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1. 发明授权

US07639103B2 Piezoelectric filter, antenna duplexer, and communications apparatus employing piezoelectric resonator 失效
标题翻译：压电滤波器，天线双工器以及采用压电谐振器的通信装置
公开(公告)号：US07639103B2
公开(公告)日：2009-12-29
申请号：US11812013
申请日：2007-06-14
申请人： Takehiko Yamakawa , Tomohide Kamiyama , Tomohiro Iwasaki , Hiroshi Nakatsuka , Keiji Onishi
发明人： Takehiko Yamakawa , Tomohide Kamiyama , Tomohiro Iwasaki , Hiroshi Nakatsuka , Keiji Onishi
IPC分类号： H03H9/15 , H03H9/54 , H03H9/70
CPC分类号： H03H9/588 , H03H3/04 , H03H9/587 , H03H2003/023 , H03H2003/0414
摘要： A piezoelectric filter comprises a substrate and a plurality of piezoelectric resonators provided on the same substrate. Each piezoelectric resonator comprises a cavity formed in the substrate, a lower electrode formed on the substrate, covering the cavity, a piezoelectric material layer formed on the lower electrode, and an upper electrode formed on the piezoelectric material layer. At least one of the piezoelectric resonators has a cavity formed of a plurality of cells.
摘要翻译：压电滤波器包括基板和设置在同一基板上的多个压电谐振器。每个压电谐振器包括形成在基板中的空腔，形成在基板上的覆盖空腔的下电极，形成在下电极上的压电材料层和形成在压电材料层上的上电极。至少一个压电谐振器具有由多个单元形成的空腔。

2. 发明申请

US20090315643A1 FILTER DEVICE 失效
标题翻译：过滤器
公开(公告)号：US20090315643A1
公开(公告)日：2009-12-24
申请号：US12515636
申请日：2007-11-19
申请人： Takehiko Yamakawa , Toshiyuki Okajima , Hiroshi Nakatsuka , Keiji Onishi
发明人： Takehiko Yamakawa , Toshiyuki Okajima , Hiroshi Nakatsuka , Keiji Onishi
IPC分类号： H03H7/01
CPC分类号： H03H7/0153 , H03H7/0115 , H03H7/1708 , H03H7/1725 , H03H7/1733 , H03H7/1758 , H03H2007/013 , H03H2210/012
摘要： A high frequency filter includes an inductor, a serial resonance circuit including an inductor and capacitors, a serial resonance circuit including an inductor and capacitors, and a varactor diode connected between a connection point between the capacitor and the capacitor and a connection point between the capacitor and the capacitor. A controller simultaneously changes two attenuation pole frequencies of the filter device by changing a capacitance of the varactor diode.
摘要翻译：高频滤波器包括电感器，包括电感器和电容器的串联谐振电路，包括电感器和电容器的串联谐振电路以及连接在电容器和电容器之间的连接点之间的变容二极管和电容器之间的连接点和电容器。控制器通过改变变容二极管的电容同时改变滤波器装置的两个衰减极点频率。

3. 发明申请

US20090277762A1 MICROMACHINE SWITCH, FILTER CIRCUIT, DUPLEXER CIRCUIT, AND COMMUNICATION DEVICE 有权
标题翻译： MICROMACHINE SWITCH，滤波电路，双工器电路和通信设备
公开(公告)号：US20090277762A1
公开(公告)日：2009-11-12
申请号：US12297334
申请日：2007-04-25
申请人： Hiroshi Nakatsuka , Takehiko Yamakawa , Keiji Onishi
发明人： Hiroshi Nakatsuka , Takehiko Yamakawa , Keiji Onishi
IPC分类号： H01H19/00
CPC分类号： B81B5/00 , B81B2201/018 , B81B2201/034 , H01H1/0036 , H01P1/127
摘要： A micromachine switch of the present invention is a micromachine switch for switching an electrical connection between signal electrodes in accordance with control signals from outside which include: a first control signal for electrically connecting the signal electrodes between which a signal is to be passed; and a second control signal for disconnecting the electrical connection between the signal electrodes. The micromachine switch comprises: a substrate; a rotating body provided on the substrate, which is rotatable on the substrate; a movable electrode provided on the rotating body; a first signal electrode, one end of which is electrically connected to one end of the movable electrode, and another end of which is provided on the substrate; a second signal electrode which is provided near the rotating body so as to be positioned such that a rotation of the rotating body causes the second signal electrode to be electrically connected to another end of the movable electrode; and a drive section for causing, in accordance with the first control signal, the rotating body to rotate until the rotating body is in such a position as to allow said another end of the movable electrode and the second signal electrode to be electrically connected, and for causing, in accordance with the second control signal, the rotating body to rotate until the rotating body is in such a position as to disconnect an electrical connection between said another end of the movable electrode and the second signal electrode.
摘要翻译：本发明的微加工开关是根据来自外部的控制信号切换信号电极之间的电连接的微型机械开关，其包括：用于电连接信号电极之间的信号的第一控制信号; 以及用于断开信号电极之间的电连接的第二控制信号。微机械开关包括：基板; 旋转体，其设置在所述基板上，所述旋转体可在所述基板上旋转; 设置在所述旋转体上的可动电极; 第一信号电极，其一端电连接到可动电极的一端，另一端设置在基板上; 第二信号电极，设置在旋转体附近，以便使得旋转体的旋转使第二信号电极电连接到可动电极的另一端; 以及驱动部分，用于根据第一控制信号使旋转体旋转直到旋转体处于允许可动电极和第二信号电极的另一端电连接的位置，以及用于根据第二控制信号使旋转体旋转直到旋转体处于断开可动电极的另一端和第二信号电极之间的电连接的位置。

4. 发明授权

US07479847B2 Filter using piezoelectric resonator 失效
标题翻译：使用压电谐振器滤波
公开(公告)号：US07479847B2
公开(公告)日：2009-01-20
申请号：US11582425
申请日：2006-10-18
申请人： Takehiko Yamakawa , Hiroshi Yamaguchi , Hiroshi Nakatsuka , Hiroyuki Nakamura , Keiji Onishi , Toshio Ishizaki
发明人： Takehiko Yamakawa , Hiroshi Yamaguchi , Hiroshi Nakatsuka , Hiroyuki Nakamura , Keiji Onishi , Toshio Ishizaki
IPC分类号： H03H9/00 , H03H9/54
CPC分类号： H03H9/605 , H03H9/25 , H03H9/542 , H03H9/6483 , H03H9/6493
摘要： A series piezoelectric resonator 11 is connected in series between an input terminal 15a and an output terminal 15b. A first electrode of a parallel piezoelectric resonator 12a is connected to a connection point between the input terminal 15a and the series piezoelectric resonator 11, and a second electrode of the parallel piezoelectric resonator 12a is connected to a first terminal of an inductor 13a. A first electrode of a parallel piezoelectric resonator 12b is connected to a connection point between the series piezoelectric resonator 11 and the output terminal 15b, and a second electrode of the parallel piezoelectric resonator 12b is connected to a first terminal of an inductor 13b. Second terminals of the inductors 13a and 13b are grounded. An additional piezoelectric resonator 14 is connected between the second electrode of the parallel piezoelectric resonator 12a and the second electrode of the parallel piezoelectric resonator 12b.
摘要翻译：串联压电谐振器11串联连接在输入端子15a和输出端子15b之间。平行压电谐振器12a的第一电极连接到输入端子15a和串联压电谐振器11之间的连接点，并联压电谐振器12a的第二电极连接到电感器13a的第一端子。平行压电谐振器12b的第一电极连接到串联压电谐振器11和输出端子15b之间的连接点，并联压电谐振器12b的第二电极连接到电感器13b的第一端子。电感器13a和13b的第二端接地。另外的压电谐振器14连接在并联压电谐振器12a的第二电极和并联压电谐振器12b的第二电极之间。

5. 发明申请

US20080290969A1 Piezoelectric Resonator, Piezoelectric Filter, and Duplexer and Communication Device Using the Same 失效
标题翻译：压电谐振器，压电滤波器和双工器及使用其的通信装置
公开(公告)号：US20080290969A1
公开(公告)日：2008-11-27
申请号：US11916792
申请日：2006-06-22
申请人： Takehiko Yamakawa , Hiroshi Nakatsuka , Keiji Onishi
发明人： Takehiko Yamakawa , Hiroshi Nakatsuka , Keiji Onishi
IPC分类号： H03H9/205 , H03H9/54
CPC分类号： H03H9/588 , H03H3/04 , H03H9/605 , H03H2003/0471
摘要： Three or more piezoelectric resonators having resonance frequencies different from one another are realized on the same substrate. First through third frequency adjustment layers 107a through 107c of first through third piezoelectric resonators 102a through 102c provided on the same substrate 101 are formed by varying, among the frequency adjustment layers, the ratio of area (depressions 109 and 110) to be etched to area not to be etched.
摘要翻译：在相同的基板上实现具有彼此不同的谐振频率的三个或更多个压电谐振器。通过在频率调整层之间改变要蚀刻的面积（凹陷109和110）与区域之间的比率来形成通过在同一基板101上设置的第一至第三压电谐振器102a至102c的第一至第三频率调节层107a至107c 不被蚀刻。

6. 发明授权

US07417360B2 Piezoelectric resonator and method for producing the same 失效
标题翻译：压电谐振器及其制造方法
公开(公告)号：US07417360B2
公开(公告)日：2008-08-26
申请号：US11580032
申请日：2006-10-13
申请人： Tomohide Kamiyama , Keiji Onishi , Hiroshi Nakatsuka , Takehiko Yamakawa , Tomohiro Iwasaki
发明人： Tomohide Kamiyama , Keiji Onishi , Hiroshi Nakatsuka , Takehiko Yamakawa , Tomohiro Iwasaki
IPC分类号： H01L41/053
CPC分类号： H03H3/02 , H03H9/02118 , H03H9/0514 , H03H9/132 , H03H9/172 , H03H9/564 , H03H9/568 , H03H9/706
摘要： An upper electrode is provided on one main surface of a piezoelectric layer, and a lower electrode is provided on the other main surface thereof. A vibration section is an area in which the lower electrode, the piezoelectric layer and the upper electrode overlap in a vertical projection direction. Line electrodes for respectively connecting the lower electrode and the upper electrode to input/output electrodes are provided on the one main surface and the other main surface of the piezoelectric layer. The vibration section is placed on (connected to) the substrate via the support section. The support section is provided on an area of the piezoelectric layer excluding the area on which the vibration section is provided and the area on which the input/output electrodes and the line electrodes are provided.
摘要翻译：上电极设置在压电层的一个主表面上，下电极设置在另一个主表面上。振动部是下部电极，压电体层和上部电极在垂直方向上重叠的区域。用于将下电极和上电极分别连接到输入/输出电极的线电极设置在压电层的一个主表面和另一个主表面上。振动部分经由支撑部分放置在（连接到）基板上。支撑部设置在除了设置振动部的区域以外的压电层的区域和设置有输入输出电极和线电极的区域。

7. 发明授权

US07230367B2 Piezoelectric resonator, production method thereof, filter, duplexer, and communication device 失效
公开(公告)号：US07230367B2
公开(公告)日：2007-06-12
申请号：US10979277
申请日：2004-11-03
申请人： Hiroshi Yamaguchi , Hiroshi Nakatsuka , Keiji Onishi , Takehiko Yamakawa , Hiroyuki Nakamura
发明人： Hiroshi Yamaguchi , Hiroshi Nakatsuka , Keiji Onishi , Takehiko Yamakawa , Hiroyuki Nakamura
IPC分类号： H01L41/04 , H03H9/70
CPC分类号： H03H9/173 , H03H3/04 , H03H2003/021
摘要： A piezoelectric resonator includes a substrate, a lower electrode provided on or above the substrate, a piezoelectric member provided on or above the lower electrode, an upper electrode provided on or above the piezoelectric member, and a cavity provided below a vibration member including the lower electrode, the piezoelectric member, and the upper electrode. In a case where a resonance frequency of vibration with a thickness of the vibration member being a half of a wavelength is taken as fr1, an average of ultrasonic velocity in a material forming the cavity is taken as Vc2, and a value determined based on the resonance frequency fr1 and the average of ultrasonic velocity Vc2 is λc (=Vc2/fr1), a depth t2 of the cavity is set as, ( 2 ⁢ n - 1 ) × λ ⁢ ⁢ c 4 - λc 8 ≦ t2 ≦ ( 2 ⁢ n - 1 ) × λ ⁢ ⁢ c 4 + λ ⁢ ⁢ c 8 , where n is an arbitrary natural number.

8. 发明授权

US07113055B2 Piezoelectric resonator, method of manufacturing piezoelectric resonator, and filter, duplexer, and communication device using piezoelectric resonator 有权
公开(公告)号：US07113055B2
公开(公告)日：2006-09-26
申请号：US10979420
申请日：2004-11-03
申请人： Hiroshi Nakatsuka , Keiji Onishi , Hiroyuki Nakamura , Takehiko Yamakawa , Hiroshi Yamaguchi
发明人： Hiroshi Nakatsuka , Keiji Onishi , Hiroyuki Nakamura , Takehiko Yamakawa , Hiroshi Yamaguchi
IPC分类号： H03H9/70 , H03H9/54 , H03H9/15 , H03H3/02
CPC分类号： H03H3/04 , H03H9/0211 , H03H9/173 , Y10T29/42
摘要： A piezoeletric resonator includes: a substrate; a lower electrode formed on or above the substrate; a piezoeletric body formed on or above the lower electrode; an upper electrode formed on or above the piezoeletric body; and a cavity under a vibrating portion formed by the lower electrode, the piezoeletric body, and the upper electrode. Where a resonant frequency of vibration with a thickness of the vibrating portion being a half of a wavelength is taken as fr, an average of ultrasonic velocity in a material forming the cavity is taken as Vc, and a value determined based on the resonant frequency fr and the average of ultrasonic velocity Vc is taken as λc (=Vc/fr), a depth of the cavity is set so as to be equal to or larger than n×λc/2−λc/8 and equal to or smaller than n×λc/2+λc/8.

9. 发明申请

US20050099093A1 Piezoelectric resonator, production method thereof, filter, duplexer, and communication device 失效
公开(公告)号：US20050099093A1
公开(公告)日：2005-05-12
申请号：US10979277
申请日：2004-11-03
申请人： Hiroshi Yamaguchi , Hiroshi Nakatsuka , Keiji Onishi , Takehiko Yamakawa , Hiroyuki Nakamura
发明人： Hiroshi Yamaguchi , Hiroshi Nakatsuka , Keiji Onishi , Takehiko Yamakawa , Hiroyuki Nakamura
IPC分类号： H03H9/15 , H03H3/04 , H03H9/13 , H03H9/17 , H01L41/08
CPC分类号： H03H9/173 , H03H3/04 , H03H2003/021
摘要： The present invention relates to a piezoelectric resonator including: a substrate; a lower electrode provided on or above the substrate; a piezoelectric member 101 provided on or above the lower electrode; an upper electrode 102 provided on or above the piezoelectric member; and a cavity 104 provided below a vibration member consisting of the lower electrode, the piezoelectric member, and the upper electrode. In the case where a resonance frequency of vibration with a thickness of the vibration member being a half of a wavelength is taken as fr1, an average of ultrasonic velocity in a material forming the cavity is taken as Vc2, and a value determined based on the resonance frequency fr1 and the average of ultrasonic velocity Vc2 is λc (=Vc2/fr1), a depth t2 of the cavity is set as shown below, ( 2 ⁢ n - 1 ) × λ ⁢ ⁢ c 4 - λc 8 ≦ t2 ≦ ( 2 ⁢ n - 1 ) × λ ⁢ ⁢ c 4 + λ ⁢ ⁢ c 8 , where n is an arbitrary natural number.

10. 发明申请

US20050057324A1 Thin film bulk acoustic resonator, method for producing the same, filter, composite electronic component device, and communication device 失效
标题翻译：薄膜体声波谐振器，其制造方法，滤波器，复合电子部件装置以及通信装置
公开(公告)号：US20050057324A1
公开(公告)日：2005-03-17
申请号：US10935160
申请日：2004-09-08
申请人： Keiji Onishi , Hiroyuki Nakamura , Hiroshi Nakatsuka , Takehiko Yamakawa
发明人： Keiji Onishi , Hiroyuki Nakamura , Hiroshi Nakatsuka , Takehiko Yamakawa
IPC分类号： H03H3/02 , H03H9/13 , H03H9/17 , H03H9/56 , H03H9/58
CPC分类号： H03H9/564 , H03H3/02 , H03H9/02118 , H03H9/171 , H03H9/568
摘要： A thin film bulk acoustic resonator includes a piezoelectric film, and a pair of electrodes between which the piezoelectric film is interposed. The piezoelectric film includes an outer region extending outwards from at least a portion of the periphery of a resonator portion composed of the pair of electrodes and the piezoelectric film. The outer region includes, in at least a portion thereof, an acoustic damping region for damping acoustic waves.
摘要翻译：薄膜体声波谐振器包括压电薄膜和介于其间的一对电极。压电膜包括从由一对电极和压电膜组成的谐振器部分的周边的至少一部分向外延伸的外部区域。外部区域在其至少一部分中包括用于阻尼声波的声阻尼区域。

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