baber/WOPTO huggingface dataset:
Patent KR-20140044747-A (KR)
Title: Circuit connecting material and process for production thereof, and process for production mounted body using it
Inventor: HAMACHI HIROSHI
IPC: H01B1/08
Filed: 2013-10-01
Abstract: The present invention relates to a circuit connecting material, a manufacturing method thereof, and a method for manufacturing a mounted body using the same. An anisotropic conductive film containing a polymeric resin, a polymerization initiator, conductive particles is attached to the electrode of a first electronic part. A second electronic part is arranged on the anisotropic conductive film. The upper surface of the second electronic part is pressed by a compression head. Wettability is improved and adhesion to a substrate can be improved since super-hydrophilic properties are expressed on anatase type active titanium oxide particles during temporal adhesion.
Patent KR-20150042906-A (KR)
IPC: G08G3/00
Filed: 2013-10-14
Abstract: The present invention relates to an automatic recognition method and device regarding entry and departure of port to manage data from the unit of port to port. The automatic recognition method of entry and departure of a ship at a port comprises the steps of: the automatic recognition device′s using the coordinate information of a port that is previously saved and the coordinate information of the ship that is created in real time and determining a first status information based on the distance between the ship and the selected port and a second status information based on the engine status information of the ship; and the automatic recognition device′s using the first status information and the second status information and determining the ship status information.
Patent KR-20150010543-A (KR)
Inventor: HUH SEUNG HYO
IPC: H05B37/02
Filed: 2013-10-14
Abstract: Disclosed is a track lighting device which freely controls the color of light irradiated to the outside or a light distribution effect by using various accessories installed to be replaceable on the front side of a light source, induces the inflow of external air by using a drift space formed along the circumference of a heat sink and an inclined plane of the rear side of a cooling pin as a medium, and improves the velocity of a flow rate at the same time. Therefore, the track lighting device can improve cooling performance of a lighting device more. The track lighting device comprises; a case (30) which is electrically connected to a track adaptor (20) and includes a rotary hinge (34) installed to be able to rotate in a horizontal direction; a heat sink (40) which is installed to be able to rotate in a vertical direction about the rotary hinge (34) and includes a cooling pin (44) for heat radiation; a housing (50) which forms a space apart from the heat sink (40) to include a slot (52) for pivot turn in a vertical direction about the rotary hinge (34); a lighting module (60) installed in the heat sink (40); a diffusion plate (62) fixated on the front side of the lighting module (60); and a reflector (80) which is assembled to the housing (50) detachably.
Patent KR-20150043126-A (KR)
IPC: A61K36/60
Filed: 2013-10-14
Abstract: The present invention relates to a pharmaceutical composition for preventing or treating colon cancer and to a food composition for preventing or alleviating colon cancer, wherein a Treculia africana extract is included as an active ingredient. The composition including the Treculia Africana extract of the present invention does not exhibit toxicity for normal cells but induces the apoptosis of colon cancer cells to exhibit a remarkably excellent colon cancer cell killing effect. Accordingly, the composition can be usefully applied as an anticancer composition so as to be used as the pharmaceutical composition or the food composition for preventing or treating colon cancer.
Patent KR-20130129871-A (KR)
Title: Method and system for managing online shopping mall using lottery form
Inventor: HUR MIN
IPC: G06Q30/06
Filed: 2013-10-15
Abstract: A method and a system for managing an online shopping mall using lottery form which can provide a user with an article as valuable as the payment at least through lottery are provided. The method for managing the online shopping mall using lottery form includes a step of processing payment deposited from the user, a step of recording article information corresponding to the payment selected from the user, who refers to article information database, in an article list, a step of drawing lots for the article information, and a step of registering the lottery article information in the inventory of the user. [Reference numerals] (AA) Start;(BB) End;(S210) Make a payment;(S220) Provide mileage points;(S230) Draw for winners for free gifts;(S240) Register the free gifts at an inventory;(S250) Ship out the registered free gifts at an inventory;(S260) Trade the registered free gifts at an inventory
Patent KR-20150045330-A (KR)
IPC: H01L51/52
Filed: 2013-10-18
Abstract: According to one embodiment of the present invention, disclosed is a pad electrode structure which includes a pad electrode, an interlayer dielectric layer which is formed on the pad electrode and includes a plurality of opening parts to expose the upper side of the pad electrode, a conductive barrier layer which is located on the interlayer dielectric layer and the opening parts, and a planarized insulation layer which covers the end of the conductive barrier layer and is formed on the opening part.
Patent KR-20150045779-A (KR)
IPC: H04B1/40
Filed: 2013-10-21
Abstract: Disclosed are a mobile terminal and a control method thereof. The mobile terminal of the present invention is characterized by comprising a case; at least one camera formed on at least one location among the front and rear of the case; at least one light output unit formed on at least one location among the front and the rear of the case and emitting light of multiple colors; and a control part changing at least one among light emission or color of at least one light output unit based on image taken by the camera. According to the present invention, operation of the light output unit can be controller based on taken image.
Patent KR-20150046963-A (KR)
Inventor: PARK GYUNG SOON
IPC: H01L51/52
Filed: 2013-10-23
Abstract: A flexible display device includes: a flexible base substrate, a semiconductor pattern, a gate electrode and a gate insulation layer interposed between the semiconductor pattern and the gate electrode which are formed on the base substrate, a conductive pattern which includes a source electrode and a drain electrode which overlap on both ends of the semiconductor pattern, an interlayer dielectric layer which is arranged between the gate electrode and the conductive pattern on the gate insulation layer and has at least one opening part for reducing stress which is formed on an exposed region by the conductive pattern, and a protection layer which is formed on the interlayer dielectric layer and fills the opening part for reducing stress.
Patent KR-20150052471-A (KR)
Title: The manufacturing method of rice cake that uses black glutinous rice
Inventor: CHOI KIL SUN
IPC: A23L7/10
Filed: 2013-11-06
Abstract: The present invention relates to a preparation method of rice cake by using black glutinous rice. More specifically, the preparation method of rice cake by using grains comprises the steps of: (a) immersing glutinous rice in water for one to 24 hours; (b) grinding black glutinous rice into powder; (c) grinding the mixture of the glutinous rice of the step (a), the black glutinous rice powder of the step (b) with salt and water in a grinding mill; (d) molding the product of the step (c) with walnuts and pine nuts into a predetermined shape; and (e) steaming the molded grains of the step (d) in a steamer for 30 minutes. The present invention can provide an excellent texture of rice cake by preparing rice cake with non-immersed black glutinous rice.
Patent KR-20150056739-A (KR)
Inventor: LEE OWN POU
IPC: H02J7/04
Filed: 2013-11-16
Abstract: The present invention relates to a charger equipped with a rechargeable secondary cell inside. More specifically, when a portable communication device is connected with the charger, it charges a secondary cell(a first battery) of a portable communication device and when the portable communication device is separated from the charger, it charges a secondary cell(a second battery) built in the charger. The invention can charge the secondary cell in the charger for the portable communication device without outside power source and when it has the outside power source, the secondary cell of the portable communication device can be instantly charged using the charger of the present invention.
Patent KR-20150061057-A (KR)
Inventor: JUNG YOUNG WOO
IPC: G06Q30/02
Filed: 2013-11-25
Abstract: The present invention relates to a device and method for advertisement service using remaining spaces within a screen and advertisement service system therefor. The present invention extracts color values of each pixel of a screen which captures a current execution screen, classifies a matrix of each pixel unit into group and unit matrixes, analyzes complexity of the screen color through loop statement and searches remaining spaces on the capture screen in the order of low complexity, thereby more accurately finding the remaining spaces through double loop statements, and exposing received advertisement data to be fitted to such remaining spaces. The present invention can find remaining spaces and expose appropriate advertisements even while a user executes webs or applications in a terminal device, reduce a phenomenon of the advertisements recklessly intruding output contents of the execution screen, and has an effect of properly finding empty spaces and exposing the advertisements in optimal sizes.
Patent KR-20150060143-A (KR)
Inventor: LEE JONG YEON
IPC: A47B49/00
Filed: 2013-11-26
Abstract: The present invention relates to a storage device for shoes. According to an embodiment of the present invention, a plurality of moving spaces (4) is formed in a body (2) of a storage device (1) for shoes, and openings (8) are formed on the front surface thereof. A driving motor (M) is installed on the bottom of each moving space (4). A pair of driving sprockets (10) driven by the driving motor (M) is coupled to the lower part of both side surfaces of the body (2). A pair of driven sprockets (11) is installed in the upper part of both side surfaces of the body (2) to be rotated while being separated from the driving sprockets (10) at a predetermined distance. The driving sprockets (10) and the driven sprockets (11) are connected to each other by roller chains (13). A plurality of receiving cases (20) vertically moving along the roller chains (13) and having a receiving space (21) to receive the shoes (S) is installed between the roller chains (13). The receiving case (20) has the low center of gravity not to be overturned while moving along the roller chains (13). Display devices (30) to display on a screen are installed on the front surface of the body (2) to store and draw out the shoes (S). Receipt dispensers (40) are installed to output receipts (41) on which user information is written. The present invention can make users easily store or draw out the shoes and can simultaneously store a plurality of shoes.
Patent KR-20150062423-A (KR)
Inventor: LEE SANG HUI
IPC: G06F17/50
Filed: 2013-11-29
Abstract: A method to analyze component information comprises steps of: selecting at least one component which needs an analysis, from a first database having information on names and mass of a plurality of components; obtaining 3D design information corresponding to the selected component from a second database having 3D design information of the components; obtaining center of mass and the moment of inertia of components by using the mass information and the 3D design information of the component; and updating the calculated center of mass and the moment of inertia of the component in the first database. As the method can obtain 3D design information corresponding to a component selected from the first database, credibility for the center of mass and the moment of inertia of the component can be improved.
Patent KR-20150064888-A (KR)
Inventor: ROH BYUNG HYUN
IPC: B44C1/18
Filed: 2013-12-04
Abstract: The present invention relates to a surface material with a variety of textures and stereo effects and a transplant method thereof which can directly plant textile on the surface material made of glass to express various types of textures. The surface material with a variety of textures and stereo effects according to the present invention is composed of: a base layer with an excellent magnetic attachment effect; an adhesive layer that is at least partially sprayed to the base layer; and a textile layer that is attached to the adhesive layer.
Patent KR-20150067478-A (KR)
Inventor: HWANG MOON JA
IPC: C08K5/521
Filed: 2013-12-10
Abstract: The present invention relates to a thermoplastic resin composition having excellent processability and a molded article prepared therefrom. More specifically, the present invention relates to a thermoplastic resin composition comprising: (A) a graft copolymer in which a vinyl cyanide compound and an aromatic vinyl compound are graft polymerized on a conjugated diene rubber having a large particle size; (B) a graft copolymer in which a vinyl cyanide compound and an aromatic vinyl compound are graft polymerized on a conjugated diene rubber having a small particle size; a vinyl cyanide compound-aromatic vinyl compound copolymer; a fluidity modifier; and an impact modifier, and to a molded article prepared therefrom. According to the present invention, provided are a thermoplastic resin composition having excellent fluidity, impact resistance, molding processability, chemical resistance and gloss, and a molded article prepared therefrom.
Patent KR-20150068122-A (KR)
Inventor: YOON GYE BUM
IPC: A23F5/00
Filed: 2013-12-11
Abstract: The present invention relates to a coffee composition capable of improving a bowel movement and alleviating constipation, and more particularly, to a coffee composition which contains lactic acid bacteria and lactitol together with coffee, thereby improving a bowel movement and providing an effect of preventing and alleviating constipation and thus a user can enjoy coffee as a favorite food while enhancing health.
Patent KR-20150069391-A (KR)
Inventor: KIM KI WOOK
IPC: G09G3/32
Filed: 2013-12-13
Abstract: Provided is a display device. It includes a display panel which includes pixels arranged with matrix type, a first power line and a second power line which apply driving power to the pixels, and a power supply part which supplies driving power to the first power line and the second power line. The first power line and the second power line are connected to one side of the display panel. the power supply part is connected to the other side.
Patent KR-20150069931-A (KR)
Inventor: KOO BON CHANG
IPC: F02D29/00
Filed: 2013-12-16
Abstract: The present invention discloses technology, capable of improving a starting noise and reducing a starting time when an MPI engine needs to be restarted after idle stoppage. The present invention includes a step of determining whether driving information satisfies an idle stoppage condition; a step of determining a cylinder approaching TDC by detecting an angle of a crank shaft when the idle stoppage condition is satisfied; a step of spraying fuel to an intake port in an intake stroke of the TDC approaching cylinder, and executing the idle stoppage in a compression stroke; a step of determining whether a restarting condition is satisfied during the idle stoppage; and a step of executing restart by controlling flame ignition in the compression stroke of the TDC approaching cylinder when the restarting condition is satisfied.
Patent KR-20150070529-A (KR)
Inventor: KANG JEONG SEEK
IPC: F02C7/12
Filed: 2013-12-17
Abstract: The purpose of the present invention is to provide an air foil of a gas turbine engine improving cooling efficiency of a front edge part of the air foil without increasing a cooling flow rate although a stagnation position of a combustion gas is changed. To this end, the air foil of a gas turbine engine comprises: a cooling flow passage formed inside the air foil and guiding a cooled air; and one or more narrow and long cooling slots penetrating the front edge part of the air foil toward the cooling flow passage and formed across with respect to a longitudinal direction of the front edge part.
Patent KR-20150073317-A (KR)
Inventor: JEON SUN HO
IPC: C22C38/04
Filed: 2013-12-21
Abstract: The present invention relates to a galvanized steel sheet with excellent weldability and a method for manufacturing the same. The galvanized steel sheet with excellent weldability comprises a matrix steel sheet containing 8-25 wt% of manganese (Mg), and a galvanized layer in at least one surface of the matrix steel sheet. Moreover, a nickel (Ni) layer whose adhesion amount is 500-5000 mg/m^2 between the matrix steel sheet and the galvanized steel sheet is comprised.
Patent KR-20150074366-A (KR)
Inventor: YOON JOONG SUN
IPC: G09G3/20
Filed: 2013-12-24
Abstract: The present invention provides a display device capable of minimizing a voltage drop of power supplied to a pixel. The display device according to the present invention includes a power generating unit which generates driving power, a display panel which includes a plurality of pixels to display an image by using the driving power, and a printed circuit board which includes a power transmitting wire to transmit the driving power outputted from the power generating unit to the display panel. The power transmitting wire is formed with a closed loop shape.
Patent KR-20150074445-A (KR)
Inventor: HER YOON
IPC: G06Q40/02
Filed: 2013-12-24
Abstract: 스마트 계좌 개설 방법 및 장치가 개시되어 있다. 스마트 계좌 개설 방법은 은행 서버가 사용자 장치의 접속 신호를 수신하고, 사용자 장치로 거래 업무 정보를 전송하는 단계, 은행 서버가 사용자 장치로부터 거래 업무 정보를 기반으로 생성된 계좌 개설 요청 정보를 수신하고, 계좌 개설 요청 정보에 대한 응답으로 사용자 장치로 계좌 개설 정보를 전송하는 단계, 은행 서버가 계좌 개설 정보에 대한 응답으로 사용자 장치로부터 상품 관련 정보 및 개인 정보를 수신하는 단계, 은행 서버가 사용자 장치로 추천 방문 지점 및 추천 방문 시간에 대한 정보를 전송하는 단계, 은행 서버가 추천 방문 지점 및 추천 방문 시간에 대한 응답으로 사용자 장치로부터 예약 방문 지점 및 예약 방문 시간에 대한 정보를 수신하고 예약 방문 지점, 예약 방문 시간 정보를 기반으로 예약 절차를 수행하는 단계와 은행 서버가 사용자 장치로부터 수신한 계좌 개설 정보, 상품 관련 정보 및 개인 정보를 기반으로 전자 문서를 생성하는 단계를 포함할 수 있다.
Patent KR-20150000388-A (KR)
Inventor: KIM JUN WON
IPC: H04N7/15
Filed: 2013-12-30
Abstract: A videoconference system includes a videoconference server to establish a videoconference session between a plurality of devices as the devices transmits or receives a message; and a relay server to relay message transmission/reception between a first device and the videoconference server by transmitting or receiving a first type message created according to a first communication protocol to or from the first device. In this case, the videoconference server can establish a videoconference session by transmitting or receiving a second type message created according to a second communication protocol to or from a second device.
Patent KR-20150078130-A (KR)
Inventor: SONG JI HWAN
IPC: G06F15/16
Filed: 2013-12-30
Abstract: A method for blocking contents of a user device in accordance with an embodiment of the present invention comprises the steps of: receiving a policy from a profile server; receiving a content access request; confirming a category including the content requested to be accessed; determining whether the confirmed category matches with a category which is set to be blocked in the policy; and blocking the contents requested to be accessed if the confirmed category matches with the category included in the policy.
Patent KR-20130032356-A (KR)
Inventor: ZHOU YINGPING
IPC: H04H20/06
Filed: 2011-01-07
Abstract: 본 발명에 따른 텔레비전 방송 신호의 송신 방법, 송신 센터, 기지국 및 시스템에 의하면 텔레비전 방송 송신의 자동화 운용 관리를 실현할 수 있다. 상기 방법은, 텔레비전 방송 송신 센터가 각 기지국의 동작을 제어하는 제어 정보를 확정하는 단계; 및 텔레비전 방송 네트워크를 통해 각 기지국에 대응하는 제어 정보를 송신하며 수신된 제어 정보에 따라 기지국의 동작을 제어하도록 각 기지국에 지시하는 단계를 포함한다.
Patent KR-20130094821-A (KR)
Inventor: SUZUKI AKITOSHI
IPC: C22C9/00
Filed: 2012-07-30
Abstract: 상태(常態)에 있어서의 기계적 강도가 크고, 300℃ 이상으로 가열하여도 열열화가 되기 어려운 전해 동합금박을 제공한다.  그 전해 동박은 텅스텐을 함유하고, 남은 부분이 동으로 이루어지는 전해 동합금박이다.  바람직하게는, 그 전해 동박은 동박중에 텅스텐을 동합금으로서 집어 넣고, 상온에서의 인장 강도 650MPa 이상, 300℃×1시간 열처리 후의 인장 강도 450MPa 이상, 도전율이 80% 이상이다.  더욱 바람직하게는, 전해 동박은 상온에서의 성장이 2.5% 이상, 300℃×1시간 후의 성장이 3.5% 이상이다.  그 전해 동박은 황산-황산구리계 전해액에 티오 요소계 화합물, 텅스텐염, 염화물 이온을 첨가하여, 전해 석출하는 것으로써 제조한다.
Patent KR-20130079535-A (KR)
Inventor: HORIUCHI YUKI
IPC: C08L23/10
Filed: 2011-07-26
Abstract: 본 발명의 목적은 내고온용융특성, 내 배터리 액성 및 내열노화성 모두가 우수한 내열전선용 수지조성물 및 내열전선을 제공하는 것이다. 
본 발명은 25 중량부 내지 60 중량부의 폴리페닐렌 에테르와, 15 중량부 내지 42 중량부의 `폴리프로필렌계 수지와, 8 중량부 내지 27 중량부의 스티렌계 엘라스토머와, 5 중량부 내지 15 중량부의 폴리아미드와, 1 중량부 내지 10 중량부의 산 변성 폴리올레핀을 포함하고, 상기 폴리아미드는 201℃ 이상의 용융점을 가지는 내열전선용 수지조성물 및 이 조성물을 이용한 내열전선에 관한 것이다.
Patent KR-20130139933-A (KR)
Inventor: FRANK MICHAEL
IPC: F28D15/02
Filed: 2011-09-19
Abstract: 본 발명은 초전도 기기의 냉각을 위한 장치 및 방법에 관한 것으로서, 2개 이상의 응축기 챔버(18, 18', 18")는 각각 콜드 헤드(16, 16', 16")와 열 접촉하고, 2개 이상의 응축기 챔버(18, 18', 18")는 각각 연결 라인(20, 20', 20")을 가지며, 상기 연결 라인에 의해 2개 이상의 응축기 챔버(18, 18', 18")가 증발기 챔버(12)와 유체 연결되어 있다.  2개 이상의 응축기 챔버(18, 18', 18")에서 온도차 및 이와 관련한 압력차에 의해 액상 냉각 유체(k)가 하나 이상의 응축기 챔버(18, 18', 18")로부터 증발기(12) 안으로 이동될 수 있거나 펌핑될 수 있다.
Patent KR-20130141502-A (KR)
Inventor: BRADFIELD MICHAEL D
IPC: H05K7/20
Filed: 2011-09-15
Abstract: 본 발명의 실시예는 전기 기계를 포함하는 전기 기계 모듈을 제공한다.  전기 기계는 복수 개의 고정자 연철판을 지닌 고정자 조립체를 포함한다.  복수 개의 고정자 연철판은 복수 개의 상이한 외경을 포함하고, 복수 개의 고정자 연철판 중 일부는 적어도 2개의 상이한 반경을 포함한다.  적어도 하나의 원주 방향 냉각제 채널 및 적어도 하나의 축방향 냉각제 채널이 복수 개의 고정자 연철판에 의해 형성될 수 있다.  적어도 하나의 원주 방향 냉각제 채널은 실질적으로 고정자 조립체의 원주 주위에 형성될 수 있고, 적어도 하나의 축방향 냉각제 채널은 실질적으로 고정자 조립체의 축방향 길이를 따라 형성될 수 있다.
Patent KR-20130067312-A (KR)
Inventor: KAWAMURA MASAHIRO
IPC: H01L51/50
Filed: 2010-12-15
Abstract: 본 발명은 하기 화학식 1로 표시되는 방향족 아민 유도체와 하기 화학식 I로 표시되는 안트라센 유도체를 함유하는 유기 발광 매체를 제공한다. 
<화학식 1> 
   
<화학식 I>
Patent KR-20130129940-A (KR)
Inventor: COGGIO WILLIAM D
IPC: G02B1/11
Filed: 2011-10-14
Abstract: 광학 확산 층은 결합제, 결합제 중에 분산된 복수의 금속 산화물 입자, 및 복수의 상호연결된 공극을 포함한다.  복수의 헤이즈 발생 입자가 결합제 중에 분산된다.  광학 확산 층은 유효 굴절률이 1.3 이하이다.
Patent KR-20140027060-A (KR)
Inventor: HIRAO YUHKO
IPC: C12Q1/30
Filed: 2011-11-09
Abstract: 분리 조작을 필요로 하지 않고, 간편하고 정확하게 검체 시료 내의 렘난트형 리포단백질 콜레스테롤을 정량하기 위한 방법 및 그것을 위한 키트가 개시되어 있다. 렘난트형 리포단백질을 포함하는 복수 종류의 리포단백질을 포함하는 검체 내의 렘난트형 리포단백질 콜레스테롤의 정량 방법은 (1) 렘난트형 리포단백질 이외의 리포단백질 내의 콜레스테롤을 소거하는 공정과, (2) 잔존하는 렘난트형 리포단백질 내의 콜레스테롤을 정량하는 공정을 포함한다. 공정(1)에 있어서 분자량이 40kDa을 초과하는 콜레스테롤 에스테라아제이고 분자량 40kDa 이하의 소단위를 갖지 않는 콜레스테롤 에스테라아제를 작용시키고, 공정(2)에 있어서 분자량이 40kDa y이하의 콜레스테롤 에스테라아제 또는 분자량 40kDa 이하의 소단위를 갖는 콜레스테롤 에스테라아제를 작용시킨다.
Patent KR-20130095782-A (KR)
Inventor: BALKENENDE ABRAHAM RUDOLF
IPC: H01L33/08
Filed: 2011-10-20
Abstract: 본 발명은 복수의 광원을 갖는 고체 상태 발광 디바이스를 제조하기 위한 방법을 개시하는데, 그 방법은 성장 표면을 갖는 기판을 제공하는 단계, 성장 표면 상에 마스크 층을 제공하는 단계 - 마스크 층은 성장 표면이 노출되게 하는 복수의 개구부를 갖고, 상기 개구부들 각각의 최대 측방향 치수는 0.3㎛ 미만이고, 마스크 층은, 동일한 표면적을 갖고 복수의 개구부를 포함하는 제1 마스크 층 부분 및 제2 마스크 층 부분을 포함할 수 있고, 제1 마스크 층 부분은 성장 표면의 노출된 면적과 성장 표면의 노출되지 않은 면적 사이의 제1 비율을 나타내고, 제2 마스크 층 부분은 성장 표면의 노출된 면적과 성장 표면의 노출되지 않은 면적 사이의 제2 비율을 나타내고, 제2 비율은 제1 비율과 다름 -; 마스크 층의 각각의 개구부 내의 성장 표면 상에 기저 구조체를 성장시키는 단계; 및 각각의 기저 구조체의 표면 상에 적어도 하나의 광 발생 양자 우물층을 성장시키는 단계를 포함한다.
Patent KR-20130088888-A (KR)
Inventor: TAMAZAKI DAISUKE
IPC: H03H9/145
Filed: 2011-12-13
Abstract: 불요파에 기인하는 주파수 특성의 저하가 억제된 탄성 표면파 장치를 제공한다. 
탄성 표면파 장치(1)는 압전 기판(21)과, 압전 기판(21) 위에 형성되어 있는 IDT 전극(22)과, 제1의 유전체층(23)과, 제2의 유전체층(24)을 포함하고 있다. 제1의 유전체층(23)은 압전 기판(21) 위에 형성되어 있다. 제1의 유전체층(23)은 산화규소로 이루어진다. 제2의 유전체층(24)은 제1의 유전체층(23) 위에 형성되어 있다. 제2의 유전체층(24)은 제1의 유전체층(23)보다도 빠른 음속을 가진다. 탄성 표면파 장치(1)는 제3의 유전체층(25)을 더 포함하고 있다. 제3의 유전체층(25)은 제1의 유전체층(23)과 압전 기판(21) 사이에 형성되어 있다. 제3의 유전제층(25)은 압전 기판(21)의 표면(21a) 및 IDT 전극(22)의 상면(22a) 및 측면(22b,22c)을 덮고 있다.