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1. 发明授权

KR100430753B1 압전 소자 및 그의 제조방법 失效
标题翻译： 압전소자및그의제조방법
公开(公告)号：KR100430753B1
公开(公告)日：2004-05-10
申请号：KR1020010004851
申请日：2001-02-01
申请人： 가부시키가이샤 무라타 세이사쿠쇼
发明人： 안도아키라 , 하야시고이치 , 기무라마사히코
IPC分类号： H01L41/08
CPC分类号： H03H9/178 , H01L41/0471 , H01L41/0472 , H01L41/083 , H01L41/257 , H03H3/02 , Y10T29/42 , Y10T29/49005 , Y10T29/49011 , Y10T29/4902 , Y10T29/4908 , Y10T29/49126 , Y10T29/49155
摘要： 본 발명에 의한 압전 소자는 적층 페롭스카이트 구조를 갖는 압전체 세라믹을 포함하며, 두께 방향으로 선택 배향된 C축을 갖는다. 상기 압전체 세라믹에서, 상기 선택 배향된 C축에 수직하여 직선 형상의 전극이 형성된다. 상기 압전체 세라믹의 양 단면에 노출된 전극은 도전성 재료와 절연 재료로 덮여있다. 상기 압전체 세라믹은 폭 방향으로 배치되어 있는 전극의 양쪽에서 대향하는 방향으로 분극된다. 또한, 외부 전극은 도전성 재료와 절연재료가 형성된 면에 형성되어, 두 개의 전극 그룹이 인터디저털 형태의 배치를 이룬다.
摘要翻译：压电元件包含具有层状钙钛矿结构的压电陶瓷体，并且具有沿厚度方向选择和取向的C轴。在压电陶瓷体中，线形电极垂直于所选择和定向的C轴形成。暴露在压电陶瓷体的两个端面处的电极被导电材料和绝缘材料覆盖。压电陶瓷体在沿宽度方向排列的电极的两侧沿相反的方向极化。此外，在形成导电材料和绝缘材料的面上形成外部电极，由此两组电极以叉指电极形式排列。

2. 发明公开

KR1020030025599A 박막 벌크 어쿠스틱 공진기를 이용한 대역통과 필터 및 듀플렉서 제조방법 失效
标题翻译：薄膜膨胀声波谐振器，使用它们的BANDPASS滤波器和制造双工器的方法
公开(公告)号：KR1020030025599A
公开(公告)日：2003-03-29
申请号：KR1020010058729
申请日：2001-09-21
申请人： 엘지전자 주식회사
发明人： 김근호
IPC分类号： H03H9/15
CPC分类号： H03H9/15 , H03H9/178 , H03H9/56 , H03H9/64
摘要： PURPOSE: A thin film bulk acoustic resonator, a bandpass filter utilizing the same and a method for manufacturing a duplexer are provided to prevent the breakage effect of a piezoelectric layer due to the thickness of the piezoelectric layer itself by configuring the piezoelectric layer of the thin film bulk acoustic resonator with a plurality of layers having a stress with a different direction each other. CONSTITUTION: A thin film bulk acoustic resonator includes a lower electrode(3), a plurality of piezoelectric layers(4,4') and an upper electrode(5) stacked subsequently, wherein the piezoelectric layers(4,4') are made of a first piezoelectric layer(4) and a second piezoelectric layer(4') for compensating a reciprocal stress of the piezoelectric layers(4,4'). The first piezoelectric layer(4) represents a tension and the second piezoelectric layer(4') represents a compressive stress.
摘要翻译：目的：提供一种薄膜体声波谐振器，利用其的带通滤波器和双工器的制造方法，以通过将压电层本身的压电层构成来抑制由于压电层本身的厚度而产生的压电层的破坏作用具有具有彼此具有不同方向的应力的多个层的膜体声波谐振器。构成：薄膜体声波谐振器包括下电极（3），随后堆叠的多个压电层（4,4'）和上电极（5），其中压电层（4,4'）由用于补偿压电层（4,4'）的往复应力的第一压电层（4）和第二压电层（4'）。第一压电层（4）表示张力，第二压电层（4'）表示压应力。

3. 发明公开

KR1020020056851A 압전 세라믹 조성물 및 이를 사용하는 압전 세라믹 소자 失效
标题翻译：压电陶瓷组合物和使用其的压电陶瓷元件
公开(公告)号：KR1020020056851A
公开(公告)日：2002-07-10
申请号：KR1020020029836
申请日：2002-05-29
申请人： 가부시키가이샤 무라타 세이사쿠쇼
发明人： 사와다다쿠야 , 기무라마사히코 , 안도아키라 , 하야시고이치
IPC分类号： C04B35/475 , H01L41/187
CPC分类号： H03H9/178 , C04B35/475 , H01L41/187
摘要： PURPOSE: A piezoelectric ceramic composition that can be fired at a temperature as low as 1100 deg.C or below besides being able to obtain a piezoelectric ceramic that exhibits an electromechanical coupling coefficient kt of the order sufficient for practical uses, and a piezoelectric ceramic element using the piezoelectric ceramic composition are provided. CONSTITUTION: The piezoelectric ceramic composition comprises a principal component represented by the general formula CaBi4(Ti1-ySiy)4O16, wherein y is within the range of 0
摘要翻译：目的：一种压电陶瓷组合物，其能够在低达1100℃或更低的温度下烧制，除了能够获得表现出足以实际使用的次序的机电耦合系数kt的压电陶瓷，以及压电陶瓷元件使用压电陶瓷组合物。构成：压电陶瓷组合物包含由通式CaBi 4（Ti 1-y Si y）4 O 16表示的主成分，其中y在0

4. 发明公开

KR1020020041314A 복합 진동 장치 有权
标题翻译：复合材料振动装置
公开(公告)号：KR1020020041314A
公开(公告)日：2002-06-01
申请号：KR1020010074210
申请日：2001-11-27
申请人： 가부시키가이샤 무라타 세이사쿠쇼
发明人： 니시무라도시오 , 이노우에지로 , 가이다히로아키 , 미타니아키히로
IPC分类号： H03H9/15
CPC分类号： H03H9/0514 , H03H9/178
摘要： PURPOSE: A composite material vibration device is provided to be mechanically supported by a vibration member with a relatively simple structure for generating various vibration modes without affecting a vibration characteristic of the vibration member. CONSTITUTION: A composite material vibration device(1) includes a vibration member defined by a piezoelectric element(2), made of material having a first acoustic impedance value Z1, for serving as a vibration generation source, a first and a second reflecting layers(3,4), made of material having acoustic impedance Z2 lower than the first acoustic impedance Z1 and connected to the both sides of the piezoelectric element(2), a first and a second holding members(5,6) connected to the outer sides of the reflecting layers(3,4) made of material having an acoustic impedance value Z3 larger than the second acoustic impedance Z2. In the composite material vibration device, the vibrations generated from the vibration member are reflected at the interfaces between the reflecting layers(3,4) and the holding members(5,6).
摘要翻译：目的：提供一种复合材料振动装置，由具有相对简单结构的振动部件机械支撑，用于产生各种振动模式，而不影响振动部件的振动特性。构成：复合材料振动装置（1）包括由用作振动发生源的第一声阻抗值Z1的材料制成的由压电元件（2）限定的振动部件，第一和第二反射层（ 3,4）由具有低于第一声阻抗Z1的声阻抗Z2的材料制成并且连接到压电元件（2）的两侧;第一和第二保持构件（5,6），其连接到外侧的反射层（3,4）由声阻抗值Z3大于第二声阻抗Z2的材料制成。在复合材料振动装置中，由振动构件产生的振动在反射层（3,4）和保持构件（5,6）之间的界面处被反射。

5. 发明公开

KR1020010040089A 압전 공진자 无效
标题翻译：压电谐振器
公开(公告)号：KR1020010040089A
公开(公告)日：2001-05-15
申请号：KR1020000060527
申请日：2000-10-14
申请人： 가부시키가이샤 무라타 세이사쿠쇼
发明人： 야마모토다카시
IPC分类号： H03H9/15
CPC分类号： H03H9/178 , H03H9/13 , H03H9/15 , H03H9/205 , H03H9/58
摘要： PURPOSE: To provide a piezoelectric resonator which is made smaller for its resonance frequency and has large terminal-to-terminal capacitance. CONSTITUTION: Two layers of internal electrodes 12 and 14 are formed among three layers of ceramic piezoelectric substrates 11, 13 and 15, ad the surface electrodes 10 and 16 are formed on both main surface of the laminated substrates 11, 13 and 15 and electrodes 12 and 14, respectively. The center substrate 13 is not polarized and both side electrodes 11 and 15 are polarized in the direction vertical to each principal surface and with their polarizing directions set opposite to each other. Then a connecting electrode 18 is added the side face of the laminated substrates to secure electrical conduction between the electrodes 10 and 14 (the electrode 18 is insulated from the electrode 12 via an insulating material 17). The other connecting electrode 20 secures electrical conduction between the electrodes 16 and 14 and is insulated form the intermediate electrode 12 via an insulating material 19 that is formed on the side face of the laminated substrate.
摘要翻译：目的：提供一种压电谐振器，其谐振频率较小，并具有较大的端对端电容。构成：在三层陶瓷压电基板11,13和15之间形成两层内部电极12和14，并且在叠层基板11,13和15的两个主表面上形成表面电极10和16以及电极12 和14。中心基板13没有偏振，并且两个侧面电极11和15在垂直于每个主表面的方向上偏振，并且它们的偏振方向彼此相对设置。然后，将层叠基板的侧面添加连接电极18，以确保电极10和14之间的电导（电极18经由绝缘材料17与电极12绝缘）。另一个连接电极20确保电极16和14之间的导电，并且通过形成在层压基板的侧面上的绝缘材料19与中间电极12绝缘。

6. 发明公开

KR1020010021432A 두께 확장 진동 모드 압전 공진자, 사다리형 필터 및 압전공진부품 失效
标题翻译：厚度纵向压电谐振器，梯形滤波器和压电谐振元件
公开(公告)号：KR1020010021432A
公开(公告)日：2001-03-15
申请号：KR1020000049878
申请日：2000-08-26
申请人： 가부시키가이샤 무라타 세이사쿠쇼
发明人： 니시무라도시오
IPC分类号： H03H9/15
CPC分类号： H03H9/178 , H03H9/0207 , H03H9/605
摘要： PURPOSE: A thickness longitudinal piezoelectric resonator, ladder, type filter and piezoelectric resonator component is provided to suitably use for a serial arm resonator of a ladder type filter. CONSTITUTION: N-sets (N is a natural number being 3 to 5) of internal electrodes (e.g. 3 to 6) are placed in a piezoelectric body(2) of a resonator 1, and an electric field is applied alternately to piezoelectric layers among the internal electrodes 3-6 in the thickness direction in the thickness longitudinal piezoelectric resonator. In the case of N=3, a relation of (D1+D2)/2D larger or equal to 0.50 and smaller or equal to 1.00 holds, in the case of N=4, a relation of (D1+D2)/2D larger or equal to 0.50 and smaller or equal to 0.90 holds, and in the case of N=5, a relation of (D1+D2)/2D larger or equal to 0.50 and smaller or equal to 0.80 holds, where D is the thickness of the piezoelectric body between the internal electrodes adjacent in the thickness direction, and D1, D2 are the thickness of the first and second piezoelectric layers, respectively, located outside the internal electrodes that are located at outermost positions in the thickness direction.
摘要翻译：目的：提供厚度纵向压电谐振器，梯子，型式滤波器和压电谐振器元件，适用于梯形滤波器的串联臂谐振器。构成：将内部电极（例如3〜6）的N组（N为3〜5的自然数）配置在谐振器1的压电体（2）中，并且将电场交替施加到压电体层内部电极3-6在厚度方向上的厚度纵向压电谐振器。在N = 3的情况下，在N = 4的情况下，大于或等于0.50且小于或等于1.00的（D1 + D2）/ 2D的关系成立（D1 + D2）/ 2D的关系更大或等于0.50且小于或等于0.90，并且在N = 5的情况下，大于或等于0.50且小于或等于0.80的（D1 + D2）/ 2D的关系成立，其中D是在厚度方向相邻的内部电极之间的压电体和D1，D2分别位于位于厚度方向最外侧位置的内部电极外侧的第一和第二压电体层的厚度。

7. 发明公开

KR1020170134623A 필터 장치 审中-实审
标题翻译：过滤设备
公开(公告)号：KR1020170134623A
公开(公告)日：2017-12-06
申请号：KR1020177031873
申请日：2016-06-13
申请人： 가부시키가이샤 무라타 세이사쿠쇼
发明人： 이와모토히데키 , 오카다케이지 , 타카미네유이치 , 타카이츠토무
IPC分类号： H03H9/72 , H03H9/145
CPC分类号： H03H9/568 , H03H9/02031 , H03H9/02574 , H03H9/132 , H03H9/14532 , H03H9/14594 , H03H9/178 , H03H9/205 , H03H9/6436 , H03H9/6483 , H03H9/706 , H03H9/725 , H03H9/72 , H03H9/145
摘要： 횡모드리플을억압할수 있고, 삽입손실의열화가생기기어려우며, Q값을높일수 있는필터장치를제공한다. 필터장치(1)는, 탄성파전파방향과직교하는방향에서, IDT전극의중앙영역의외측에저음속영역을가지고, 저음속영역의외측에고음속영역을가지는, 복수의제1 IDT전극(31~39)을가지고, 제1 대역통과형필터(5)로서기능하는종결합공진자형탄성파필터(11)와, 종결합공진자형탄성파필터(11)에전기적으로접속된탄성파공진자(21, 22)를포함한다. 탄성파공진자(21, 22)가, LiTaO으로이루어지는압전막과, 전파하는벌크파의음속이압전막을전파하는탄성파의음속보다도고속인고음속부재를가진다. 압전막은, 고음속부재상에직접또는간접적으로적층되어있다. 복수의제1 IDT전극(31~39)은, 압전막의한쪽면 상에서종결합접속되어있다. 압전막의한쪽면 상에제2 IDT전극이마련되어있다. 제2 IDT전극의복수개의제1 전극지의선단을잇는방향및 복수개의제2 전극지의선단을잇는방향이, LiTaO의오일러각(φ, θ, ψ)에의해규정되는탄성파전파방향(ψ)에대하여경사각도(ν)(ν는 0°보다큰 양의값)를이루고있다.
摘要翻译：本发明提供一种滤波器装置，其能够抑制横模波动，不易引起插入损耗的恶化，并且能够提高Q值。过滤器装置（1），在弹性波传播方向和垂直于一个方向，它具有在IDT电极的中央区域的外侧的低速区域，并且具有低速区域的外侧自我声速区域，多个所述第一IDT电极的（31〜用作第一带通滤波器5的谐振器型谐振器滤波器11和电连接到纵向耦合谐振器型弹性波滤波器11的弹性波谐振器21和22，它包括。声波谐振器21和22，体波的压电膜和无线电波的音速比声波传播的压电薄膜的声速由钽酸锂具有高的声速锭部件的速度。压电膜直接或间接地层压在高音部件上。多个第一IDT电极31至39纵向耦合至压电膜的一个表面。第二IDT电极设置在压电膜的一侧上。连接远端方向和多个IDT电极的前端部的第二电极指的第一电极指连接第二多个方向的，弹性波传播方向（ψ）由欧拉限定的角度（φ，θ，ψ）的钽酸锂的（V是大于0度的正值）相对于倾斜角度θ。

8. 发明公开

KR1020120117124A 수정 진동자 및 수정 진동자의 전극 구조 有权
标题翻译： QUARTZ振动器及其电极结构
公开(公告)号：KR1020120117124A
公开(公告)日：2012-10-24
申请号：KR1020110034684
申请日：2011-04-14
申请人： 삼성전기주식회사
发明人： 전종범 , 이종필 , 박장호
IPC分类号： H03H9/19
CPC分类号： H03H9/19 , H03H3/04 , H03H9/178 , H03H9/21
摘要： PURPOSE: A crystal oscillator and an electrode structure of the crystal oscillator are provided to reduce manufacturing costs by improving frequency change characteristics according to external thermal environmental change. CONSTITUTION: A crystal oscillator(20) comprises a crystalline lens(21) vibrating by an electric signal and a first electrode(22a) and a second electrode(22b) laminated on both sides of the crystalline lens. The first electrode or the second electrode has a laminating structure of a first layer(23a), a second layer(23b), a third layer(23c), and a fourth layer(23d). The first layer improves adhesive power between the crystalline lens and the first electrode or the second electrode. The first layer compensates for different thermal expansion coefficients of each inter-layer. The first layer is made of materials having stable and low resistivity and excellent electric conductivity.
摘要翻译：目的：提供晶体振荡器和晶体振荡器的电极结构，以通过根据外部热环境变化改善频率变化特性来降低制造成本。构成：晶体振荡器（20）包括由电信号振动的晶状体（21）和层叠在晶状体两侧的第一电极（22a）和第二电极（22b）。第一电极或第二电极具有第一层（23a），第二层（23b），第三层（23c）和第四层（23d）的层压结构。第一层改善了晶状体与第一电极或第二电极之间的粘合力。第一层补偿每个层间不同的热膨胀系数。第一层由具有稳定且低电阻率和优异导电性的材料制成。

9. 发明授权

KR100440194B1 압전 공진기 有权
标题翻译： 압전공진기
公开(公告)号：KR100440194B1
公开(公告)日：2004-07-15
申请号：KR1020000064001
申请日：2000-10-30
申请人： 가부시키가이샤 무라타 세이사쿠쇼
发明人： 안도아키라 , 기무라마사히코 , 사와다다쿠야 , 이노우에지로 , 가이다히로아키 , 나가에도루
IPC分类号： H03H9/15
CPC分类号： H03H9/177 , H03H9/0207 , H03H9/178
摘要： A piezoelectric resonator (10) capable of achieving a compact oscillator with high performance having high thermal resistance and a narrow tolerance is provided. A piezoelectric resonator (10) includes an element body (12) comprising an excitation layer (14) and a non-excitation layer (16). One vibration electrode (18, 20) is formed on the surface of the excitation layer (14) and another vibration electrode (18, 20) is formed between the excitation layer (14) and the non-excitation layer (16). The two vibration electrodes (18, 20) are formed from opposing ends of the excitation layer (14) toward the central portion thereof so as to oppose each other at the central portion of the excitation layer (14). On end-faces of the element body (12), end-face electrodes (22, 24) are formed so as to be connected to the vibration electrodes (18, 20), respectively.
摘要翻译：提供一种能够实现具有高热阻和小容差的高性能小型振荡器的压电谐振器（10）。压电谐振器（10）包括具有激励层（14）和非激励层（16）的元件主体（12）。一个振动电极（18,20）形成在激励层（14）的表面上，另一个振动电极（18,20）形成在激励层（14）和非激励层（16）之间。两个振动电极（18,20）从激励层（14）的相对端朝着其中心部分形成，以便在激励层（14）的中心部分彼此相对。在素体（12）的端面上，分别形成端面电极（22,24）以连接到振动电极（18,20）。

10. 发明公开

KR1020010039619A 압전 세라믹 조성물 및 이를 사용하는 압전 세라믹 소자 失效
标题翻译：压电陶瓷组合物和元素
公开(公告)号：KR1020010039619A
公开(公告)日：2001-05-15
申请号：KR1020000028045
申请日：2000-05-24
申请人： 가부시키가이샤 무라타 세이사쿠쇼
发明人： 사와다다쿠야 , 기무라마사히코 , 안도아키라 , 하야시고이치
IPC分类号： H01B3/12
CPC分类号： H03H9/178 , C04B35/475 , H01L41/187
摘要： PURPOSE: A piezoelectric ceramic composition is provided to yield a piezoelectric ceramic being able to fire at a temperature as low as 1100 deg.C or below and exhibiting an electromechanical coupling coefficient sufficient for providing the piezoelectric ceramic element for practical uses. CONSTITUTION: A piezoelectric ceramic composition comprises a principal component represented by a general formula of Cabi4(Ti(1-y)Si(y))4O16 with y within the range of 0
摘要翻译：目的：提供压电陶瓷组合物以产生能够在低至1100摄氏度或更低的温度下发射的压电陶瓷，并且具有足以提供用于实际应用的压电陶瓷元件的机电耦合系数。构成：压电陶瓷组合物包含由通式Cabi4（Ti（1-y）Si（y））4O16表示的主成分，y在0

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