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1. 发明申请

US20130187730A1 ACOUSTIC WAVE DEVICE AND FABRICATION METHOD OF THE SAME 有权
标题翻译：声波设备及其制造方法
公开(公告)号：US20130187730A1
公开(公告)日：2013-07-25
申请号：US13715037
申请日：2012-12-14
申请人： Taiyo Yuden Co., Ltd.
发明人： Toshio NISHIZAWA , Yasuyuki SAITO
IPC分类号： H03H9/64 , H03H9/54
CPC分类号： H03H9/02952 , H01L2224/16225 , H01L2924/181 , H01L2924/19105 , H03H3/08 , H03H9/0028 , H03H9/0542 , H03H9/059 , H03H9/1078 , H03H9/1092 , H03H9/54 , H03H9/547 , H03H9/568 , H03H9/64 , H03H9/6489 , Y10T29/42 , Y10T29/49169 , Y10T29/49171 , H01L2924/00012
摘要： An acoustic wave device includes: a substrate; an input terminal that is located on a first surface of the substrate, and to which a high-frequency signal is input; a resonator that is connected to the input terminal, and to which a high-frequency signal input to the input terminal is input; and an insulating layer that is located between the input terminal and the substrate, and has a permittivity smaller than that of the substrate.
摘要翻译：声波装置包括：基板; 输入端子，其位于所述基板的第一表面上，并且输入高频信号; 连接到输入端子并输入到输入端子的高频信号的谐振器; 以及绝缘层，其位于输入端子和衬底之间，并且具有比衬底的介电常数小的介电常数。

2. 发明申请

US20220368307A1 ACOUSTIC WAVE DEVICE, FILTER, AND MULTIPLEXER 有权
公开(公告)号：US20220368307A1
公开(公告)日：2022-11-17
申请号：US17724346
申请日：2022-04-19
申请人： TAIYO YUDEN CO., LTD.
发明人： Koichi SATO , Shinji YAMAMOTO , Toshio NISHIZAWA , Ryohei KOMIYAMA
IPC分类号： H03H9/13 , H03H9/17 , H03H9/70
摘要： An acoustic wave device includes a piezoelectric layer, a pair of comb-shaped electrodes disposed on a first surface of the piezoelectric layer, each of the pair of comb-shaped electrodes including electrode fingers that excite an acoustic wave, a support substrate disposed at a second surface side of the piezoelectric layer, and having protruding portions and/or recessed portions on a first surface, which is closer to the piezoelectric layer, of the support substrate, each of the protruding portions and/or the recessed portions having a shape in which each of left and right side surfaces has linear slopes inclined at different angles with respect to the first surface of the piezoelectric layer in a cross-sectional view, and a second insulating layer located between the piezoelectric layer and the support substrate and disposed on the third surface, on which the protruding portions and/or the recessed portions are formed, of the support substrate.

3. 发明申请

US20130328639A1 FILTER AND DUPLEXER 有权
标题翻译：过滤器和双面器
公开(公告)号：US20130328639A1
公开(公告)日：2013-12-12
申请号：US13909868
申请日：2013-06-04
申请人： TAIYO YUDEN CO., LTD.
发明人： Naoya YABUUCHI , Toshio NISHIZAWA , Hikaru SHIMOMURA
IPC分类号： H03H9/72 , H03H9/64
CPC分类号： H03H9/0004 , H03H9/0023 , H03H9/46 , H03H9/70 , H03H9/725
摘要： A filter includes: a filter circuit connected between a first terminal and a second terminal; and a matching circuit connected between the filter circuit and the second terminal, wherein an impedance viewed from the second terminal toward the matching circuit is less than an impedance viewed from a node between the filter circuit and the matching circuit toward the filter circuit.
摘要翻译：滤波器包括：连接在第一端子和第二端子之间的滤波器电路; 以及连接在滤波器电路和第二端子之间的匹配电路，其中从第二端子朝向匹配电路观察的阻抗小于从滤波器电路和匹配电路之间的节点朝向滤波器电路观察的阻抗。

4. 发明申请

US20210399709A1 ACOUSTIC WAVE DEVICE, FILTER, AND MULTIPLEXER 有权
公开(公告)号：US20210399709A1
公开(公告)日：2021-12-23
申请号：US17323598
申请日：2021-05-18
申请人： TAIYO YUDEN CO., LTD.
发明人： Shinji YAMAMOTO , Toshio NISHIZAWA , Naoki KAKITA
IPC分类号： H03H9/02 , H03H9/05 , H03H9/17 , H03H9/13 , H03H9/54
摘要： An acoustic wave device including a support substrate, a piezoelectric layer provided over the support substrate, at least one pair of comb-shaped electrodes disposed on the piezoelectric layer, each of the at least one pair of comb-shaped electrodes including electrode fingers, a temperature compensation film interposed between the support substrate and the piezoelectric layer, the temperature compensation film having a temperature coefficient of elastic constant opposite in sign to a temperature coefficient of elastic constant of the piezoelectric layer; and an insulating layer interposed between the support substrate and the temperature compensation film, a first surface of the insulating layer having first protruding portions and/or first recessed portions, a second surface of the insulating layer having second protruding portions and/or second recessed portions, the first surface being closer to the support substrate, the second surface being closer to the temperature compensation film.

5. 发明申请

US20210288628A1 ACOUSTIC WAVE DEVICE, FILTER, AND MULTIPLEXER 有权
公开(公告)号：US20210288628A1
公开(公告)日：2021-09-16
申请号：US17184910
申请日：2021-02-25
申请人： TAIYO YUDEN CO., LTD.
发明人： Takuya NISHIMURA , Toshiharu NAKAZATO , Toshio NISHIZAWA , Naoki TAKAHASHI
IPC分类号： H03H9/02 , H03H9/145 , H03H9/64
摘要： An acoustic wave device includes a support substrate, a piezoelectric layer located over the support substrate, a pair of comb-shaped electrodes disposed on the piezoelectric layer and including electrode fingers exciting an acoustic wave, a temperature compensation film interposed between the support substrate and the piezoelectric layer, having a thickness equal to or less than 2 times an average pitch of the electrode fingers, and having a temperature coefficient of elastic constant opposite in sign to that of the piezoelectric layer, and a boundary layer interposed between the support substrate and the temperature compensation film and having a thickness equal to or greater than 2.2 times the average pitch, an acoustic velocity of a lateral wave propagating through the boundary layer being less than that of a lateral wave propagating through the support substrate and greater than that of a lateral wave propagating through the temperature compensation film.

6. 发明申请

US20170054431A1 ACOUSTIC WAVE FILTER, DUPLEXER, AND MODULE 审中-公开
标题翻译：声波滤波器，双工器和模块
公开(公告)号：US20170054431A1
公开(公告)日：2017-02-23
申请号：US15236109
申请日：2016-08-12
申请人： TAIYO YUDEN CO., LTD.
发明人： Hikaru SHIMOMURA , Toshio NISHIZAWA
IPC分类号： H03H9/70 , H03H9/54 , H03H9/58
CPC分类号： H03H9/706 , H03H9/564 , H03H9/568 , H03H9/582 , H03H9/605
摘要： An acoustic wave filter includes: one or more series resonators connected in series between an input terminal and an output terminal; and parallel resonators connected in parallel between the input terminal and the output terminal and formed of piezoelectric thin film resonators, wherein each of at least two resonators of the parallel resonators includes an additional film having island-shaped patterns or aperture patterns formed at equal pitch intervals in a resonance region in which a lower electrode and an upper electrode face each other across a piezoelectric film, and a pitch interval of the island-shaped patterns or the aperture patterns in the additional film included in one of the at least two resonators differs from a pitch interval of the island-shaped patterns or the aperture patterns in the additional film included in another one of the at least two resonators.
摘要翻译：声波滤波器包括：串联连接在输入端子和输出端子之间的一个或多个串联谐振器; 以及在输入端子和输出端子之间并联连接并由压电薄膜谐振器形成的并联谐振器，其中并联谐振器的至少两个谐振器中的每一个包括具有以等间距间隔形成的岛状图案或孔径图案的附加膜在其中下电极和上电极在压电膜上彼此面对的谐振区域中，并且包括在至少两个谐振器之一中的附加膜中的岛状图案或孔径图案的间距间隔不同于所述岛状图案的间距间隔或包括在所述至少两个谐振器中的另一个中的附加膜中的孔径图案。

7. 发明申请

US20130147577A1 FILTER AND DUPLEXER 有权
标题翻译：过滤器和双面器
公开(公告)号：US20130147577A1
公开(公告)日：2013-06-13
申请号：US13666524
申请日：2012-11-01
申请人： Taiyo Yuden Co., LTD.
发明人： Tokihiro NISHIHARA , Shinji TANIGUCHI , Toshio NISHIZAWA
IPC分类号： H03H9/70 , H03H9/54
CPC分类号： H03H9/132 , H03H9/173 , H03H9/174 , H03H9/175 , H03H9/54 , H03H9/605 , H03H9/706 , H03H2003/0471
摘要： A filter includes: a plurality of piezoelectric thin film resonators, each having a multilayered film including a lower electrode located on a substrate, a piezoelectric film located on the lower electrode, and an upper electrode located on the piezoelectric film so as to face the lower electrode, wherein at least two piezoelectric thin film resonators have thick film portions, in each of which the multilayered film is thicker in at least a part of an outer peripheral portion than in an inner portion of a resonance region in which the lower electrode and the upper electrode face each other across the piezoelectric film, and lengths of the thick film portions from edges of the resonance regions are different from each other in the at least two piezoelectric thin film resonators.
摘要翻译：滤波器包括：多个压电薄膜谐振器，每个压电薄膜谐振器具有包括位于基板上的下电极的多层膜，位于下电极上的压电薄膜和位于压电薄膜上的上电极，电极，其中至少两个压电薄膜谐振器具有厚膜部分，其中多层膜在外周部分的至少一部分中比在下电极和谐振区域的共振区域的内部部分中更厚上电极彼此面对压电膜，并且在至少两个压电薄膜谐振器中，来自谐振区域边缘的厚膜部分的长度彼此不同。

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