-
31.发明授权Frequency-variable acoustic thin film resonator, filter and communication apparatus using the same 失效变频声波薄膜谐振器，滤波器及使用其的通信装置公开(公告)号：US07986198B2
公开(公告)日：2011-07-26
申请号：US12375313
申请日：2007-08-01
摘要： An acoustic thin film resonator including: a first piezoelectric thin film 101; a pair of primary electrodes 103 and 104 for applying an electric signal, which are formed on the first piezoelectric thin film; a second piezoelectric thin film 102 that is disposed so that an oscillation generated in the first piezoelectric thin film propagates to the second piezoelectric thin film; a pair of secondary electrodes 104 and 105 for outputting an electric signal, which are formed on the second piezoelectric thin film; a load 108 that is connected between the secondary electrodes; and a control portion 109 that controls a value of the load. Thereby, an acoustic thin film resonator element is formed so that an electric signal inputted from the primary electrodes is outputted from the secondary electrodes by a piezoelectric effect, and a resonant frequency and an antiresonant frequency are made variable through the control of the value of the load. A resonant frequency and an antiresonant frequency are made variable at the same time without resonant characteristics being deteriorated.
摘要翻译： 一种声学薄膜谐振器，包括：第一压电薄膜101; 形成在第一压电薄膜上的用于施加电信号的一对主电极103和104; 第二压电薄膜102被布置成使得在第一压电薄膜中产生的振荡传播到第二压电薄膜; 一对二次电极104和105，用于输出形成在第二压电薄膜上的电信号; 连接在次级电极之间的负载108; 以及控制负载值的控制部109。 由此，形成声学薄膜谐振器元件，使得从主电极输入的电信号通过压电效应从次级电极输出，并且通过控制第二电极的值，使谐振频率和反谐振频率变得可变 加载。 使共振频率和反谐振频率同时变化，而谐振特性不变。
-
32.发明授权Piezoelectric resonator, piezoelectric filter, and duplexer and communication device using the same 失效压电谐振器，压电滤波器和双工器以及使用其的通信装置公开(公告)号：US07675389B2
公开(公告)日：2010-03-09
申请号：US11916792
申请日：2006-06-22
CPC分类号： H03H9/588 , H03H3/04 , H03H9/605 , H03H2003/0471
摘要： Three or more piezoelectric resonators having resonance frequencies different from one another are realized on the same substrate. First through third frequency adjustment layers of first through third piezoelectric resonators, respectively, provided on the same substrate 101 are formed by varying, among the frequency adjustment layers, the ratio of area (depressions 109 and 110) to be etched to area not to be etched.
摘要翻译： 在相同的基板上实现具有彼此不同的谐振频率的三个或更多个压电谐振器。 分别设置在同一基板101上的第一至第三压电谐振器的第三至第三频率调节层通过在频率调整层之间改变要蚀刻的面积（凹陷109和110）与不被蚀刻的区域的比率 蚀刻。
-
33.发明申请公开(公告)号：US20090273416A1
公开(公告)日：2009-11-05
申请号：US12375313
申请日：2007-08-01
IPC分类号： H03H9/15
摘要： An acoustic thin film resonator including: a first piezoelectric thin film 101; a pair of primary electrodes 103 and 104 for applying an electric signal, which are formed on the first piezoelectric thin film; a second piezoelectric thin film 102 that is disposed so that an oscillation generated in the first piezoelectric thin film propagates to the second piezoelectric thin film; a pair of secondary electrodes 104 and 105 for outputting an electric signal, which are formed on the second piezoelectric thin film; a load 108 that is connected between the secondary electrodes; and a control portion 109 that controls a value of the load. Thereby, an acoustic thin film resonator element is formed so that an electric signal inputted from the primary electrodes is outputted from the secondary electrodes by a piezoelectric effect, and a resonant frequency and an antiresonant frequency are made variable through the control of the value of the load. A resonant frequency and an antiresonant frequency are made variable at the same time without resonant characteristics being deteriorated.
摘要翻译： 一种声学薄膜谐振器，包括：第一压电薄膜101; 形成在第一压电薄膜上的用于施加电信号的一对主电极103和104; 第二压电薄膜102被布置成使得在第一压电薄膜中产生的振荡传播到第二压电薄膜; 一对二次电极104和105，用于输出形成在第二压电薄膜上的电信号; 连接在次级电极之间的负载108; 以及控制负载值的控制部109。 由此，形成声学薄膜谐振器元件，使得从主电极输入的电信号通过压电效应从次级电极输出，并且通过控制第二电极的值，使谐振频率和反谐振频率变得可变 加载。 使共振频率和反谐振频率同时变化，而谐振特性不变。
-
公开(公告)号：US20070093229A1
公开(公告)日：2007-04-26
申请号：US11580848
申请日：2006-10-16
CPC分类号： H01L25/16 , H01L23/66 , H01L24/48 , H01L2224/32145 , H01L2224/48091 , H01L2924/00014 , H01L2924/01004 , H01L2924/01079 , H01L2924/01322 , H01L2924/3011 , H03H9/0547 , H01L2224/45099 , H01L2224/45015 , H01L2924/207
摘要： A complex RF device is provided which is composed of two RF circuits stacked vertically. The complex RF device comprises a substrate, a second RF circuit provided on the substrate, and a first RF circuit which is provided on the second RF circuit and does not require a substrate. The first RF circuit is formed on another substrate before being transferred onto the second RF circuit.
摘要翻译： 提供了一种复合RF器件，它由垂直堆叠的两个RF电路组成。 复合RF器件包括衬底，设置在衬底上的第二RF电路和设置在第二RF电路上并且不需要衬底的第一RF电路。 第一RF电路在被转移到第二RF电路之前形成在另一个衬底上。
-
35.发明申请公开(公告)号：US20070085633A1
公开(公告)日：2007-04-19
申请号：US11580139
申请日：2006-10-13
IPC分类号： H03H9/54
CPC分类号： H03H9/173 , H01H57/00 , H01H2057/006 , H03H3/02 , H03H2003/021
摘要： An acoustic resonator according to the present invention includes a substrate 105, a support section 104 provided on the substrate 105, a lower electrode 103 provided on the support section 104, a piezoelectric body 101 provided on the lower electrode 103, and an upper electrode 102 provided on the piezoelectric body 101. The lower electrode 103, the piezoelectric body 101 and the upper electrode 102 form a vibration section 107. The support section 104 for supporting the vibration section 107 is shaped such that at least one portion of a vertical cross-section thereof has a curvature.
摘要翻译： 根据本发明的声谐振器包括基板105，设置在基板105上的支撑部分104，设置在支撑部分104上的下电极103，设置在下电极103上的压电体101和上电极102 设置在压电体101上。 下电极103，压电体101和上电极102形成振动部107。 用于支撑振动部分107的支撑部分104成形为使得其垂直横截面的至少一部分具有曲率。
-
公开(公告)号：US08306499B2
公开(公告)日：2012-11-06
申请号：US12745615
申请日：2008-11-25
IPC分类号： H04B1/10
CPC分类号： H03H7/0153 , H03H7/1758 , H03H7/1766 , H03H9/6433 , H04H40/18 , H04N5/4401 , H04N5/4446 , H04N7/102 , H04N21/41407 , H04N21/42607
摘要： A digital television broadcast receiving section (100) of a mobile telephone terminal includes an antenna (101), a notch filter (102), a low-pass filter (LPF) (103), a low noise amplifier (LNA) (104), a receiving IC (105), a control section (107), and an input section (108). A passband for digital television broadcast is divided into several parts. The control section (107) switches a characteristic of each of the notch filter (102) and the LPF (103) so as to combine filters appropriate for a low-band channel or a high-band channel. Thus, frequencies in a mobile telephone transmission frequency band of the mobile telephone terminal, and frequencies in a band of other systems, the frequencies in these band being interfering waves, are largely attenuated, and at the same time, frequencies in the passband which is a frequency band for digital television broadcast are allowed to pass with low loss.
摘要翻译： 移动电话终端的数字电视广播接收部分（100）包括天线（101），陷波滤波器（102），低通滤波器（LPF）（103），低噪声放大器（LNA） ，接收IC（105），控制部（107）和输入部（108）。 数字电视广播的通带分为几个部分。 控制部分（107）切换陷波滤波器（102）和LPF（103）中的每一个的特性，以便组合适合于低频带信道或高频带信道的滤波器。 因此，移动电话终端的移动电话发送频带中的频率以及其他系统的频带中的频率，这些频带中的频率是干扰波，被大大地衰减，同时，通带中的频率是 允许数字电视广播的频带以低损耗通过。
-
37.发明授权Micromachine switch, filter circuit, duplexer circuit, and communication device 有权微机械开关，滤波电路，双工器电路和通讯装置公开(公告)号：US08022794B2
公开(公告)日：2011-09-20
申请号：US12297334
申请日：2007-04-25
CPC分类号： B81B5/00 , B81B2201/018 , B81B2201/034 , H01H1/0036 , H01P1/127
摘要： A micromachine switch switches an electrical connection between signal electrodes in accordance with control signals. The micromachine switch includes a substrate, a rotating body provided on the substrate, and a movable electrode provided on the rotating body. The micromachine switch also includes a first signal electrode, one end of which is electrically connected to one end of the movable electrode, and a second signal electrode provided near the rotating body to be positioned such that a rotation of the rotating body causes the second signal electrode to be electrically connected to another end of the movable electrode. Further, a drive section causes, based on a first control signal, the rotating body to rotate until the movable electrode and the second signal electrode are electrically connected, and causes, based on a second control signal, the rotating body to rotate until the movable electrode and the second signal electrode are disconnected.
摘要翻译： 微机械开关根据控制信号切换信号电极之间的电气连接。 微机械开关包括基板，设置在基板上的旋转体和设置在旋转体上的可动电极。 微机械开关还包括第一信号电极，其一端电连接到可动电极的一端，以及第二信号电极，设置在旋转体附近，以定位成使得旋转体的旋转引起第二信号 电极电连接到可动电极的另一端。 此外，驱动部基于第一控制信号使旋转体旋转直到可动电极和第二信号电极电连接，并且基于第二控制信号使旋转体旋转直到可动 电极和第二信号电极断开。
-
公开(公告)号：US07893793B2
公开(公告)日：2011-02-22
申请号：US11844809
申请日：2007-08-24
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。
-
39.发明授权公开(公告)号：US07719390B2
公开(公告)日：2010-05-18
申请号：US12019330
申请日：2008-01-24
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 (ρ1×h1)≦(ρa×ha) and (ρ2×h2)≦(ρa×ha) are satisfied, where h1 is the thickness and ρ1 is the density of the first electrode, h2 is the thickness and ρ2 is the density of the second electrode, and ha is the thickness and ρa 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（＆rgr; 1×h1）＆nlE;（＆rgr; a×ha）和（＆rgr; 2×h2）＆nlE;（＆rgr; a×ha），其中h1是厚度，＆rgr; 1是密度 的第一个电极，h2是厚度，＆rgr; 2是第二个电极的密度，ha是厚度，而a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。
-
40.发明申请Piezoelectric filter, antenna duplexer, and communications apparatus employing piezoelectric resonator 失效压电滤波器，天线双工器以及采用压电谐振器的通信装置公开(公告)号：US20070296523A1
公开(公告)日：2007-12-27
申请号：US11812013
申请日：2007-06-14
CPC分类号： H03H9/588 , H03H3/04 , H03H9/587 , H03H2003/023 , H03H2003/0414
摘要： A piezoelectric filter comprises a substrate and a plurality of piezoelectric resonators provided on the same substrate. Each piezoelectric resonator comprises a cavity formed in the substrate, a lower electrode formed on the substrate, covering the cavity, a piezoelectric material layer formed on the lower electrode, and an upper electrode formed on the piezoelectric material layer. At least one of the piezoelectric resonators has a cavity formed of a plurality of cells.
摘要翻译： 压电滤波器包括基板和设置在同一基板上的多个压电谐振器。 每个压电谐振器包括形成在基板中的空腔，形成在基板上的覆盖空腔的下电极，形成在下电极上的压电材料层和形成在压电材料层上的上电极。 至少一个压电谐振器具有由多个单元形成的空腔。
-
-
-
-
-
-
-
-
-
搜索结果
57 条记录 (耗时 0.029 秒)
