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公开(公告)号:US20060244553A1
公开(公告)日:2006-11-02
申请号:US11413104
申请日:2006-04-28
申请人: Tsuyoshi Yokoyama , Tokihiro Nishihara , Shinji Taniguchi , Takeshi Sakashita , Jun Tsutsumi , Masafumi Iwaki , Masanori Ueda
发明人: Tsuyoshi Yokoyama , Tokihiro Nishihara , Shinji Taniguchi , Takeshi Sakashita , Jun Tsutsumi , Masafumi Iwaki , Masanori Ueda
IPC分类号: H03H9/56
CPC分类号: H03H9/173 , H03H3/04 , H03H9/132 , H03H9/174 , H03H2003/0428 , H03H2003/0457
摘要: A piezoelectric thin-film resonator includes a lower electrode provided on a substrate, a piezoelectric thin film provided on the lower electrode, and an upper electrode provided on the piezoelectric thin film. A membrane region is defined by a region where the upper electrode and the lower electrode overlap each other to sandwich the piezoelectric thin film therebetween and has an elliptical shape, and the lower electrode is also provided at an outer side of the membrane region in a region in which neither an extraction electrode of the upper electrode nor an extraction electrode of the lower electrode is provided.
摘要翻译: 压电薄膜谐振器包括设置在基板上的下电极,设置在下电极上的压电薄膜和设置在压电薄膜上的上电极。 膜区域由上电极和下电极彼此重叠的区域限定,以夹在其间的压电薄膜并具有椭圆形状,并且下电极也设置在膜区域的外侧,区域 其中不设置上电极的引出电极和下电极的引出电极。
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公开(公告)号:US20060091764A1
公开(公告)日:2006-05-04
申请号:US11259347
申请日:2005-10-27
申请人: Jun Tsutsumi , Tsuyoshi Yokoyama , Takeshi Sakashita , Shinji Taniguchi , Masafumi Iwaki , Tokihiro Nishihara , Masanori Ueda
发明人: Jun Tsutsumi , Tsuyoshi Yokoyama , Takeshi Sakashita , Shinji Taniguchi , Masafumi Iwaki , Tokihiro Nishihara , Masanori Ueda
IPC分类号: H01L41/08
CPC分类号: H03H9/02149 , H03H9/02118 , H03H9/132 , H03H9/174 , H03H2003/0428
摘要: A piezoelectric thin-film resonator includes: a substrate; a lower electrode that is formed on the substrate; a piezoelectric film that is formed on the lower electrode and the substrate; and an upper electrode that is formed on the piezoelectric film, with the piezoelectric film being partially interposed between the lower electrode and the upper electrode facing each other. In this piezoelectric thin-film resonator, at least a part of the outer periphery of the piezoelectric film interposed between the lower electrode and the upper electrode overlaps the outer periphery of the region formed by the upper electrode and the lower electrode facing each other.
摘要翻译: 压电薄膜谐振器包括:基板; 形成在基板上的下电极; 形成在下电极和基板上的压电膜; 以及形成在所述压电膜上的上电极,所述压电膜被部分插入在所述下电极和所述上电极彼此面对之间。 在该压电薄膜谐振器中,夹在下电极和上电极之间的压电薄膜的外周的至少一部分与由上电极和下电极相对的区域的外周重叠。
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公开(公告)号:US20070111674A1
公开(公告)日:2007-05-17
申请号:US11598570
申请日:2006-11-14
申请人: Yasuhide Iwamoto , Jun Tsutsumi , Masafumi Iwaki , Masanori Ueda
发明人: Yasuhide Iwamoto , Jun Tsutsumi , Masafumi Iwaki , Masanori Ueda
CPC分类号: H03H9/706 , H03H9/0571 , H03H9/0576 , H03H9/72 , H03H9/725
摘要: A duplexer includes a transmit filter of a ladder type filter, connected between a common terminal and a transmitting terminal, and a receive filter of the ladder type filter, connected between the common terminal and a receiving terminal. One or more parallel resonators in the transmit filter are grounded through a transmitting inductance, and a portion of multiple parallel resonators are grounded through a first receiving inductance and a remaining portion of the multiple parallel resonators are grounded through a second receiving inductance.
摘要翻译: 双工器包括连接在公共终端和发送终端之间的梯形滤波器的发射滤波器和连接在公共终端和接收终端之间的梯形滤波器的接收滤波器。 发射滤波器中的一个或多个并联谐振器通过发射电感接地,并且多个并联谐振器的一部分通过第一接收电感接地,多个并联谐振器的剩余部分通过第二接收电感接地。
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公开(公告)号:US07567023B2
公开(公告)日:2009-07-28
申请号:US11790806
申请日:2007-04-27
申请人: Masafumi Iwaki , Jun Tsutsumi , Tokihiro Nishihara , Tsuyoshi Yokoyama , Takeshi Sakashita , Shinji Taniguchi , Masanori Ueda , Go Endo
发明人: Masafumi Iwaki , Jun Tsutsumi , Tokihiro Nishihara , Tsuyoshi Yokoyama , Takeshi Sakashita , Shinji Taniguchi , Masanori Ueda , Go Endo
IPC分类号: H01L41/08
摘要: A piezoelectric thin-film resonator includes a substrate, a lower electrode provided on the substrate, a piezoelectric film provided on the lower electrode, and an upper electrode provided on the piezoelectric film so as to have a portion that overlaps the lower electrode across the piezoelectric film. At least a part of an outer end of the piezoelectric film is further in than an outer end of an opposing region in which the upper and lower electrodes overlap each other across the piezoelectric film.
摘要翻译: 压电薄膜谐振器包括基板,设置在基板上的下电极,设置在下电极上的压电薄膜和设置在压电薄膜上的上电极,以便具有与下电极重叠的部分跨越压电 电影。 压电薄膜的外端部的至少一部分进一步位于上下电极跨越压电薄膜的相对区域的外端。
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公开(公告)号:US07482738B2
公开(公告)日:2009-01-27
申请号:US11586731
申请日:2006-10-26
申请人: Shinji Taniguchi , Tsuyoshi Yokoyama , Motoaki Hara , Takeshi Sakashita , Jun Tsutsumi , Masafumi Iwaki , Tokihiro Nishihara , Masanori Ueda
发明人: Shinji Taniguchi , Tsuyoshi Yokoyama , Motoaki Hara , Takeshi Sakashita , Jun Tsutsumi , Masafumi Iwaki , Tokihiro Nishihara , Masanori Ueda
IPC分类号: H01L41/08
CPC分类号: H03H9/132 , H03H3/02 , H03H9/02133 , H03H9/173 , H03H9/568 , H03H2003/021
摘要: A piezoelectric thin-film resonator includes a lower electrode formed on a substrate to define a rounded dome-shaped cavity between the lower electrode and the substrate, a piezoelectric film provided on the lower electrode, and an upper electrode provided on the piezoelectric film. A membrane region is an overlapping region of the lower electrode and the upper electrode interposing the piezoelectric film and a projected area of the cavity onto the substrate includes the membrane region.
摘要翻译: 压电薄膜谐振器包括形成在基板上的下电极,以在下电极和基板之间限定圆顶形空腔,设置在下电极上的压电薄膜和设置在压电薄膜上的上电极。 膜区域是下电极的重叠区域,并且插入压电膜的上电极,并且空腔的投影面积包括膜区域。
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公开(公告)号:US07368859B2
公开(公告)日:2008-05-06
申请号:US11413104
申请日:2006-04-28
申请人: Tsuyoshi Yokoyama , Tokihiro Nishihara , Shinji Taniguchi , Takeshi Sakashita , Jun Tsutsumi , Masafumi Iwaki , Masanori Ueda
发明人: Tsuyoshi Yokoyama , Tokihiro Nishihara , Shinji Taniguchi , Takeshi Sakashita , Jun Tsutsumi , Masafumi Iwaki , Masanori Ueda
IPC分类号: H01L41/047
CPC分类号: H03H9/173 , H03H3/04 , H03H9/132 , H03H9/174 , H03H2003/0428 , H03H2003/0457
摘要: A piezoelectric thin-film resonator includes a lower electrode provided on a substrate, a piezoelectric thin film provided on the lower electrode, and an upper electrode provided on the piezoelectric thin film. A membrane region is defined by a region where the upper electrode and the lower electrode overlap each other to sandwich the piezoelectric thin film therebetween and has an elliptical shape, and the lower electrode is also provided at an outer side of the membrane region in a region in which neither an extraction electrode of the upper electrode nor an extraction electrode of the lower electrode is provided.
摘要翻译: 压电薄膜谐振器包括设置在基板上的下电极,设置在下电极上的压电薄膜和设置在压电薄膜上的上电极。 膜区域由上电极和下电极彼此重叠的区域限定,以夹在其间的压电薄膜并具有椭圆形状,并且下电极也设置在膜区域的外侧,区域 其中不设置上电极的引出电极和下电极的引出电极。
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公开(公告)号:US20070046395A1
公开(公告)日:2007-03-01
申请号:US11509812
申请日:2006-08-25
申请人: Jun Tsutsumi , Masafumi Iwaki , Yasuhide Iwamoto , Masanori Ueda
发明人: Jun Tsutsumi , Masafumi Iwaki , Yasuhide Iwamoto , Masanori Ueda
CPC分类号: H03H9/72 , H03H9/0571 , H03H9/0576 , H03H9/706 , H03H9/725
摘要: A duplexer includes a first filter connected to a common terminal, a second filter connected to the common terminal, an additional inductor connected between at least one of the first and second filters and ground, a matching-use inductor connected between the common terminal and the ground, and a capacitor connected between the common terminal and at least one of the first and second filters.
摘要翻译: 双工器包括连接到公共端子的第一滤波器,连接到公共端子的第二滤波器,连接在第一和第二滤波器中的至少一个和地之间的附加电感器,连接在公共端子和第二滤波器之间的匹配用电感器 接地,以及连接在公共端子与第一和第二滤波器中的至少一个之间的电容器。
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公开(公告)号:US08847700B2
公开(公告)日:2014-09-30
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:US20070279154A1
公开(公告)日:2007-12-06
申请号:US11806129
申请日:2007-05-30
申请人: Shinji Taniguchi , Tsuyoshi Yokoyama , Motoaki Hara , Takeshi Sakashita , Jun Tsutsumi , Masafumi Iwaki , Tokihiro Nishihara , Masanori Ueda , Hisanori Ehara
发明人: Shinji Taniguchi , Tsuyoshi Yokoyama , Motoaki Hara , Takeshi Sakashita , Jun Tsutsumi , Masafumi Iwaki , Tokihiro Nishihara , Masanori Ueda , Hisanori Ehara
CPC分类号: H03H9/605 , H03H3/02 , H03H9/02118 , H03H9/02141 , H03H9/132 , H03H9/173 , H03H9/174 , H03H2003/021
摘要: A filter includes multiple piezoelectric thin-film resonators each having a substrate, a lower electrode formed on the substrate, a piezoelectric film formed on the lower electrode, and an upper electrode provided on the piezoelectric film so that the upper electrode and the lower electrode face each other across the piezoelectric film. The multiple piezoelectric thin-film resonators include a first resonator in which at least a part of an outer curved portion of the piezoelectric film of the first resonator is located further out than an outer curved portion of a region in which the upper electrode and the lower electrode face each other across the piezoelectric film. The multiple piezoelectric thin-film resonators includes a second resonator in which at least a part of an outer curved portion of the piezoelectric film of the second resonator substantially coincides with an outer curved portion of a region in which the upper electrode and the lower electrode face each other across the piezoelectric film or is further in than the outer curved portion of the region.
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均具有基板,形成在基板上的下电极,形成在下电极上的压电薄膜和设置在压电薄膜上的上电极,使得上电极和下电极面 彼此横跨压电薄膜。 多个压电薄膜谐振器包括:第一谐振器,其中第一谐振器的压电膜的外弯曲部分的至少一部分位于比上电极和下电极的区域的外弯曲部分更远的位置 电极彼此面对压电薄膜。 多个压电薄膜谐振器包括第二谐振器,其中第二谐振器的压电膜的外部弯曲部分的至少一部分基本上与上电极和下电极面的区域的外弯曲部分重合 彼此隔着压电膜,或者比该区域的外部弯曲部分进一步。
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公开(公告)号:US07941103B2
公开(公告)日:2011-05-10
申请号:US11598570
申请日:2006-11-14
申请人: Yasuhide Iwamoto , Jun Tsutsumi , Masafumi Iwaki , Masanori Ueda
发明人: Yasuhide Iwamoto , Jun Tsutsumi , Masafumi Iwaki , Masanori Ueda
IPC分类号: H04B1/44
CPC分类号: H03H9/706 , H03H9/0571 , H03H9/0576 , H03H9/72 , H03H9/725
摘要: A duplexer includes a transmit filter of a ladder type filter, connected between a common terminal and a transmitting terminal, and a receive filter of the ladder type filter, connected between the common terminal and a receiving terminal. One or more parallel resonators in the transmit filter are grounded through a transmitting inductance, and a portion of multiple parallel resonators are grounded through a first receiving inductance and a remaining portion of the multiple parallel resonators are grounded through a second receiving inductance.
摘要翻译: 双工器包括连接在公共终端和发送终端之间的梯形滤波器的发射滤波器和连接在公共终端和接收终端之间的梯形滤波器的接收滤波器。 发射滤波器中的一个或多个并联谐振器通过发射电感接地,并且多个并联谐振器的一部分通过第一接收电感接地,多个并联谐振器的剩余部分通过第二接收电感接地。
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