baber/WOPTO huggingface dataset:
Patent KR-20020018420-A (KR)
Title: A Lead Wire Guide Structure of Deflection Yoke
Inventor: LEE NEUNG WAN
IPC: H01J29/70
Filed: 2000-09-01
Abstract: PURPOSE: A lead wire guide structure of a deflection yoke is provided to prevent short due to contact of a lead wire with a vertical deflection coil and other components by using a guide groove and an auxiliary guide protrusion. CONSTITUTION: A lead wire guide structure of a deflection yoke comprises a lead wire(130) passing under a neck part(111), and a main guide part(114). The main guide part(114) includes a guide groove(115) and an auxiliary guide protrusion(116). The guide groove(115) is formed from outside to inside for passing the lead wire(130). The auxiliary guide protrusion(116) of a rectangle box is formed near the bottom of the main guide part(114) and the bottom of the guide groove(115). Inside of the protrusion(116) is connected to a separator(110) and bottom and outside of the protrusion(166) are opened to form a jaw for raising the lead wire(130) so as to prevent short of the lead wire(130).
Patent KR-20020028110-A (KR)
Title: Bib coke
Inventor: LEE EUN CHOON
IPC: F16K21/00
Filed: 2000-10-07
Abstract: PURPOSE: A faucet is provided to keep formerly set temperature intact and remove the trouble of controlling the temperature when using tap water by operating a handle lever. CONSTITUTION: A faucet has a cartridge case(3) installed in the upper side of the one side of a body(2); a cartridge(4) mixing hot and cold water inside properly or having ON/OFF function discharging tap water; a handle lever(5) installed in upper side of the cartridge and discharged hot and cold water incoming to the cartridge selectively. A connector(10) is connected with the upper side of a valve lever(6) operating the cartridge. A head part of the handle lever is extrapolated to rotate right and left in the connector and a retainer ring(20) is inserted to be movable in the upper side and the lower side. A temperature control lever(30) is extrapolated in the square unit of the upper side of the connector and connected with the valve lever as a coupler(31) passes through the temperature control lever and the connector. An elastic member(40) is inserted to a fixed projection(35) of the lower side of the upper part of the temperature control lever and installed in the inside of the handle lever. Although right and left movement occurs in up and down movement of the handle lever, the handle lever is in the rotating condition and prevents change of previously controlled temperature without operation of the cartridge.
Patent KR-20010035011-A (KR)
Title: a discharge system and a device of removing a chemical
Inventor: KIM DONG TAEK
IPC: H01L21/02
Filed: 2000-10-07
Abstract: PURPOSE: A system and an apparatus for removing chemicals is provided to remove a deposit within an exhaust pipe arrangement by discharging forcibly chemicals from a tank. CONSTITUTION: A pipe(2) is connected with a tank(5) for storing water. A structure of a pipe arrangement(6) of the tank(5) is composed of a manual pipe arrangement(61) and an automatic pipe arrangement(63). A manual pipe arrangement valve(62) is adhered to the manual pipe arrangement(61). Air valves(64,65) are adhered to the automatic pipe arrangement(63). Air pumps(66,67) are connected with the air values(64,65), respectively. The air valves(64,65) are connected with a main discharge pipe arrangement(4). SOL valves(6a,6b) connects the air valves(64,65) with an air hose(68). SOL valves(6c,6d) are connects the air pumps(66,67) with the air hose(68).
Patent KR-20010051004-A (KR)
Title: Communication game method
Inventor: IZUKA TAKASHI
IPC: A63F13/33
Filed: 2000-10-13
Abstract: PURPOSE: To provide a communication game method enjoyed by a player free in telephone charges. CONSTITUTION: When an event occurs in a progressing game in a communicational first game device, the first game device calls a telephone to a communicational second game device to send a call signal. In a game progressed in the second game device receiving the call signal, when the second gage device received the call signal, the event occurs, That is to say, adding to a spontaneous event occurring according to the progress of the game, the event occurs by receiving the call signal of the telephone by the game device irrelevant to the progress of the game in progressing the game. This system can provide a user with a joy that cannot be appreciated in the general game and a thrill that no one knows what is in store. After sending/receiving the call signal, the telephone is hung up before the game devices become the communicated state so that no communication cost is required. The communication cost is thus free and therefore the user can enjoy the communication game at low cost.
Patent KR-20010040105-A (KR)
Title: Liquid Crystal Display and Method for Manufacturing the Same
Inventor: HARA TAKESHI
IPC: H01L29/786
Filed: 2000-10-17
Abstract: PURPOSE: Provided are a liquid crystal display element which has high display quality and is inexpensive and highly reliable even in the case of a large type and high definition liquid crystal display panel, and a manufacturing method therefor. CONSTITUTION: In a liquid crystal display element provided with a liquid crystal layer, and a pair of transparent insulating substrates(1) opposed to each other across the liquid crystal layer, and having a TFT, on one of the transparent insulating substrates(1), made up of a gate signal line(2a) and a gate electrode(2b), an insulating film, a source signal line(9a) wired orthogonal to the gate signal line(2a), a source electrode(9b) and a drain electrode(9c), and a semiconductor layer having a channel protective film(7a) formed in the neighborhood of the intersection of the gate signal line(2a) and the source signal line(9a), and a pixel electrode(10) electrically connected with the TFT, the channel protective film(7a) has a inversely tapered film side face.
Patent KR-20020032681-A (KR)
Title: Cargo securing test system of vehicles
Inventor: DO JONG GWANG
IPC: G01M7/08
Filed: 2000-10-26
Abstract: PURPOSE: A cargo securing test apparatus is provided to accurately and rapidly measure the maximum amount of displacement at the seat back occurring during vehicle collision. CONSTITUTION: An apparatus comprises a rail block(1) fixed to a bottom surface(10) of a test chamber; a sled(3) arranged to be slidable onto the rail block; a white vehicle body(15) loaded with cargo blocks in a cargo compartment and fixed onto the sled, to be corresponded to left and right seat backs; a shock testing equipment(19) arranged in front of the sled, and which operates by the high pressure air and hits the sled so as to obtain vehicle body pulses for vehicle collision; a plurality of rubber trims(23) fit to upper left and right corners of left and right seat backs in an upper end(21) of rear door opening of the vehicle body, wherein each of the rubber trims has a hole formed at the center of the rubber trim; and four measurement strings(25) each of which has an end fixed to four corners of upper portion of left and right seat backs, and the other end led to the outside of the vehicle body through the holes formed at the rubber trims.
Patent KR-20010051296-A (KR)
Inventor: MATSUDA SHOICHI
IPC: C02F1/46
Filed: 2000-10-28
Abstract: PURPOSE: To provide an electromagnetic water treating apparatus capable of treatment of a large amount of water with a compact structure by arranging electrodes on the path walls crossed in the axial direction of a pipe line and having mutually a space, such that a work similar to the work operated to a space common in an electric field and a magnetic field is obtained and also an arrangement of an electrode is not restricted with a magnetic field generation means and the degree of freedom of an electrode arrangement method becomes high and an electrode area is increased greatly. CONSTITUTION: In this apparatus, magnetic field generation means 5a, 5b for working magnetic fields to water are arranged in the vicinity of an inlet 7 of a water path region arranged a pair of electrodes 11, 12 mutually with a spacing or in the vicinity of an outlet 8 of it. The water path arranged the electrodes 11, 12 is constituted of path walls 10...10 crossed with a pipe line 2 including the water path and arranged mutually with a spacing, and having opening parts 10a, 10b at a portion. On the path walls 10, the electrodes 11, 12 are arranged along the path wall surfaces.
Patent KR-20020035199-A (KR)
Title: crush disk
Inventor: KIM TAEK YEOL
IPC: B02C18/00
Filed: 2000-11-04
Abstract: PURPOSE: A crashing disk is provided to easily crush an object into chips or sawdusts and to minimize load of the crashing disk by modifying the same as to regulate crashed shape and size and to remove the crashed particles from the disk as well. CONSTITUTION: A crashing disk comprises a disk body(10) and a ventilation bracket. The disk body includes a center hole(11), opposed open holes(12), a long hole(13), an installing recess(14) for installing a chip working cutter(50) for crashing an object into chips, an installing hole(15) for a sawdust cutter for crashing an object into sawdusts, a connecting hole(17) and a fixing hole(16). The ventilation bracket includes an engaging portion(71) under the disk body, an air contact portion(72) for blowing the crashed objects away the disk body through the long hole and the open holes, and a reinforcing rib(73) for supporting the bracket on the engaging portion and an inner portion of the air contact portion.
Patent KR-20020038194-A (KR)
Title: tableware having temperature control function
Inventor: CHA JIN HWAN
IPC: A47G23/04
Filed: 2000-11-16
Abstract: PURPOSE: A cold and hot flatware with a temperature adjustment function is provided to continuously keep the temperature of food put on the flatware in conforming to the taste of a user. CONSTITUTION: The cold and hot flatware with a temperature adjustment function comprises a first temperature sensor(7) for detecting the temperature of a cold and hot plate; a second temperature sensor(70) installed within an outer case of the flatware for detecting the overheating of the flatware; a coldness and warmth control device part(100); a direct current supply device part(170); a temperature display part; an alarm buzzer(175) for informing the overheating condition of the flatware; and an electric current cutoff device(177).
Patent KR-20020040058-A (KR)
Inventor: JUNG HUI SEOK
IPC: B62D25/10
Filed: 2000-11-23
Abstract: PURPOSE: A torsion bar for a trunk lid of a vehicle is provided to reduce the production cost by reducing the length of a torsion bar and to offer convenience to a worker for installing a torsion bar. CONSTITUTION: A torsion bar for a trunk lid of a vehicle comprises a first torsion bar(6) having one end fixed on a first hinge(4) fixed on a left rear fender and the other end extended toward a second hinge(5), a second torsion bar(7) having one end fixed on the second hinge fixed on a right rear fender, and a torsion bracket(8) to connect the front ends of the first and second torsion bars and having the upper face in face-to-face contact with the inner face of a trunk lid. The first and second torsion bars are installed by combining one ends of the first and second torsion bars to the first and second hinges, installing the first and second hinges on the inner faces of the left and right rear fender panels, and installing the torsion bracket on the front ends of the first and second torsion bars. Therefore, the first and second torsion bars are installed conveniently.
Patent KR-20020044244-A (KR)
Title: A method for manufacturing grain-oriented electrical steel sheet
Inventor: CHA SANG YUN
IPC: C21D8/12
Filed: 2000-12-05
Abstract: PURPOSE: A method for manufacturing a grain-oriented electrical steel sheet is provided, in which by using new recrystallization inhibitors such as Pr, Ce, a grain-oriented electrical steel sheet can be manufactured in low slab recrystallization temperature range similar to normal steel, moreover this method does not require nitriding treatment. CONSTITUTION: The method for manufacturing a grain-oriented electrical steel sheet comprises the steps of hot rolling a steel slab comprising C 0.02-0.1 wt.%, Si 1.0-4.8 wt.%, Mn 0.05-0.2 wt.%, S 0.010-0.035 wt.%, Cu 0.1-0.25 wt.%, 0.015<=Ce<=0.035 wt.% or 0.015<=Pr<=0.035 wt.%, a balance of Fe and other inevitable impurities in the temperature range of 1200 to 1300°C; carrying out, in series, annealing, cold rolling, decarburization annealing, hot annealing using recrystallization inhibitor such as Ce, Ce-S, Ce-N, Pr, Pr-S, or Pr-N.
Patent KR-20010067417-A (KR)
Title: Color cathode ray tube device
Inventor: FUKUDA YUTAKA
IPC: H01J29/76
Filed: 2000-12-19
Abstract: PURPOSE: To provide a color receiver tube device for compensating changes of convergence of a pair of side beams by temperature changes of a deflection yoke. CONSTITUTION: This color receiver tube device is composed of an auxiliary coil in which a current synchronized with horizontal defection flows and a control element 24 for controlling current flowing its auxiliary coils 25a, 25b responding to temperature changes of the auxiliary coils. A compensation means is installed for generating magnetic field for compensating magnetic field variation of the horizontal deflection coils 12a, 12b by the temperature changes.
Patent KR-20020049335-A (KR)
Title: Device loading and unloading buffer for handler
Inventor: SUL DAE HWAN
IPC: G01R31/26
Filed: 2000-12-19
Abstract: PURPOSE: A device loading and unloading buffer of a horizontal handler is provided, which enables a continuous test of a device in a test site by locating one buffer in the test site when another buffer is located in a loading or unloading position. CONSTITUTION: A "V"-shaped guide rail(21) is installed in an adjacent part of a test site. A timing belt is installed by being wound by following pulleys(18a,18b) installed at an end of the above guide rail and moves according to a constant track by the driving of a motor. A loading buffer(22) and an unloading buffer(23) moves to the test site or to an unloading position under the state that a device to be tested is put on. And a sensing unit senses the driving of the motor by sensing the transportation of the loading buffer and the unloading buffer.
Patent KR-20020049608-A (KR)
Title: Device for mounting a side flap door on a body of bus
Inventor: PARK JONG SEOP
IPC: B62D31/02
Filed: 2000-12-19
Abstract: PURPOSE: An assembling apparatus of a side flap door for a bus is provided to improve working efficiency, and to keep gap between a side panel and the flap door by moving the side flap door to the installation position with a horizontal moving cylinder and a tilting cylinder. CONSTITUTION: A side flap door assembling device of a bus is composed of a support bar(10) supported by plural casters(14,16); vertical frames(2,4) fixed vertically in the support bar with a support rod(6); a horizontal frame(80) connecting vertical frames; a center column(86) arranged vertically in the middle of the horizontal frame with an extended bracket(82); a tilting cylinder(30) turned around a pin(84), and installed in the end of the extended bracket; a tilting plate(20) combined with a rod(32) of the tilting cylinder, and turned around a hinge; a transfer plate(26) sliding on the tilting plate; a transfer cylinder(40) installed in the tilting plate to move the transfer plate longitudinally by a rod; and settling members(28,48) mounted in the corner of the transfer plate to support the flap door. Working efficiency is improved with moving the side flap door by two cylinders in assembling.
Patent KR-20010062548-A (KR)
Inventor: KUDO NORIAKI
IPC: C08G73/10
Filed: 2000-12-20
Abstract: PURPOSE: To provide a flexible printed board which has a polyimide layer, having high adhesive strength with respect to metal foil and will not curl before and after etching the metal foil. CONSTITUTION: In this flexible printed board provided with the polyimide layer formed by imidizing a polyamic acid varnish film formed on the metal foil, the polyimide layer has a range of coefficient of linear expansion of 10x10-6 (1/K) to 30x10-6 (1/K) and shows a softening point, at least the imidizing temperature.
Patent KR-20020052355-A (KR)
Title: The spacer, the manufacturing apparatus and method of the spacer, and the apparatus of FED combined with the spacer
Inventor: JANG BO UNG
IPC: H01J1/30
Filed: 2000-12-26
Abstract: PURPOSE: A spacer and a field emission display using the same are provided to improve attachment of a spacer, exhaustion characteristic and vacuum exhaustion efficiency without changing characteristic of the field emission display, and solves charging and arcing during spacer mounting. CONSTITUTION: A field emission display comprise a bottom plate(310), a top plate(300), a spacer(320) and a frit(330). The bottom plate(310) includes a field emitter. The top plate(300) includes an anode electrode(303), a fluorescent material(302), a reflecting protection film(301) and a black matrix(304). The spacer(320) includes an upper support(321) for supporting the horizontal part of the top plate(300), a lower support(322) for supporting the horizontal part of the bottom plate(310), incline supports(323) of an optical fiber of a truss type for supporting external air pressure, and vertical supports(324) for vertically supporting at the ends of the upper and the lower supports(321,322). The frit(330) seals the space between the top plate(300) and the bottom plate(310).
Patent KR-20020057248-A (KR)
Title: Method for manufacturing orgarnic electroluminescent display
Inventor: KANG JAE IK
IPC: H01L51/56
Filed: 2000-12-30
Abstract: PURPOSE: A method for manufacturing organic EL(Electro-Luminescent) LCD is provided to prevent a short circuit generated in making a panel by differentiating a position of each vapor deposition source in a vapor deposition on an organic layer and a cathode. CONSTITUTION: An organic EL LCD includes an anode(3), a cathode(11) which forms an electrical field with the anode(3), an organic layer(9), and an insulation layer(5). A position of each vapor deposition source differs with each other in a vapor deposition on the organic layer(9) and the cathode(11). A distance between a vapor deposition source(9a) for forming the organic layer(9) and a substrate(1) is shorter than a distance between a vapor deposition source(11a) for forming the cathode(11) and the substrate(1).
Patent KR-20010031743-A (KR)
Title: 계층 복합 문서로부터의 정보 검색
IPC: G06F17/30
Filed: 1998-10-21
Abstract: 문서가 계층으로 편제되어 있는 문서 저장부 내의 문서들에 탐색질의(30)가 적용된다.  탐색엔진은 계층을 탐색하여 질의어와 직접 혹은 간접적으로 일치하는 문서들을 다시 보내준다.  탐색엔진의 특정 실시예는 질의어를 개별 부제어로 편제하고, 문서들에 대해 부제어를 일치시켜, 전체 탐색 질의어와 간접적으로 일치하며 질의 부제어 중 적어도 하나와 직접적으로 일치하는 문서들만을 돌려준다.
Patent KR-20010031898-A (KR)
IPC: H01L21/285
Filed: 1998-10-08
Abstract: 본 발명은, 쇼트키 다이오드에 관한 것으로, 특히, 절연 게이트형 반도체장치와 조합하여 사용되는 쇼트키 다이오드에 있어서, 역바이어스에 대한 내압을 높이면서, PN 접합을 갖지 않는 구조를 제공하는 것을 목적으로 한다. 그리고, 상기 목적을 달성하기 위해, 드레인으로서 기능하는 N형의 반도체 기판(11)의 표면에 노출되고, 채널 영역으로서 기능하는 표면을 갖는 P형 불순물 영역(12)과, 그것을 덮는 게이트 절연막(32)을 설치한다. 게이트 전극(53)은, 게이트 절연막(32) 위로부터, 산화막(31)의 제 1 테이퍼에 걸쳐 연장설치된다. 한편, 반도체 기판(11)을 캐소드로 하고, 쇼트키 영역으로서 경계층(14)을 갖는 쇼트키 다이오드(103)에 있어서, 아노드 전극(53)은 경계층(14)의 상측으로부터 경계층(14)의 단부의 상측에 있는 산화막(31)의 제 2 테이퍼에 걸쳐 연장설치된다.
Patent KR-20010052100-A (KR)
Title: 케이블 커넥션
IPC: H01R13/58
Filed: 1998-11-04
Abstract: 케이블 연결 시스템(cable connection system)을 위한 장치 및 방법이 제공된다.  연결 시스템은 케이블(210)의 단부에 결합되는 케이블 말단부(cable termination; 220)를 포함한다.  케이블을 수용하기 위해 케이블 말단부는 본체(body)와, 2개의 실질적으로 원형인 피봇(230)과, 케이블 말단부 본체 내의 케이블 인풋(225)을 포함한다.
Patent KR-20010032741-A (KR)
Title: 상호 적층되는 재료 웨브의 분리 장치
IPC: B31B50/80
Filed: 1999-10-04
Abstract: 본 발명은 상호 적층되는 재료의 두 라인을 분리하기 위한 장치에 관한 것이다.  이 재료의 라인은 분리되는 반면에, 이들은 이송 장치상에서 운송되고, 재료의 제 1 라인은 이송 장치에 착탈가능하게 고정되어 있다.  본 발명의 장치는 재료의 제 2 라인과 관련하여 이동가능한 흡착 장치(8, 9)를 포함하고, 흡착 수단에 의해 제 2 재료를 임시로 도입하여 재료의 제 1 라인으로부터 재료을 분리할 수 있다.  상기 장치는 또한 떨어져서 설정되고 제 1 피봇 핀(10a, 13a)에 관해 각각 회전하며 제 2 피봇 핀(10b, 13b)에 의해 흡착 장치(8)에 회전가능하게 각각 연결된 두개의 크랭크(10, 13)를 갖는다.  본 발명의 장치는 크랭크 중 하나상에 형성된 맞물림 소자에 연결되는 외주 맞물림 소자를 갖는 구동 장치를 특징으로 한다.  구동 장치 맞물림 소자와 크랭크 맞물림 소자의 회전 경로는 동일하지 않고, 평행하지 않으며, 맞물림 소자는 이들이 상호 변위될수 있도록 상호 맞물린다.
Patent KR-20010033209-A (KR)
Title: 색채 검정 방법 및 장치
IPC: A61B5/00
Filed: 1998-12-18
Abstract: 본 발명은 색표계를 구비한 색채 측정 기기를 보정하고, 그 색표계와 그 보정을 검증하는 장치 및 방법을 제공한다.  이 색채 검정 방법은 2가지 이상의 상이한 색채(바람직하게는 동시 색채 측정을 위해 마련된)를 갖는 표면을 구비한 색표계를 제공하는 단계와, 상기 색표계가 예정된 인가 받은 색표계인지 그리고 색채 측정 기기의 보정이 예정된 특정한 결과치를 달성하였는지를 검증하는 단계를 포함한다.  이러한 색채 검정 방법 및 장치 중 일부는 예정된 양의 빛에 노출되는 경우 기지의 방식으로 색채가 변화되는 색표계의 감광성 부분을 사용한다.  본 발명에는 각종 색표계가 사용된다.
Patent KR-20010042896-A (KR)
IPC: C07C51/265
Filed: 1999-04-20
Abstract: This invention relates to a process for producing one or more organic acids in high purity which process comprises (i) oxidizing in a liquid oxidation reactor one or more organic liquids with essentially pure oxygen or oxygen-enriched air containing at least about 50% oxygen, at a temperature sufficiently stable to prevent cycling of reaction rate, to produce a crude reaction product fluid, and (ii) refining said crude reaction product fluid to give said one or more organic acids in high purity. The oxidation temperature is preferably controlled to within about ±3° C. of a target temperature. The organic acids described herein is useful in a variety of applications, such as intermediates in the manufacture of chemical compounds, pharmaceutical manufacture and the like.
Patent KR-20010043078-A (KR)
IPC: B29C44/00
Filed: 1999-04-16
Abstract: The invention relates to a method for producing a refrigerator, characterized in that a continuously produced foam sandwich element is cut into measured sections or mitre-cut and arranged as shown in Figures 1, 2 and 3 so as to form a box which is open on two sides.
Patent KR-20010025021-A (KR)
IPC: H05K3/42
Filed: 1999-05-14
Abstract: A process for coating substrates having polymer surfaces with metals in the manufacturing of printed circuit boards, in particular in the manufacturing of printed circuit boards having microscopic holes and fine geometries by the application of an electroconductive polymer layer and a subsequent metallization, wherein the electroconductive polymer layer is preferably doped with a zinc-containing, colloidal palladium solution prior to the metallization step, the electroconductive polymer is poly-3,4-ethylenedioxythiophene and a contacting with a copper(II) salt solution is performed prior to the metallization.
Patent KR-20010052446-A (KR)
Title: 폴리우레탄 발포체의 제조 방법, 이 방법에 사용된 아민폴리에스테르 폴리올, 및 합성된 발포체
Filed: 1999-05-18
Abstract: 본 발명은 폴리에스테르폴리올을 2 이상의 작용성을 갖는 하나 이상의 지방족 또는 방향족 폴리산을 포함하는 산 반응물 A를 2 이상의 작용성을 갖는 하나 이상의 폴리올 P2 및 3 이상의 작용성을 갖는 하나 이상의 폴리올 P3와 반응시킴으로써 미리 수득하고 이어서 AP2P3로 나타내며; 촉매제는 하나 이상의 아민 폴리에스테르폴리올 AP2P3로 일부 또는 전체가 구성되고, 이때, 폴리올 P3의 일부 또는 전체는 하나 이상의 3차 아민 작용기를 갖는 하나 이상의 폴리옥시알킬렌화된 폴리알칸올아민으로 구성되고, 이 폴리알칸올아민의 알칸올 라디칼은 C 1 -C 6 이며, 산화 알킬렌 단위는 C 2 -C 4 이고, 폴리옥시알킬화된 폴리알칸올아민 분자당 산화 알킬렌 단위 수 N의 통계 평균은 f × x (여기에서, f는 폴리알칸올아민 분자당 히드록실 작용기의 수이고, x는 1 내지 10이다)이다.
Patent KR-20010052618-A (KR)
Title: 압전체 박막소자와 이를 이용한 잉크젯 방식 기록헤드 및이들의 제조방법
IPC: B41J2/16
Filed: 2000-04-05
Abstract: 두께방향 양면에 제 1 및 제 2 전극막(2, 3)이 각각 형성된 압전체 박막(1)을 유지막(5)으로 유지하도록 한 압전체 박막소자(D)를, 성막기판(11) 상에 각 막(1, 2, 3, 5)을 형성한 후에 이 성막기판(11)을 에칭 제거함으로써 제조하도록 하는 경우, 유지막(5)이 수지 등으로 이루어지고 다른 막과의 밀착성이 비교적 낮은 경우라도, 에칭용액에 의한 압전체 박막(1)의 손상을 확실하게 방지할 수 있도록 하기 위하여, 이 전극막(2)의 주연부 전체둘레가 압전체 박막(1)의 측면보다 옆쪽으로 돌출하고 또 유지막(5)과 밀착되도록, 성막기판(11)에 접하는 제 1 전극막(2)을 형성한다.