，图案形成为围绕谐振区域的中心并且与从该 中心到共振区域的外周。
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公开(公告)号：US20130033151A1
公开(公告)日：2013-02-07
申请号：US13563505
申请日：2012-07-31
CPC分类号： H03H3/04 , H03H9/171 , H03H2003/021 , H03H2003/023 , H03H2003/025 , H03H2003/0407 , Y10T29/42
摘要： 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.
摘要翻译： 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 。
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公开(公告)号：US20130033337A1
公开(公告)日：2013-02-07
申请号：US13556881
申请日：2012-07-24
CPC分类号： H03H9/0095 , H03H9/02102 , H03H9/131 , H03H9/173 , H03H9/175 , H03H9/542 , H03H9/583 , H03H9/585 , H03H9/605 , H03H9/706 , H03H2003/0471
摘要： An acoustic wave filter including piezoelectric thin film resonators, in which at least two of the piezoelectric thin film resonators including: a substrate; a piezoelectric film located on the substrate; a lower electrode and an upper electrode located across at least a part of the piezoelectric film; a mass load film for a frequency control located in a resonance region where the lower electrode and the upper electrode face each other, and having a shape different from that of the resonance region; and a temperature compensation film having a temperature coefficient of an elastic constant opposite in sign to that of the piezoelectric film, at least a part of the temperature compensation film being located between the lower electrode and the upper electrode in the resonance region, and areas of mass load films of said at least two of the piezoelectric thin film resonators are different from each other.
摘要翻译： 一种包括压电薄膜谐振器的声波滤波器，其中至少两个压电薄膜谐振器包括：基板; 位于所述基板上的压电薄膜; 位于所述压电膜的至少一部分的下电极和上电极; 用于频率控制的质量负载膜，位于下电极和上电极彼此面对的共振区域中，具有与谐振区域不同的形状; 以及温度补偿膜，其具有与压电膜的弹性常数相反的弹性常数的温度系数，所述温度补偿膜的至少一部分位于所述共振区域中的下部电极和上部电极之间， 所述至少两个压电薄膜谐振器的质量负载薄膜彼此不同。
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公开(公告)号：US20120198672A1
公开(公告)日：2012-08-09
申请号：US13362743
申请日：2012-01-31
IPC分类号： H03H3/02
CPC分类号： H03H3/02 , H01L41/312 , H01L41/337 , H03H3/10 , H03H9/02574 , H03H9/0504 , Y10T29/42 , Y10T29/49005 , Y10T29/49153
摘要： A method for manufacturing an acoustic wave device includes: bonding a piezoelectric substrate to a first surface of a first support substrate; thinning the piezoelectric substrate after the bonding to thus form a piezoelectric layer; forming a first electrode on a first surface of the piezoelectric layer; forming holes in the first support substrate located below the first electrode; and bonding a second support substrate to a second surface of the first support substrate opposite to the first surface after the forming of holes.
摘要翻译： 一种制造声波器件的方法包括：将压电基片接合到第一支撑基板的第一表面; 在接合之后使压电基板变薄从而形成压电层; 在所述压电层的第一表面上形成第一电极; 在位于第一电极下方的第一支撑基板上形成孔; 以及在形成孔之后，将第二支撑基板接合到所述第一支撑基板的与所述第一表面相对的第二表面。
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公开(公告)号：US20120293276A1
公开(公告)日：2012-11-22
申请号：US13563510
申请日：2012-07-31
CPC分类号： H03H9/725 , H03H9/0038 , H03H9/0571 , H03H9/0576 , H03H9/6436 , H03H9/706
摘要： A duplexer includes an unbalanced transmitting filter; a balanced receiving filter; a transmitting port connected to the transmitting filter; and a first receiving port and a second receiving port connected to the receiving filter. The duplexer also includes an electromagnetic coupling portion connected between the transmitting port and the first receiving port and between the transmitting port and the second receiving port. The electromagnetic coupling portion adjusts the phase between electric power that flows from the transmitting port to the first receiving port and electric power that flows from the transmitting port to the second receiving port.
摘要翻译： 双工器包括不平衡发射滤波器; 平衡接收滤波器; 连接到发送滤波器的发送端口; 以及连接到接收滤波器的第一接收端口和第二接收端口。 双工器还包括连接在发送端口和第一接收端口之间以及发送端口和第二接收端口之间的电磁耦合部分。 电磁耦合部分调节从发送端口到第一接收端口的电力之间的相位以及从发送端口流向第二接收端口的电力。
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公开(公告)号：US20120313725A1
公开(公告)日：2012-12-13
申请号：US13590897
申请日：2012-08-21
CPC分类号： H03H9/0095 , H03H3/02 , H03H9/585 , H03H9/587 , H03H9/706 , H03H2003/021
摘要： The filter includes: a primary transducer connected to a primary terminal; a secondary transducer connected to a plurality of secondary terminals; and a coupling transducer for mechanically coupling the primary transducer and the secondary transducer.
摘要翻译： 滤波器包括：连接到主终端的主换能器; 连接到多个次级端子的次级换能器; 以及用于机械耦合主换能器和次换能器的耦合换能器。
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公开(公告)号：US20120313726A1
公开(公告)日：2012-12-13
申请号：US13590900
申请日：2012-08-21
CPC分类号： H03H9/605 , H03H7/0123 , H03H7/0138 , H03H7/075 , H03H7/463 , H03H9/542 , H03H9/568 , H03H9/6483 , H03H9/706 , H03H9/725
摘要： A filter includes a plurality of primary resonators connected to a serial arm, a plurality of secondary resonators connected to a parallel arm, a primary inductor connected to at least one of the plurality of primary resonators and a secondary inductor connected to at least one of the plurality of secondary resonators. The primary inductor is arranged so as not to be connected to a path between the secondary resonator to which the secondary inductor is connected in parallel and the primary resonator that is connected to the secondary resonator to which the secondary inductor is connected in parallel.
摘要翻译： 滤波器包括连接到串行臂的多个主谐振器，连接到并联臂的多个次谐波器，连接到多个初级谐振器中的至少一个的主电感器和连接到多个初级谐振器中的至少一个的次级电感器 多个次级谐振器。 初级电感器被布置成不连接到次级电感器并联连接的次级谐振器和连接到次级电感器并联到的次级谐振器的主谐振器之间的路径。
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公开(公告)号：US20120274421A1
公开(公告)日：2012-11-01
申请号：US13482103
申请日：2012-05-29
申请人： Motoaki HARA , Jun TSUTSUMI , Shogo INOUE , Masafumi IWAKI , Masanori UEDA
发明人： Motoaki HARA , Jun TSUTSUMI , Shogo INOUE , Masafumi IWAKI , Masanori UEDA
IPC分类号： H03H9/64
CPC分类号： H03H7/38 , H03H9/0028 , H03H9/009 , H03H9/0222 , H03H9/0576 , H03H9/725
摘要： 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.
摘要翻译： 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。
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公开(公告)号：US20100026419A1
公开(公告)日：2010-02-04
申请号：US12512571
申请日：2009-07-30
申请人： Motoaki HARA , Shogo INQUE , Jun TSUTSUMI , Takashi MATSUDA , Masanori UEDA
发明人： Motoaki HARA , Shogo INQUE , Jun TSUTSUMI , Takashi MATSUDA , Masanori UEDA
IPC分类号： H03H7/01
CPC分类号： H03H9/0028 , H03H9/6483 , H03H9/706 , H03H9/725 , H03H2009/0019
摘要： 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.
摘要翻译： 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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