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1. 发明申请

US20090133237A1 PIEZOELECTRIC DEVICE AND METHOD OF MANUFACTURING PIEZOELECTRIC RESONATORS 审中-公开
标题翻译：压电元件及制造压电谐振器的方法
公开(公告)号：US20090133237A1
公开(公告)日：2009-05-28
申请号：US12338189
申请日：2008-12-18
申请人： Keiji ONISHI , Hiroshi Nakatsuka , Takehiko Yamakawa , Tomohiro Iwasaki , Tomohide Kamiyama
发明人： Keiji ONISHI , Hiroshi Nakatsuka , Takehiko Yamakawa , Tomohiro Iwasaki , Tomohide Kamiyama
IPC分类号： H01L41/24
CPC分类号： H03H9/132 , H03H3/02 , H03H9/0514 , H03H9/13 , H03H9/172 , H03H9/175 , H03H2003/025 , Y10T29/42
摘要： A piezoelectric resonator comprises a piezoelectric material layer 101, a first electrode 102 formed on one major surface of the piezoelectric material layer 101, and having a cross-section in the shape of a trapezoid whose longer side contacts the piezoelectric material layer 101, and a second electrode 103 formed on the other major surface of the piezoelectric material layer 101, and having a cross-section in the shape of a trapezoid whose longer side contacts the piezoelectric material layer 101.
摘要翻译：压电谐振器包括压电材料层101，形成在压电材料层101的一个主表面上的第一电极102，并且具有长边接触压电材料层101的梯形形状的横截面，以及第二电极103形成在压电材料层101的另一个主表面上，并且具有长边与压电材料层101接触的梯形形状的横截面。

2. 发明申请

US20080180193A1 DUAL MODE PIEZOELECTRIC FILTER, METHOD OF MANUFACTURING THE SAME, HIGH FREQUENCY CIRCUIT COMPONENT AND COMMUNICATION DEVICE USING THE SAME 有权
标题翻译：双模式压电过滤器，其制造方法，高频电路组件和使用其的通信设备
公开(公告)号：US20080180193A1
公开(公告)日：2008-07-31
申请号：US12019330
申请日：2008-01-24
申请人： Tomohiro IWASAKI , Hiroshi NAKATSUKA , Keiji ONISHI , Takehiko YAMAKAWA , Tomohide KAMIYAMA
发明人： Tomohiro IWASAKI , Hiroshi NAKATSUKA , Keiji ONISHI , Takehiko YAMAKAWA , Tomohide KAMIYAMA
IPC分类号： H03H9/54 , H01L41/22
CPC分类号： H03H9/564 , H03H3/04 , H03H9/0207 , H03H2003/0428 , Y10T29/42
摘要： A dual mode piezoelectric filter includes a piezoelectric material layer composed of a piezoelectric thin film of the high-cut type formed on a substrate, a first electrode and a second electrode formed on one of the major surfaces of the piezoelectric material layer with a gap provided therebetween, a third electrode formed on the other major surface of the piezoelectric material layer opposite to the first electrode, the second electrode, and the gap, and an interelectrode mass load element formed in the gap or at a position opposite to the gap on a surface of the piezoelectric material layer. The relationships (p1×h1)≦(pa×ha) and (p2×h2)≦(pa×ha) are satisfied, where h1 is the thickness and p1 is the density of the first electrode, h2 is the thickness and p2 is the density of the second electrode, and ha is the thickness and pa is the density of the interelectrode mass load element. A filter characteristic with a smooth passband and low losses is obtained.
摘要翻译：双模式压电滤波器包括由形成在基板上的高切割类型的压电薄膜构成的压电材料层，第一电极和形成在压电材料层的一个主表面上的间隔设置的第二电极其间形成在压电材料层的与第一电极，第二电极和间隙相反的另一个主表面上的第三电极，以及形成在间隙中或与间隙相对的位置处的电极间质量负载元件压电材料层的表面。满足关系式（p 1x h1）<=（paxha）和（p 2x h2）<=（paxha），其中h 1是厚度，p 1是第一电极的密度，h 2是厚度和p 2是第二电极的密度，ha是厚度，pa是电极间质量负载元件的密度。获得具有平滑通带和低损耗的滤波器特性。

3. 发明申请

US20080051039A1 FILM BULKACOUSTIC WAVE RESONATOR AND METHOD FOR MANUFACTURING THE SAME 失效
标题翻译：电影波纹波谐振器及其制造方法
公开(公告)号：US20080051039A1
公开(公告)日：2008-02-28
申请号：US11844809
申请日：2007-08-24
申请人： Tomohiro IWASAKI , Keiji ONISHI , Hiroshi NAKATSUKA , Takehiko YAMAKAWA , Tomohide KAMIYAMA
发明人： Tomohiro IWASAKI , Keiji ONISHI , Hiroshi NAKATSUKA , Takehiko YAMAKAWA , Tomohide KAMIYAMA
IPC分类号： H04B1/38 , H03H9/00
CPC分类号： H03H9/177 , H03H9/173 , H03H9/174 , H03H9/175 , H03H9/564 , H03H9/605
摘要： A film bulk acoustic wave resonator including a piezoelectric body 1, and a first electrode 2 and a second electrode 3 that are provided respectively on the main surfaces of the piezoelectric body, the piezoelectric body being applied an electric field through the first and the second electrodes so as to generate a resonant vibration. A first mass load material portion 4 having an annular shape is provided outside the planar region of the first electrode on the main surface of the piezoelectric body, a mass load effect thereof being larger than that of the first electrode. The outer periphery of the first electrode and the inner periphery of the first mass load material portion are spaced apart from each other, whereby the first electrode and the first mass load material portion are electrically insulated from each other. The first mass load material portion has a laminated structure including a first auxiliary electrode layer 2a and a load material layer 4a formed on the auxiliary electrode layer. The first auxiliary electrode is formed with the same material to have the same thickness as the first electrode. Energy loss can be reduced, while the first mass load material portion can be formed easily with high precision.
摘要翻译：一种包括分别设置在压电体的主表面上的压电体1和第一电极2和第二电极3的薄膜体声波谐振器，压电体通过第一和第二电极施加电场以产生共振振动。具有环状的第一质量负荷材料部分4设置在压电体的主表面上的第一电极的平面区域的外侧，其质量负载效应大于第一电极的质量负载效应。第一电极的外周和第一质量负载材料部的内周彼此间隔开，由此第一电极和第一质量负载材料部彼此电绝缘。第一质量负载材料部分具有包括形成在辅助电极层上的第一辅助电极层2a和负载材料层4a的叠层结构。第一辅助电极由相同的材料形成，以具有与第一电极相同的厚度。能够容易地以高精度形成第一质量负荷材料部，能够减少能量损失。

4. 发明申请

US20090002096A1 ANTENNA DUPLEXER, AND RF MODULE AND COMMUNICATION APPARATUS USING THE SAME 有权
标题翻译：天线双工器，以及RF模块和通信设备
公开(公告)号：US20090002096A1
公开(公告)日：2009-01-01
申请号：US12185342
申请日：2008-08-04
申请人： Hiroyuki NAKAMURA , Keiji ONISHI , Tomohiro IWASAKI
发明人： Hiroyuki NAKAMURA , Keiji ONISHI , Tomohiro IWASAKI
IPC分类号： H03H9/72
CPC分类号： H03H9/706 , H03H9/0038 , H03H9/0042 , H03H9/0576 , H03H9/14588 , H03H9/72 , H03H9/725
摘要： One of plurality of transmission terminals connected to a transmission filter and a receiving terminal connected to a receiving filter is a balanced type terminal, and another is an unbalanced type terminal. The transmission filter and the receiving filter includes surface acoustic wave resonators or film bulk acoustic resonators. The balanced type terminal is connected to a longitudinal mode coupled surface acoustic wave filter.
摘要翻译：连接到发送滤波器的多个发送终端中的一个和连接到接收滤波器的接收终端是平衡型终端，另一个是不平衡型终端。传输滤波器和接收滤波器包括表面声波谐振器或薄膜体声共振器。平衡型端子连接到纵模耦合表面声波滤波器。

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