公开(公告)号：US08736402B2

公开(公告)日：2014-05-27

申请号：US13045587

申请日：2011-03-11

申请人： Yuichi Takamine

发明人： Yuichi Takamine

IPC分类号： H03H9/64 ,  H03H9/145 ,  H03H9/02 ,  H03H9/00

CPC分类号： H03H9/14582 ,  H03H9/0071 ,  H03H9/02535 ,  H03H9/14535 ,  H03H9/6433

摘要： An elastic wave filter device having improved sharpness of filter characteristics includes a longitudinally-coupled resonator-type elastic wave filter section including first to third IDT electrodes each including a plurality of electrode fingers, and first and second reflectors. The first to third IDT electrodes include narrower-pitch portions provided in end portions thereof, which are each adjacent to another IDT electrode in a direction of propagation of elastic waves, each of the narrower-pitch portions having a smaller period of electrode fingers than a period of electrode fingers in the remaining portion of the relevant IDT electrode. The number of electrode fingers in the narrower-pitch portion of the second IDT electrode, which is disposed on the side closer to the first IDT electrode, and the number of electrode fingers in the narrower-pitch portion of the second IDT electrode, which is disposed on the side closer to the third IDT electrode, differ from each other.

摘要翻译： 具有提高的滤波器特性的清晰度的弹性波滤波器装置包括纵向耦合的谐振器型弹性波滤波器部分，其包括每个包括多个电极指的第一至第三IDT电极以及第一和第二反射器。 第一至第三IDT电极包括设置在其端部的窄节距部分，其在弹性波的传播方向上与另一IDT电极相邻，每个较窄的节距部分具有较小的电极指的周期 在相关IDT电极的剩余部分中的电极指的周期。 设置在靠近第一IDT电极的一侧的第二IDT电极的窄节距部分中的电极指的数量和第二IDT电极的窄节距部分中的电极指的数量 设置在更靠近第三IDT电极的一侧彼此不同。

公开(公告)号：US08305160B2

公开(公告)日：2012-11-06

申请号：US13327961

申请日：2011-12-16

申请人： Ayaka Yamamoto ,  Yuichi Takamine

发明人： Ayaka Yamamoto ,  Yuichi Takamine

IPC分类号： H03H9/72 ,  H03H9/64

CPC分类号： H03H9/725 ,  H03H9/0057 ,  H03H9/0085 ,  H03H9/02716 ,  H03H9/02992 ,  H03H9/14573 ,  H03H9/6483

摘要： An elastic wave device includes an unbalanced terminal and first and second balanced terminals. A longitudinally-coupled-resonator-type first elastic wave filter is provided between the unbalanced terminal and the first balanced terminal. An elastic wave filter, which is connected in parallel with the first elastic wave filter, is connected between the unbalanced terminal and the second balanced terminal. The current paths through which IDT electrodes of the elastic wave filters of the elastic wave device are connected to ground terminals, are not symmetrical.

摘要翻译： 弹性波装置包括不平衡端子和第一和第二平衡端子。 在不平衡端子和第一平衡端子之间设置纵向耦合谐振器型第一弹性波滤波器。 与第一弹性波滤波器并联连接的弹性波滤波器连接在不平衡端子和第二平衡端子之间。 弹性波装置的弹性波滤波器的IDT电极与接地端子连接的电流路径不对称。

公开(公告)号：US20120086520A1

公开(公告)日：2012-04-12

申请号：US13327961

申请日：2011-12-16

申请人： Ayaka YAMAMOTO ,  Yuichi TAKAMINE

发明人： Ayaka YAMAMOTO ,  Yuichi TAKAMINE

IPC分类号： H03H9/72 ,  H03H9/64

CPC分类号： H03H9/725 ,  H03H9/0057 ,  H03H9/0085 ,  H03H9/02716 ,  H03H9/02992 ,  H03H9/14573 ,  H03H9/6483

摘要： An elastic wave device includes an unbalanced terminal and first and second balanced terminals. A longitudinally-coupled-resonator-type first elastic wave filter is provided between the unbalanced terminal and the first balanced terminal. An elastic wave filter, which is connected in parallel with the first elastic wave filter, is connected between the unbalanced terminal and the second balanced terminal. The current paths through which IDT electrodes of the elastic wave filter and the elastic wave filter are connected to ground terminals, are not symmetrical.

摘要翻译： 弹性波装置包括不平衡端子以及第一和第二平衡端子。 在不平衡端子和第一平衡端子之间设置纵向耦合谐振器型第一弹性波滤波器。 与第一弹性波滤波器并联连接的弹性波滤波器连接在不平衡端子和第二平衡端子之间。 弹性波滤波器的IDT电极和弹性波滤波器连接到接地端子的电流路径不对称。

公开(公告)号：US20120068788A1

公开(公告)日：2012-03-22

申请号：US13306018

申请日：2011-11-29

申请人： Ayaka YAMAMOTO ,  Yuichi TAKAMINE

发明人： Ayaka YAMAMOTO ,  Yuichi TAKAMINE

IPC分类号： H03H9/02 ,  H03H7/42

CPC分类号： H03H9/0061 ,  H03H9/0057 ,  H03H9/725

摘要： An elastic wave apparatus includes a balanced-unbalanced transforming function, and an elastic wave filter and a multilayer wiring board on which the elastic wave filter is mounted. The elastic wave filter includes an unbalanced terminal and first and second balanced terminals. External electrodes used are provided on the multilayer wiring board. A first internal line connects the first balanced terminal and the external electrode. A second internal line connects the second balanced terminal and the external electrode. The lengths or shapes of the first internal line and the second internal line are set so that a capacitance used for the improvement of a balance is generated in an adjacent area A where the first internal line and the second internal line are adjacent to each other. In the adjacent area A, the directions of currents passing through the first internal line and the second internal line are the same.

摘要翻译： 弹性波装置包括平衡不平衡变换功能，弹性波滤波器和安装弹性波滤波器的多层布线板。 弹性波滤波器包括不平衡端子和第一和第二平衡端子。 使用的外部电极设置在多层布线板上。 第一内部线路连接第一平衡端子和外部电极。 第二内部线路连接第二平衡端子和外部电极。 第一内部线路和第二内部线路的长度或形状被设定为在第一内部线路和第二内部线路彼此相邻的相邻区域A中产生用于改善平衡的电容。 在相邻区域A中，通过第一内部线路和第二内部线路的电流的方向相同。

公开(公告)号：US07876176B2

公开(公告)日：2011-01-25

申请号：US12336563

申请日：2008-12-17

申请人： Yuichi Takamine

发明人： Yuichi Takamine

IPC分类号： H03H9/72 ,  H03H9/64

CPC分类号： H03H9/008 ,  H03H9/0071 ,  H03H9/0085 ,  H03H9/02748 ,  H03H9/725

摘要： An acoustic wave filter device includes first to fourth longitudinally coupled resonator type surface acoustic wave filters that are configured such that the first and second filters are connected to a first balanced signal terminal, the third and fourth filters are connected to a second balanced signal terminal, and a transmission phase of a signal output from the first balanced signal terminal relative to an input signal differs by about 180 degrees with respect to a transmission phase of a signal output from the second balanced signal terminal relative to an input signal. In addition, the number of pairs of electrode fingers of at least one of IDTs of at least one of the first to fourth longitudinally coupled resonator type surface acoustic wave filters is different from the number of pairs of electrode fingers of corresponding IDTs of the remaining first to fourth filters.

摘要翻译： 声波滤波器装置包括第一至第四纵向耦合的谐振器型表面声波滤波器，其被配置为使得第一和第二滤波器连接到第一平衡信号端子，第三和第四滤波器连接到第二平衡信号端子， 相对于从第二平衡信号端子相对于输入信号输出的信号的发送相位，相对于输入信号从第一平衡信号端子输出的信号的发送相位相差大约180度。 此外，第一至第四纵向耦合的谐振器型表面声波滤波器中的至少一个的至少一个IDT的电极指的对数与剩余的第一至第四纵向耦合谐振器型表面声波滤波器的相应IDT的电极指的对数不同 到第四个过滤器。

公开(公告)号：US20100277035A1

公开(公告)日：2010-11-04

申请号：US12836595

申请日：2010-07-15

申请人： Hayami KUDO ,  Yuichi TAKAMINE ,  Katsuhiro IKADA

发明人： Hayami KUDO ,  Yuichi TAKAMINE ,  Katsuhiro IKADA

IPC分类号： H01L41/053 ,  H01L41/047

CPC分类号： H03H9/1092 ,  H01L2224/05001 ,  H01L2224/05022 ,  H01L2224/05644 ,  H01L2224/05655 ,  H01L2224/13 ,  H03H9/059 ,  H01L2924/00014

摘要： A piezoelectric device includes a piezoelectric substrate, a conductive pattern which is provided on one main surface of the piezoelectric substrate and which includes an IDT electrode, a supporting layer which is arranged on the one main surface of the piezoelectric substrate so as to surround the periphery of an IDT-forming region in which the IDT electrode is provided and which has a thickness greater than that of the IDT electrode, and a cover layer which is arranged on the supporting layer and which covers the IDT-forming region. The supporting layer includes removed sections provided at a plurality of positions at least in a region close to the IDT-forming region, the removed sections being obtained by partially removing a portion of the supporting layer to be bonded to the one main surface of the piezoelectric substrate.

摘要翻译： 一种压电装置，包括压电基板，设置在压电基板的一个主表面上并具有IDT电极的导电图案，支撑层布置在压电基板的一个主表面上以围绕周边 的IDT形成区域，其中设置有IDT电极并且其厚度大于IDT电极的厚度;以及覆盖层，其被布置在支撑层上并覆盖IDT形成区域。 支撑层包括设置在至少在靠近IDT形成区域的区域中的多个位置处的去除部分，所述去除部分通过部分地去除要结合到压电体的一个主表面的支撑层的一部分而获得 基质。

公开(公告)号：US20090002097A1

公开(公告)日：2009-01-01

申请号：US12210238

申请日：2008-09-15

申请人： Yuichi TAKAMINE

发明人： Yuichi TAKAMINE

IPC分类号： H03H9/72

CPC分类号： H03H9/14591 ,  H03H9/0057 ,  H03H9/0071 ,  H03H9/0085 ,  H03H9/14588 ,  H03H9/725

摘要： A duplexer includes a transmission filter having a ladder circuit configuration and a reception filter. The reception filter includes an input terminal connected to an antenna terminal, a first reception output terminal, and a second reception output terminal. A first filter element and a second filter element, each of which is a longitudinally coupled resonator filter element including a plurality of IDTs, are connected in parallel to the input terminal so that IDTs are connected to the input terminal. The first filter element the second filter element are connected to the first reception output terminal and the second reception output terminal, respectively.

摘要翻译： 双工器包括具有梯形电路配置和接收滤波器的发送滤波器。 接收滤波器包括连接到天线端子的输入端子，第一接收输出端子和第二接收输出端子。 第一滤波器元件和第二滤波器元件，每个滤波器元件是包括多个IDT的纵向耦合谐振器滤波器元件，并联连接到输入端子，使得IDT连接到输入端子。 第一滤波元件分别与第一接收输出端子和第二接收输出端子连接。

公开(公告)号：US20070236308A1

公开(公告)日：2007-10-11

申请号：US11763906

申请日：2007-06-15

申请人： Yuichi TAKAMINE

发明人： Yuichi TAKAMINE

IPC分类号： H03H9/72 ,  H03H9/64

CPC分类号： H03H9/14526 ,  H03H9/0071 ,  H03H9/0085 ,  H03H9/02748 ,  H03H9/14532 ,  H03H9/14576 ,  H03H9/14582 ,  H03H9/14585 ,  H03H9/6476 ,  H03H9/725

摘要： In an acoustic wave filter device, first and second longitudinally coupled resonator SAW filters are provided on a piezoelectric substrate. The first and second longitudinally coupled resonator SAW filters are connected in parallel to each other. The first and second longitudinally coupled resonator SAW filters are withdrawal-weighted. The withdrawal weighting in at least the longitudinally coupled resonator SAW filter is different from the withdrawal weighting in the other longitudinally coupled resonator SAW filter.

摘要翻译： 在声波滤波器装置中，第一和第二纵向耦合谐振器SAW滤波器设置在压电基片上。 第一和第二纵向耦合谐振器SAW滤波器彼此并联连接。 第一和第二纵向耦合的谐振器SAW滤波器是退出加权的。 至少纵向耦合的谐振器SAW滤波器中的提取加权与其它纵向耦合的谐振器SAW滤波器中的撤销加权不同。

公开(公告)号：US20070018756A1

公开(公告)日：2007-01-25

申请号：US10568114

申请日：2005-07-12

申请人： Yasuhisa Fujii ,  Yuichi Takamine

发明人： Yasuhisa Fujii ,  Yuichi Takamine

IPC分类号： H03H9/64

CPC分类号： H03H9/0057 ,  H03H9/0061 ,  H03H9/0071 ,  H03H9/0085 ,  H03H9/14588

摘要： A surface acoustic wave device includes a substrate, a plurality of terminals including at least an unbalanced terminal and balanced terminals, and at least one of surface acoustic wave element disposed between the unbalanced terminal and the two balanced terminals. Different signal lines connected to the same surface acoustic wave element intersect through insulating films.

摘要翻译： 表面声波装置包括基板，至少包括不平衡端子和平衡端子的多个端子以及设置在不平衡端子和两个平衡端子之间的表面声波元件中的至少一个。 连接到同一声表面波元件的不同信号线通过绝缘膜相交。

公开(公告)号：US20050212621A1

公开(公告)日：2005-09-29

申请号：US10521776

申请日：2004-08-19

申请人： Yuichi Takamine

发明人： Yuichi Takamine

IPC分类号： H03H9/00 ,  H03H9/145 ,  H03H9/64

CPC分类号： H03H9/14582 ,  H03H9/0038 ,  H03H9/0057 ,  H03H9/008 ,  H03H9/14588

摘要： In a longitudinally-coupled-resonator surface acoustic wave filter unit having a first interdigital transducer, a central interdigital transducer, a second interdigital transducer, and first and second reflectors arranged such that the interdigital transducers are provided therebetween, for one comb electrode of the central interdigital transducer, first and second comb electrodes, which are substantially symmetrically bisected along a surface-acoustic-wave propagation direction, are provided. Between the first and second comb electrodes, a design parameter of at least one of the interdigital transducers, and the reflectors is set to be different from one another.

摘要翻译： 在具有第一叉指换能器，中央叉指式换能器，第二叉指式换能器以及第一和第二反射器的纵向耦合谐振器表面声波滤波器单元中，所述第一和第二反射器布置成使得叉指换能器设置在其间，用于中心的一个梳电极 提供了沿着表面声波传播方向基本对称地平分的叉指式换能器，第一和第二梳状电极。 在第一梳状电极和第二梳状电极之间，交叉指型传感器和反射器中的至少一个的设计参数被设定为彼此不同。