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382 条记录 (耗时 0.03 秒)

    Acoustic resonator and filter
    31.
    发明授权
    Acoustic resonator and filter 失效
    声谐振器和滤波器

    公开(公告)号：US07531943B2

    公开(公告)日：2009-05-12

    申请号：US11092722

    申请日：2005-03-30

    申请人： Hiroshi Nakatsuka ,  Keiji Onishi ,  Hiroyuki Nakamura ,  Tomohiro Iwasaki

    发明人： Hiroshi Nakatsuka ,  Keiji Onishi ,  Hiroyuki Nakamura ,  Tomohiro Iwasaki

    IPC分类号： H01L41/08

    CPC分类号： H03H9/02157 ,  H03H9/02149 ,  H03H9/174 ,  H03H9/585 ,  H03H9/588

    摘要： The area of an opening C of a cavity is equal to or greater than the area of a horizontal cross section D of a vibrating section. The vibrating section is placed on a support section at a position such that a vertical projection of the vibrating section onto a substrate is accommodated within the opening C of the cavity. Moreover, the sum of a vertical thickness t1 of the vibrating section and a vertical thickness t2 of the support section is equal to one wavelength of a resonance frequency fr of an acoustic resonator (one wavelength=t1+t2), while the thickness t1 of the vibrating section and the thickness t2 of the support section are different from each other (t1≠t2). Thus, neither the thickness t1 of the vibrating section nor the thickness t2 of the support section is equal to the half wavelength of the resonance frequency fr.

    摘要翻译： 空腔的开口C的面积等于或大于振动部分的水平横截面D的面积。 振动部分放置在支撑部分上，使得振动部分在基底上的垂直突起容纳在腔体的开口C内。 此外，振动部的垂直厚度t1和支撑部的垂直厚度t2的和等于声谐振器的谐振频率fr的一个波长（一个波长= t1 + t2），而厚度t1 振动部分和支撑部分的厚度t2彼此不同（t1

    Coupled FBAR filter
    32.
    发明授权
    Coupled FBAR filter 失效
    耦合FBAR滤波器

    公开(公告)号：US07408429B2

    公开(公告)日：2008-08-05

    申请号：US11453064

    申请日：2006-06-15

    申请人： Tomohiro Iwasaki ,  Hiroshi Nakatsuka ,  Keiji Onishi ,  Hiroyuki Nakamura

    发明人： Tomohiro Iwasaki ,  Hiroshi Nakatsuka ,  Keiji Onishi ,  Hiroyuki Nakamura

    IPC分类号： H03H9/00

    CPC分类号： H03H9/564 ,  H03H9/0207

    摘要： A coupled FBAR filter 100 includes first and second input/output vibration portions 110 and 111 respectively including first and second lower electrodes 104 and 106, first and second upper electrodes 105 and 107, and a piezoelectric thin film 103 interposed therebetween; and a cavity 102 for commonly guaranteeing vibrations of the first and second input/output vibration portions 110 and 111 so as to couple the vibrations. The first and second input/output vibration portions 110 and 111 are located adjacently in contact with each other with a step therebetween, such that the first and second lower electrodes 104 and 106 are not electrically connected to each other and such that the first and second upper electrodes 105 and 107 are not electrically connected to each other. Insulators 108 and 109 are provided in the vicinity of the step.

    摘要翻译： 耦合的FBAR滤波器100包括分别包括第一和第二下部电极104和106的第一和第二输入/输出振动部分110和111，第一和第二上部电极105和107以及介于其间的压电薄膜103; 以及用于共同地保证第一和第二输入/输出振动部分110和111的振动以便耦合振动的空腔102。 第一和第二输入/输出振动部分110和111彼此相邻地彼此接触地定位，使得第一和第二下部电极104和106彼此不电连接，并且使得第一和第二输入/输出振动部分110和111 上电极105和107彼此不电连接。 绝缘体108和109设置在台阶附近。

    Coupled FBAR filter
    33.
    发明申请
    Coupled FBAR filter 失效
    耦合FBAR滤波器

    公开(公告)号：US20060284702A1

    公开(公告)日：2006-12-21

    申请号：US11453064

    申请日：2006-06-15

    申请人： Tomohiro Iwasaki ,  Hiroshi Nakatsuka ,  Keiji Onishi ,  Hiroyuki Nakamura

    发明人： Tomohiro Iwasaki ,  Hiroshi Nakatsuka ,  Keiji Onishi ,  Hiroyuki Nakamura

    IPC分类号： H03H9/70 ,  H03H9/58

    CPC分类号： H03H9/564 ,  H03H9/0207

    摘要： A coupled FBAR filter 100 includes first and second input/output vibration portions110 and 111 respectively including first and second lower electrodes 104 and 106, first and second upper electrodes 105 and 107, and a piezoelectric thin film 103 interposed therebetween; and a cavity 102 for commonly guaranteeing vibrations of the first and second input/output vibration portions 110 and 111 so as to couple the vibrations. The first and second input/output vibration portions 110 and 111 are located adjacently in contact with each other with a step therebetween, such that the first and second lower electrodes 104 and 106 are not electrically connected to each other and such that the first and second upper electrodes 105 and 107 are not electrically connected to each other. Insulators 108 and 109 are provided in the vicinity of the step.

    摘要翻译： 耦合的FBAR滤波器100包括分别包括第一和第二下部电极104和106的第一和第二输入/输出振动部分110和111，第一和第二上部电极105和107以及介于其间的压电薄膜103; 以及用于共同地保证第一和第二输入/输出振动部分110和111的振动以便耦合振动的空腔102。 第一和第二输入/输出振动部分110和111彼此相邻地彼此接触地定位，使得第一和第二下部电极104和106彼此不电连接，并且使得第一和第二输入/输出振动部分110和111 上电极105和107彼此不电连接。 绝缘体108和109设置在台阶附近。

    Band elimination filter, filter device, antenna duplexer and communication apparatus
    38.
    发明授权
    Band elimination filter, filter device, antenna duplexer and communication apparatus 失效
    带消除滤波器，滤波器装置，天线双工器和通信装置

    公开(公告)号：US07084718B2

    公开(公告)日：2006-08-01

    申请号：US10657944

    申请日：2003-09-09

    申请人： Hiroyuki Nakamura ,  Shun-Ichi Seki ,  Keiji Onishi

    发明人： Hiroyuki Nakamura ,  Shun-Ichi Seki ,  Keiji Onishi

    IPC分类号： H03H9/70 ,  H03H9/72 ,  H03H9/54 ,  H03H9/64

    CPC分类号： H03H9/6409 ,  H03H9/02118 ,  H03H9/0542 ,  H03H9/0557 ,  H03H9/542 ,  H03H9/547 ,  H03H9/564 ,  H03H9/6483

    摘要： A band elimination filter includes an input terminal and an output terminal. A capacitor is coupled between a first terminal connected to the input terminal and a second terminal connected to the output terminal. The first terminal is grounded only via a first grounding point. The second terminal is grounded only via a second grounding point. A first acoustic resonator is connected between the first terminal and the first grounding point and a second acoustic resonator is connected between the second terminal and the second grounding point.

    摘要翻译： 带除滤波器包括输入端子和输出端子。 电容器耦合在连接到输入端子的第一端子和连接到输出端子的第二端子之间。 第一个端子仅通过第一个接地点接地。 第二个端子仅通过第二个接地点接地。 第一声​​谐振器连接在第一端子和第一接地点之间，第二声谐振器连接在第二端子和第二接地点之间。

    Surface acoustic wave filter, balanced type circuit, and communication apparatus
    39.
    发明申请
    Surface acoustic wave filter, balanced type circuit, and communication apparatus 审中-公开
    表面声波滤波器，平衡型电路和通讯装置

    公开(公告)号：US20060164184A1

    公开(公告)日：2006-07-27

    申请号：US11388297

    申请日：2006-03-24

    申请人： Hiroyuki Nakamura ,  Keiji Onishi ,  Takashi Inoue

    发明人： Hiroyuki Nakamura ,  Keiji Onishi ,  Takashi Inoue

    IPC分类号： H03H9/72 ,  H03H9/64

    CPC分类号： H03H9/0038 ,  H03H9/0042 ,  H03H9/02574 ,  H03H9/02952

    摘要： A surface acoustic wave filter including a piezoelectric substrate, IDT electrodes which are formed on the piezoelectric substrate and are connected to balanced type terminals. Further, IDT electrodes are formed on the piezoelectric substrate and are connected to an unbalanced type terminal, connection electrodes of connecting the IDT electrodes, the IDT electrodes IDT electrodes to the balanced type terminals or the unbalanced type terminal, and a dielectric thin film formed between the piezoelectric substrate and the IDT electrodes, the IDT electrodes, the connection electrodes.

    摘要翻译： 一种表面声波滤波器，包括压电基片，形成在压电基片上并与平衡型端子连接的IDT电极。 此外，IDT电极形成在压电基板上，并且连接到不平衡型端子，将IDT电极，IDT电极IDT电极连接到平衡型端子或不平衡型端子的连接电极以及形成在 压电基板和IDT电极，IDT电极，连接电极。

    Band elimination filter, filter device, antenna duplexer and communication apparatus
    40.
    发明申请
    Band elimination filter, filter device, antenna duplexer and communication apparatus 失效
    带消除滤波器，滤波器装置，天线双工器和通信装置

    公开(公告)号：US20050099244A1

    公开(公告)日：2005-05-12

    申请号：US10657944

    申请日：2003-09-09

    申请人： Hiroyuki Nakamura ,  Shun-Ichi Seki ,  Keiji Onishi

    发明人： Hiroyuki Nakamura ,  Shun-Ichi Seki ,  Keiji Onishi

    IPC分类号： H03H3/02 ,  H03H9/02 ,  H03H9/05 ,  H03H9/56 ,  H03H9/60 ,  H03H9/64 ,  H03H9/72 ,  H04B1/44

    CPC分类号： H03H9/6409 ,  H03H9/02118 ,  H03H9/0542 ,  H03H9/0557 ,  H03H9/542 ,  H03H9/547 ,  H03H9/564 ,  H03H9/6483

    摘要： It has been difficult to provide a band elimination filter having characteristics of a high attenuation within a desired stop band and a low loss over wide frequency bands higher and lower than the stop band. A band elimination filter includes: a plurality of acoustic wave resonators as an acoustic resonator each having one end grounded; and a transmission line to which the other end of each of the plurality of acoustic wave resonators as an acoustic resonator is connected, in which at least some of the other ends are coupled to the transmission line at predetermined intervals, and at least one inductor is provided on transmission line in all or some of the predetermined intervals.

    摘要翻译： 难以提供一种具有在所需阻带内具有高衰减特性的带除滤波器，而在宽带频带上比低阻带更低的特性。 带除滤波器包括：作为声谐振器的多个声波谐振器，其一端接地; 连接作为声谐振器的多个声波谐振器中的每一个的另一端的传输线，其中至少一些另一端以预定间隔耦合到传输线，并且至少一个电感器是 以传输线全部或部分预定间隔设置。