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公开(公告)号：KR100690343B1
公开(公告)日：2007-03-09
申请号：KR1020050065315
申请日：2005-07-19
Applicant: 전자부품연구원
IPC: H02N2/02
Abstract: 본 발명은 인치웜 액츄에이터(Inchworm Actuator)에 관한 것으로서, 상·하부가이드면(10,20) 사이에 마련되는 제1,2압전소자(30,40)와; 제1압전소자(30)의 양측에 결합되며, 선단부가 상·하부가이드면(10,20)에 접촉되는 대칭형 구조의 제1클램퍼(50)와; 제1클램퍼(50)와 교차되도록 제2압전소자(40)의 양측에 결합되며, 선단부가 상·하부가이드면(10,20)에 접촉되는 대칭형 구조의 제2클램퍼(60)와; 제1,2클램퍼(50,60) 중 어느 하나에 설치되는 지렛대부(70)와; 지렛대부(70) 및 지렛대부(70)가 설치되지 않은 제1,2클램퍼(50,60) 중 어느 하나에 연결되는 연결부(80)를 포함하여 구성된다. 이에 따라, 인치웜 액츄에이터의 구성을 단순화시킴으로써 조립성 및 사용성을 향상시킬 수 있다.
인치웜, 압전소자, 클램퍼, 지렛대부, 연결부, 보강부-
公开(公告)号：KR100661342B1
公开(公告)日：2006-12-27
申请号：KR1020050071386
申请日：2005-08-04
Applicant: 전자부품연구원
Abstract: A piezoelectric element is provided to perform easily a cutting process and to reduce fabrication costs by arranging alternately first and second electrodes. A piezoelectric element includes a plurality of piezoelectric sheets. Each piezoelectric sheet includes a predetermined electrode structure. The predetermined electrode structure is composed of a first electrode(200) and a second electrode(210). The first and the second electrodes are formed at one surface of the piezoelectric sheet. The first electrode is composed of a first electrode pad and a first electrode body. The second electrode is composed of a second electrode pad and a second electrode body. The second electrode pad is spaced apart from the first electrode pad. The second electrode body is opposite to the first electrode body.
Abstract translation: 提供压电元件以容易地执行切割工艺并且通过交替布置第一和第二电极来降低制造成本。 压电元件包括多个压电片。 每个压电片包括预定的电极结构。 预定电极结构由第一电极（200）和第二电极（210）组成。 第一和第二电极形成在压电片的一个表面上。 第一电极由第一电极焊盘和第一电极体组成。 第二电极由第二电极垫和第二电极体组成。 第二电极焊盘与第一电极焊盘分隔开。 第二电极体与第一电极体相对。
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公开(公告)号：KR1020040049384A
公开(公告)日：2004-06-12
申请号：KR1020020076779
申请日：2002-12-05
IPC: C04B35/491 , C04B35/472 , H01L41/187
CPC classification number: H01L41/187 , H01L41/43
Abstract: PURPOSE: Provided is a piezoelectric ceramic composition sintered at 1000-1050deg.C, which has a large electro-mechanical coupling constant, a high mechanical quality constant, and can be used as a piezoelectric part. CONSTITUTION: The piezoelectric ceramic composition is represented by the formula (1-x-y)Pb(Zr1-a, Tia)O3-xPb(Mn1/3Nb2/3)O3-yPb(Cu1/3Nb2/3)O3 and contains less than 5wt%(based on the weight of the total composition) of (1-z)BaO-zCuO as a low temperature sintering additive. In the formula, 0
Abstract translation: 目的：提供一种在1000〜50℃下烧结的压电陶瓷组合物，具有大的机电耦合常数，高机械质量常数，可用作压电部件。 构成：压电陶瓷组合物由式（1-xy）Pb（Zr1-a，Tia）O3-xPb（Mn1 / 3Nb2 / 3）O3-yPb（Cu1 / 3Nb2 / 3）O3表示，含有小于5wt （1-z）BaO-zCuO作为低温烧结添加剂的％（基于总组合物的重量）。 在该式中，0≤x≤0.08,0≤y≤0.1,0.4≤a≤0.6,0.5≤z≤0.9，BaO或BaCO3得到（1-z）BaO，zCuO为 由CuO或Cu2O获得。
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公开(公告)号：KR100288071B1
公开(公告)日：2001-05-02
申请号：KR1019980007852
申请日：1998-03-10
Applicant: 전자부품연구원
IPC: H04B1/40
Abstract: PURPOSE: A duplexer for a portable communication terminal is provided to remove coupling phenomenon generated in transmission and receipt frequency band terminals by preventing a frequency interference between transmission and receipt resonators. CONSTITUTION: A PCB(1) forms a pattern for forming a duplexer, and the pattern is formed as a transmission terminal and a receipt terminal for attaching transmission and receipt resonators(3,5) at both sides of the PCB(1). The transmission and receipt resonators(3,5) are attached to be opposite with the both sides of the PCB(1). The transmission and receipt resonators(3,5) are formed as a ceramic dielectric having each resonating hole. Transmission and receipt frequency band extracting units(7) extract only transmission and receipt frequency bands necessary for transmission and receipt from transmission and receipt frequencies oscillated in the transmission and receipt resonators(3,5). The transmission and receipt frequency band extracting units(7) forms a pattern for connecting the transmission and receipt resonators(3,5) to the PCB(1) and are attached to be opposite with the both sides of the PCB(1). The transmission and receipt frequency band extracting units(7) include the first and second aluminum pattern capacitors(17,19) attached to the both sides of the PCB(1). The first and second aluminum pattern capacitors(17,19) are formed as a plate type, and are oppositely attached in a direction to be vertical to the PCB(1). The first and second aluminum pattern capacitors(17,19) connect to the transmission and receipt resonators(3,5) by a pin(21) inserted into the resonating hole, respectively.
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公开(公告)号：KR100269407B1
公开(公告)日：2000-10-16
申请号：KR1019970061603
申请日：1997-11-20
Applicant: 전자부품연구원
IPC: H01P1/202
Abstract: PURPOSE: A frequency variable coaxial dielectric resonator is provided to overcome an adjustable bounds of a resonance frequency and achieve an easier manufacturing process. CONSTITUTION: A dielectric member(100) has an inside surface and an outside surface. An inside conductive member(230) is shorter in length than the inside surface of the dielectric member(100). A conductive shaft member(400) is inserted into a through hole, which is formed on a coaxial dielectric resonator, and is capable of change the length to be inserted into the though hole, thereby varying a resonance frequency according to the inserted length. The dielectric member(100) has two end parts and a predetermined longitudinal length. The through hole is formed along a central line from the lower end part to the upper end part of the dielectric member(100) in the direction of the dielectric member(100). The through hole takes preferably a cylinder type, on which a forming method like one axis press is easily applicable.
Abstract translation: 目的：提供一种频率可变的同轴介质谐振器，以克服谐振频率的可调节范围，并实现更容易的制造工艺。 构成：电介质构件（100）具有内表面和外表面。 内部导电构件（230）的长度比电介质构件（100）的内表面短。 导电轴构件（400）插入到形成在同轴介电谐振器上的通孔中，并且能够改变插入通孔的长度，从而根据插入长度改变谐振频率。 电介质构件（100）具有两个端部和预定的纵向长度。 通孔沿电介质构件（100）的方向从电介质构件（100）的下端部到上端部的中心线形成。 通孔优选为圆筒型，其上可以容易地应用像单轴压机的成形方法。
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Patent Agency Ranking
公开(公告)号：KR1020000024887A
公开(公告)日：2000-05-06
申请号：KR1019980041679
申请日：1998-10-02
Applicant: 전자부품연구원
IPC: H01P1/205
Abstract: PURPOSE: A monolithic dielectric filter is provided to improve an attenuation characteristic and to be easy to produce by eliminating a part of a metal film so as to expose a body. CONSTITUTION: In a monolithic dielectric filter consisting of a ceramic shintering body(10)and having an input/output terminal(15), a plurality of through holes(11,12) are formed in the monolithic dielectric filter. The plurality of through holes are in parallel each other, and are extended from one side of the shintering body to the other side opposed to the one side of the shintering body. A metal film is coated at a part of the shintering body. The part of the shintering body is placed at a side plane at which the input/output terminal is not formed and at an edge placed between the through holes.
Abstract translation: 目的：提供一种单片介质滤波器，以改善衰减特性，并且通过消除金属膜的一部分以使其露出来容易地制造。 构成：在由陶瓷烧结体（10）构成并具有输入/输出端子（15）的单片介质滤波器中，在单片介质滤波器中形成多个通孔（11,12）。 所述多个通孔彼此平行，并且从所述微晶体的一侧延伸到与所述微晶体的一侧相对的另一侧。 金属薄膜被涂覆在微晶体的一部分。 该烧结体的一部分被放置在不形成输入/输出端子的侧面以及设置在通孔之间的边缘。
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公开(公告)号：KR101709976B1
公开(公告)日：2017-02-27
申请号：KR1020140071155
申请日：2014-06-12
Applicant: 전자부품연구원
Abstract: 4 접점을갖는초음파모터가개시된다. 본발명의일 실시예에따른초음파모터는사각기둥형으로형성되고두께방향으로분극되는일체형압전체; 및전원인가를위해압전체의네 모서리부분을제외한테두리면에각각형성되는전극부를포함하고, 전극부에는이웃하는전극부와위상차가 90°인정현파신호전압이각각인가된다.
Abstract translation: 公开了具有四个接触点的超声波马达。 根据本发明的一个实施例，超声波马达包括：形成为正方形柱状并且沿厚度方向极化的整体压电体; 以及形成在用于电源施加的压电体的四个角以外的每个边缘上的电极部。 对每个电极部分施加正弦波信号电压，其中电极部分和相邻电极部分的正弦波之间的相位差为九十度。
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公开(公告)号：KR1020150142835A
公开(公告)日：2015-12-23
申请号：KR1020140071155
申请日：2014-06-12
Applicant: 전자부품연구원
CPC classification number: H02N2/103 , B06B1/06 , B60T8/4266 , H02N2/00 , H02N2/021 , H02N2/10 , Y10S310/80
Abstract: 4 접점을갖는초음파모터가개시된다. 본발명의일 실시예에따른초음파모터는사각기둥형으로형성되고두께방향으로분극되는일체형압전체; 및전원인가를위해압전체의네 모서리부분을제외한테두리면에각각형성되는전극부를포함하고, 전극부에는이웃하는전극부와위상차가 90°인정현파신호전압이각각인가된다.
Abstract translation: 公开了具有四个接触点的超声波马达。 根据本发明的一个实施例，超声波马达包括：形成为正方形柱状并且沿厚度方向极化的整体压电体; 以及形成在用于电源施加的压电体的四个角以外的每个边缘上的电极部。 对每个电极部分施加正弦波信号电压，其中电极部分和相邻电极部分的正弦波之间的相位差为九十度。
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公开(公告)号：KR1020140146739A
公开(公告)日：2014-12-29
申请号：KR1020130069366
申请日：2013-06-18
Applicant: 전자부품연구원
CPC classification number: H02N2/06 , H01L41/0536 , H01L41/09 , H01L41/187 , H02N2/006
Abstract: Disclosed is a straight type piezoelectric linear actuator. The straight type piezoelectric linear actuator according to one embodiment of the present invention includes an elastic element, a first piezoelectric ceramic element which is connected to one side of the elastic element, and a second piezoelectric ceramic element which is connected to the other side of the elastic element to be symmetrical to the first piezoelectric ceramic element based on the center of the elastic element. Sine wave signal voltages with a phase difference of 90 degrees are inputted to the first piezoelectric ceramic element and the second piezoelectric ceramic element.
Abstract translation: 公开了一种直型压电线性致动器。 根据本发明的一个实施例的直型压电线性致动器包括弹性元件，连接到弹性元件的一侧的第一压电陶瓷元件和连接到弹性元件的另一侧的第二压电陶瓷元件 弹性元件基于弹性元件的中心与第一压电陶瓷元件对称。 相位差为90度的正弦波信号电压被输入到第一压电陶瓷元件和第二压电陶瓷元件。
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公开(公告)号：KR1020140146738A
公开(公告)日：2014-12-29
申请号：KR1020130069365
申请日：2013-06-18
Applicant: 전자부품연구원
Abstract: A piezoelectric linear actuator is disclosed. The piezoelectric linear actuator according to one embodiment of the present invention is a laminate formed by arranging a first piezoelectric ceramic element which includes a ground electrode on the lower side thereof and a first electrode on the upper side thereof, on a (4N+1) layer and a (4N+3) layer and arranging a second ceramic element which includes a ground electrode on the lower side thereof and a second electrode on the upper side thereof, on a (4N+2) layer and a (4N+4) layer, wherein, N is an integer equal to or more than 0. The polarization directions of the (4N+1) layer and the (4N+4) layer are opposite to the polarization directions of the (4N+2) layer and the (4N+3) layer.
Abstract translation: 公开了一种压电线性致动器。 根据本发明的一个实施方案的压电线性致动器是通过在（4N + 1）上排列包括下侧的接地电极的第一压电陶瓷元件和其上侧的第一电极而形成的层压体， 层和（4N + 3）层，并且在（4N + 2）层和（4N + 4）层上布置包括其下侧的接地电极的第二陶瓷元件和其上侧上的第二电极， 其中，N是等于或大于0的整数。（4N + 1）层和（4N + 4）层的偏振方向与（4N + 2）层的偏振方向相反，并且 （4N + 3）层。
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