baber/WOPTO huggingface dataset:
Patent KR-20210040550-A (KR)
Title: Method and apparatus for random access in communication system
Inventor: PARK JI SOO
IPC: H04W74/00
Filed: 2019-10-04
Abstract: Disclosed are a method and an apparatus for random access in a communication system. The random access method comprises: a step of receiving PRACH configuration information shared with one or more terminals including a first terminal from a base station; a step of transmitting a first RA preamble to the base station based on the PRACH configuration information; a step of performing a monitoring operation for receiving a first RAR identified with a first RA identification (ID) made based on the location of a resource transmitted by the first RA preamble by responding to the first RA preamble if the first RA preamble is transmitted; and a step of acquiring the first RAR for the first terminal from one or more RARs identified with the same RA identification (ID) as the first RA identification (ID) in the monitoring operation. Therefore, the performance of a communication system can be improved.
Patent KR-20210042755-A (KR)
Title: Heating device including hood
Inventor: CHOI YOUNG HWAN
IPC: F24C15/20
Filed: 2019-10-10
Abstract: The present disclosure discloses a heating device including a hood providing light to a user interface of an electric range. According to the technical idea of the present disclosure, the heating device comprises: a user interface including a display panel capable of a touch input; a hood including a lighting device providing light to the user interface; and a control unit receiving a command according to a user input from the user interface and controlling the user interface and hood. The control unit controls the display panel to display a first virtual power key when a touch input of the user is sensed more than a first reference time in the display panel in a standby mode and controls the lighting device of the hood to be turned on when the touch input of the user for the first virtual power key is sensed within a second reference time.
Patent KR-20210050886-A (KR)
Title: Steam generator
Inventor: KANG YUN SOO
IPC: F22B1/28
Filed: 2019-10-29
Abstract: The present invention relates to a steam generator which converts water (1) into steam (3) to produce steam. The steam generator comprises: a body (10) storing water (1) in a supply pipe (11) connected to a water pump (2), and having a water level adjustment sensor (12) and a steam discharge pipe (13) on the upper end thereof; a steam generation means (20) provided to be accommodated on one side of the body (10), and having a heating body (21) for generating steam (3) by heat; a pressure adjustment means (30) fixed and coupled to the body (20), and adjusting the pressure of steam (3) produced therein; and a control means (40) connected to the water pump (2), the body (10), the steam generation means (20), and the pressure adjustment means (30) to control the entire process of steam (3) production. Accordingly, the present invention accommodates the heating body in a space separated from and integrated with the body to facilitate attaching/detaching and replacement work, adjusts the level of pressure while indirectly releasing water stored therein by heat to be used in various fields, produces pure steam in which foreign substances are not included to prevent pollution problems, and can automatically control the entire process from water supplying to steam production and pressure adjustment through the control means and the provided components.
Patent KR-20210054634-A (KR)
Title: Golf target target with pressure sensing conductive cloth
Inventor: CHOI HYUN JIN
IPC: A63B24/00
Filed: 2019-11-05
Abstract: The present invention relates to a mark target for golf practice, which is installed in a driving range and a personal golf driving range to efficiently perform golf practice, and detects (method for detecting change in the resistance value due to hitting pressure) a hitting position hit on a mark target (pressure-sensitive conductive sheet) after a golfer hits a golf ball, so that it is possible to efficiently improve correct hitting practice of golf practitioners to help the golf practitioners improve their hitting accuracy and concentration in golf practice by guiding and expressing hit information through a display unit, a speaker's audio output unit, an LED light emitting unit, etc.
Patent KR-20210061519-A (KR)
Inventor: JUNG HYUN DO
IPC: A61L27/56
Filed: 2019-11-19
Abstract: The present invention provides a polyetheretherketone (PEEK) substrate comprising: a PEEK substrate; and a hydroxyapatite (HA) coating layer comprising HA formed on the surface of the PEEK substrate, wherein the HA coating layer has a porous nanocomposite structure. The HA coating layer of the porous nanocomposite structure has improved interfacial stability and bio-properties, and can be applied to implants with improved fusion ability with surrounding bone tissue when implanted in the body.
Patent KR-20210062938-A (KR)
Title: Packaged Exhaust Gas Purifier
Inventor: KIM YONG SUB
IPC: B01D47/06
Filed: 2019-11-22
Abstract: The present invention relates to a packaged exhaust gas purification device, and more specifically, to a packaged exhaust gas purification device, wherein the exhaust gas purification device and a control space for monitoring control and operation of the exhaust gas purification device are packaged and provided in a cage, work is easy when installing or replacing a scrubber, wiring from the purification device to the control unit or the monitoring unit is simple so disassembly and reinstallation such as reinstallation of the scrubber is simple, and the operation of the scrubber can be recognized from a short distance to improving accessibility.
Patent KR-20210065760-A (KR)
Title: Power semiconductor device and method of fabricating the same
Inventor: HA JEONG MOK
IPC: H01L29/417
Filed: 2019-11-27
Abstract: According to an aspect of the present invention, a power semiconductor element comprises: a semiconductor layer; at least one trench which is formed to be recessed by a predetermined depth from a surface of the semiconductor layer into the semiconductor layer; a gate insulating layer including a well region defined in the semiconductor layer on one side of the at least one trench, a floating region defined in the semiconductor layer on the other side of the at least one trench, and a sidewall portion which is formed on a sidewall of the at least one trench and includes a sidewall portion, wherein a thickness of a portion of the sidewall portion adjacent to the floating region is thicker than a thickness of a portion of the sidewall portion adjacent to the well region; and a gate electrode layer formed on the gate insulating layer to fill the at least one trench. Therefore, the power semiconductor element can suppress negative gate charging phenomena.
Patent KR-20210066612-A (KR)
Title: Electronic device and method for estimating conecntartion of particles of dust
Inventor: KIM DONG HWAN
IPC: G01N15/06
Filed: 2019-11-28
Abstract: An electronic device according to various embodiments has a container-type housing in which plants can be grown. The electronic device may include a sensor for measuring reduction of dust particles contained in air by the plant. The sensor may be disposed in an internal space of a housing of the electronic device. The electronic device may further include at least one fan for supplying air from the external space to the internal space. The information measured by the sensor may be displayed in a visual form through a display included in the electronic device. The information measured by the sensor may be transmitted to an external electronic device connected to the electronic device by wire and/or wirelessly.
Patent KR-20210069980-A (KR)
Title: Radioactivity detector, manufacturing method of the same, and use of the same
Inventor: KIM SUNG KYU
IPC: G01T1/24
Filed: 2019-12-04
Abstract: An example of the present invention provides a radioactivity detector having a structure in which an intermediate layer made of a metal oxide or a non-metal oxide and an n-type semiconductor layer are sequentially stacked on one surface of a p-type semiconductor layer. The radioactivity detector according to the present invention has the diode characteristics, is not affected by ultraviolet rays, visible rays, infrared rays, etc., generates a tunneling effect to measure the radioactivity of various nuclides, such as gamma rays, X-rays, and neutrons, and has very good radioactivity detection sensitivity. In addition, the radioactivity detector according to the present invention can be utilized as a portable detector or a precision detector. In addition, a manufacturing method of the radioactivity detector according to the present invention is advantageous for mass production of the radioactivity detector because the manufacturing method uses a semiconductor process such as a semiconductor substrate and thin film deposition that are commonly used, and is economical since the manufacturing method can lower the production cost.
Patent KR-20210076557-A (KR)
Title: Destination matching system and method of controlling the same
Inventor: LEE JEONG WON
IPC: G01C21/36
Filed: 2019-12-16
Abstract: The present invention relates to a destination matching system and a method of controlling the same. More specifically, the present invention relates to a destination matching system and a method of controlling the same, which are able to match and provide a destination name which can be easily recognized in accordance with characteristics of a user. In accordance with an embodiment of the present invention, a method of providing a guide name can comprise: a step of acquiring destination information from a destination inputter device; a step of checking one or more targets for providing the guide name on the acquired destination name; a step of determining the guide name based on at least one of the characteristics information, address corresponding to the destination information, and situation element for each of the one or more targets for providing the guide name; and a step of transmitting the guide name determined for each of the one or more targets for providing the guide name to each device of targets corresponding to each of the one or more targets for providing the guide name.
Patent KR-20210076783-A (KR)
Title: Apparatus for managing plant cultivation and method thereof
Inventor: YOO KI SUK
IPC: A01G9/02
Filed: 2019-12-16
Abstract: The present invention relates to a device for plant cultivation management. According to an embodiment of the present invention, in a cultivation facility including a cultivation space and a management space adjacent to the cultivation space, the cultivation space is divided into unit cultivation regions where shelves are disposed for loading flowerpots with plants. The device includes: a body; wheels moving the body; a communication unit for communication with the flowerpots; a moving unit driving the wheels; a lift for lifting the shelves; and a control unit performing humidity and battery level collection from the flowerpots through the communication unit. When a flowerpot in which either the humidity or the battery level is less than a preset threshold is detected, the control unit moves the body by controlling the moving unit such that a shelf loaded with the specific flowerpot is lifted by the lift and then the lifted shelf is moved to the management space.
Patent KR-20210077216-A (KR)
Title: The method of manufacturing bread contained sweet pumpkin and red rice
Inventor: KIM SUN OK
IPC: A21D8/06
Filed: 2019-12-17
Abstract: The present invention relates to a method for manufacturing chewy bread containing sweet pumpkin and red yeast rice. The method includes: a sweet pumpkin and red yeast rice chewy bread dough preparation step in which dough as a mixture of 40 to 46 wt% of strong rice flour, 2 to 4 wt% of red yeast rice flour, 3 to 6 wt% of sugar, 0.4 to 1.5 wt% of salt, 0.5 to 1.5 wt% of powdered milk, 3 to 5 wt% of butter, 1 to 3 wt% of yeast, 3 to 7 wt% of egg, 5 to 9 wt% of fermented species, 7 to 11 wt% of fresh dough, and 22 to 27 wt% of water is fermented for 40 minutes in a fermentation chamber 25 degrees Celsius in temperature and 45 to 60% in humidity, punching is performed after the fermentation, and then secondary fermentation is performed for 30 minutes after division and vinyl covering; a sweet pumpkin stuffing preparation step in which a modified material of 46 to 52 wt% of boiled sweet pumpkin, 16 to 21 wt% of glutinous rice powder, 7 to 11 wt% of sugar, 3 to 6 wt% of corn syrup, 0.3 to 0.8 wt% of salt, 4 to 8 wt% of shortening, 2 to 4 wt% of egg, 2 to 4 wt% of cream cheese, 4 to 7 wt% of soft cream, and 2 to 5 wt% of grain is mixed in a mixer; a forming step in which 41 to 46 wt% of fermented and divided red yeast rice chewy bread dough is pushed long with a push rod for a smooth, long, and elliptical surface, 32 to 37 wt% of sweet pumpkin stuffing is applied to the upper surface of sticky rice, the dough is pulled and rolled into a doughnut form, and then the upper end surface of the dough is cut with scissors eight times with 10 to 14 wt% of nuts scattered or applied; and a firing step in which the red yeast rice glutinous rice form prepared through the forming step is fermented for 40 minutes in a fermentation chamber 25 degrees Celsius in temperature and 45 to 60% in humidity and then roasted for 20 minutes, at 165 degrees Celsius, and in a convention oven.
Patent KR-20210078162-A (KR)
Inventor: HAN JONG HAK
IPC: F21S9/02
Filed: 2019-12-18
Abstract: The present invention relates to a fish collection lamp with an excellent fish collection effect. According to the present invention, the inner space of an upper case is divided into upper and lower spaces and a sound generating tool is positioned in the upper space. As a result, a sound is generated along with light emitted from a light-emitting unit and the effect of fish collection can be enhanced. The present invention includes: a lower case (20) having an inner space (21) accommodating a battery unit (70); an upper case (30) coupled to the upper side of the lower case (20) and having an inner space (31) inside; a light-emitting unit (40) having a substrate (41) accommodated in the inner space (31) of the upper case (30), coupled to the substrate (41), and having light-emitting diodes (42); a partition unit (50) positioned above the light-emitting unit (40) and dividing the inner space (31) of the upper case (30) into an upper space (32) and a lower space (33); and a sound generating tool (60) positioned above the upper space (32) divided by the partition unit (50) and generating a sound based on movement.
Patent KR-20200101263-A (KR)
Inventor: CHOI HEEJUN
IPC: G09F9/30
Filed: 2019-12-19
Abstract: According to various embodiments, a method for operating an electronic device including a foldable housing which causes a first portion and a second portion of a display to face each other in a folded state and to be directed in the same direction in an unfolded state, and an illuminance sensor which is disposed on a surface on which the second portion is formed may include the operations of: determining an angle formed by the first portion and the second portion using data received from an angle detecting sensor; checking a reference value corresponding to the determined angle in a lookup table; correcting a first illuminance value from the illuminance sensor using the checked reference value; and controlling brightness of the display based on the corrected first illuminance value at least in part. In addition, various embodiments are possible, thereby preventing control of the display by misrecognizing the brightness around the electronic device.
Patent KR-20210081787-A (KR)
Title: Printed circuit board and display device having the same
Inventor: SUNGYOUNG KIM
IPC: H01L27/32
Filed: 2019-12-24
Abstract: Provided is a display device, which includes a first electronic component, a second electronic component, and a signal transmission member electrically connecting the first electronic component and the second electronic component. The signal transmission member includes a first line, a second line, a first pad, and a second pad. The first pad extends from the first line and gradually increases in width as it moves away from the first line. The second pad extends from the second line, increases in width as it moves away from the second line, is disposed between the first pad and the second line, and is spaced apart from the first pad.
Patent KR-20210081891-A (KR)
Title: Semiconductor package
Inventor: SEO SUN KYOUNG
IPC: H01L23/498
Filed: 2019-12-24
Abstract: The technical idea of the present invention provides a semiconductor package. The semiconductor package includes a package substrate; a lower semiconductor device disposed on the package substrate and including a first through electrode; a first lower connection bump disposed between the package substrate and the lower semiconductor device and electrically connecting the package substrate and the first through electrode; a connection substrate disposed on the package substrate and including a second through electrode; a second lower connection bump disposed between the package substrate and the connection substrate and electrically connecting the package substrate and the second through electrode; and an upper semiconductor device disposed on the lower semiconductor device and electrically connected to the first through electrode and the second through electrode. An object of the present invention is to provide a semiconductor package having improved heat dissipation characteristics.
Patent KR-20210084986-A (KR)
Title: automatic cleaning apparatus for storage box
Inventor: BAEK SUNG MIN
IPC: B08B9/42
Filed: 2019-12-30
Abstract: The present invention relates to an automatic cleaning apparatus for a storage box made of a composite resin to include a bottom surface and side wall portions to form accommodation space with the top opened in order to enhance cleaning performance. The automatic cleaning apparatus for a storage box according to the present invention comprises: a base frame extended in a lengthwise direction and opened at the front and rear sides to have transfer space where the storage box is introduced while turned upside down to have the bottom surface disposed upward; transfer units disposed symmetrically at both sides of the transfer space in the lengthwise direction to come in contact with both sides of the storage box in order to deliver transfer force, wherein the center portion thereof communicates with a mounting space in the lower side of the base frame and a support means for supporting the opened state of the storage box is arranged; a foreign material separation unit disposed on the base frame at the upper part of the transfer space to have a vibrator unit for providing vibration force to the bottom surface of the storage box and a brush unit for sweeping off foreign materials from the bottom surface of the storage box; air cleansing units disposed on the upper and lower base frames of the transfer space to include first air discharge units for spraying compressed air to the storage box, second air discharge units spaced apart from each other in the lengthwise direction of the mounting space to spray swirl air to the inside of the storage box, and dust collection units for sucking the foreign materials; and an ion blowing unit disposed at the rear end of the transfer space to spray ions to the storage box in order to neutralize the storage box.
Patent KR-20210086105-A (KR)
Title: Composition of an environmental barrier layer and structure comprising the environmental barrier layer
Inventor: LEE KEE SUNG
IPC: C04B35/185
Filed: 2019-12-31
Abstract: In one embodiment of the present invention, disposed is an environment resistant barrier layer composition comprising mullite, a first crack healing agent, and a second crack healing agent which is different from the first crack heating agent, wherein the first crack healing agent is ytterbium silicate (Yb_2SiO_5) and the second crack healing agent comprises at least one of Ti_2AlC, Cr_2AlC, Ti_2AlN, and Ti_3AlC. According to the present invention, damage of heat resistant part can be prevented.
Patent KR-20190034551-A (KR)
Title: 레이더 시스템에서의 고장 검출
Inventor: SUBBURAJ KARTHIK
IPC: G01S7/40
Filed: 2017-08-07
Abstract: 설명된 예들에서, 레이더 시스템은 복소 기저 대역을 포함하는 수신 채널(104); 및 복소 기저 대역의 대역 내(I) 채널로부터 제1 디지털 중간 주파수(IF) 샘플들을 수신하고 복소 기저 대역의 쿼드러처(Q) 채널로부터 대응하는 제2 디지털 IF 샘플들을 수신하기 위해 수신 채널(104)에 결합된 프로세서(106)를 포함한다.  프로세서(106)는 제1 디지털 IF 샘플들 및 제2 디지털 IF 샘플들에 기초하여 적어도 하나의 고장 메트릭을 계산하기 위한 명령어들을 실행하도록 구성된다.
Patent KR-20190019219-A (KR)
Title: 모체 혈장으로부터의 비침습적 산전 분자 핵형분석
Inventor: CHIU WAI KWUN ROSSA
IPC: C12Q1/6827
Filed: 2014-01-09
Abstract: 태아의 게놈에서 미세증폭 또는 미세결실을 검출하기 위한 방법, 시스템 및 장치가 본 명세서에 개시되어 있다. 몇몇 실시형태에서, 상기 방법은 생물학적 샘플에서 복수의 DNA 단편의 각각에 대해 서열 태그를 수취하는 단계; 서열 태그에 대해서 게놈 위치를 결정하는 단계; 복수의 게놈 구역의 각각에서 DNA의 밀도가 비정상적으로 높거나 낮은지를 결정하는 단계; 비정상적으로 높은 밀도를 갖는 연속 게놈 구역 세트를 미세증폭으로서 확인하는 단계; 및 비정상적으로 낮은 밀도를 갖는 연속 게놈 구역 세트를 미세결실로서 확인하는 단계를 포함한다. 생물학적 샘플은 태아를 임신한 암컷 대상체로부터 비침습적으로 얻은 혈액 샘플일 수 있다.
Patent KR-20190039198-A (KR)
Title: 니켈, 코발트를 함유하는 용액의 제조 방법
Inventor: OHARA HIDEKI
IPC: C22B26/20
Filed: 2017-09-01
Abstract: 본 발명은 니켈, 코발트, 및 칼슘을 함유하는 황산 산성 용액으로부터, 황산니켈 및 황산코발트의 혼합 용액과, 고순도의 황산니켈 용액의 2개의 용액을 동시에 얻을 수 있는 용액의 제조 방법을 제공한다. 본 발명의 용액의 제조 방법은, 니켈, 코발트, 및 칼슘을 함유하는 황산 산성 용액을 이용하여, 황산 산성 용액으로부터 황산니켈 및 황산코발트의 혼합 용액을 제조하는 제1 공정(S1)과, 황산 산성 용액으로부터 황산니켈의 용액을 제조하는 제2 공정(S2)을 병렬하여 행한다. 제1 공정에서는, 황산 산성 용액을 추출제에 의해 용매 추출하여, 칼슘을 포함하는 제1 추출후 유기 용매와, 니켈 및 코발트를 포함하는 제1 추출 잔액을 얻는다. 제2 공정에서는, 황산 산성 용액을 추출제에 의해 용매 추출하여, 코발트 및 칼슘을 포함하는 제2 추출후 유기 용매와, 니켈을 포함하는 제2 추출 잔액을 얻는다.
Patent KR-20190035894-A (KR)
Title: 오일 주입식 압축기 또는 진공 펌프의 출구 온도를 제어하기 위한 방법 및 이러한 방법을 구현하는 오일 주입식 압축기 또는 진공 펌프
Inventor: COECKELBERGS Joeri
IPC: F04B49/06
Filed: 2017-08-08
Abstract: 본 발명은 가스 입구(5), 요소 출구(6), 및 오일 입구(12)를 구비한 압축기 또는 진공 요소(4)를 포함하는 오일 주입식 압축기 또는 진공 펌프(1)의 출구 온도를 제어하기 위한 방법에 관한 것으로서, 상기 방법은 - 요소 출구(6)에서의 출구 온도(T out )를 측정하는 단계; - 상기 오일 입구(12)에 접속된 냉각 유닛(13)을 통해 유동하는 오일의 유동을 조정하기 위해 조절 밸브(15)의 위치를 제어하는 단계를 포함하고, 여기서 조절 밸브(15)의 위치를 제어하는 단계는 측정된 출구 온도(T out )에 퍼지 논리 알고리즘을 적용하는 것을 수반하고; 방법은 퍼지 논리 알고리즘을 적용함으로써 그리고 또한 조절 밸브(15)의 위치에 기초하여 냉각 유닛(13)을 통해 유동하는 오일을 냉각하는 팬(21)의 속도를 제어하는 단계를 더 포함한다.
Patent KR-20190032608-A (KR)
Title: 엘리베이터 제어 장치 및 엘리베이터 제어 방법
Inventor: ITOU NORIKAZU
IPC: B66B5/00
Filed: 2017-06-21
Abstract: 엘리베이터에 있어서의 권상기의 제동 장치의 제동 능력 진단시에, 필요한 모터 토크를 저감하여 전원 공급 기기에 가해지는 데미지를 억제한다.  엘리베이터의 승강로 내에 배치된 카가 제동 장치에 의해 정지 보지되어 있는 상태에서, 브레이크 제어부에 의해 제동 장치에 흡인력을 인가하여 부세력을 저감한 상태에 있어서, 모터 제어부에 의해 권상기의 모터에 모터 토크를 발생시켜서 모터를 회전시킨다.  이 때 인가한 흡인력과 모터 토크를 검출하는 동시에, 인가한 흡인력과 모터 토크, 및 부하 검출기보다 검출한 부하 토크의 값에 기초하여 제동 장치의 제동 능력을 검출한다.
Patent KR-20190052092-A (KR)
Title: 광 치료 장치
Inventor: LIU MUQING
IPC: A61N5/06
Filed: 2017-09-29
Abstract: 광 치료 장치가 개시된다. 광 치료 장치는 회로 기판, 광원 및 광선이 통과할 수 있는 확산 모듈을 포함한다. 상기 광원은 상기 회로 기판의 주 표면 상에 배치된다. 상기 회로 기판은 상기 광원에 동작 전원을 제공하기 위해 사용되어, 상기 광원은 상기 주 표면으로부터 멀어지는 방향으로 광선을 방출할 수 있다. 상기 확산 모듈은 상기 주 표면이 대향하는 일측에 배치되어 상기 광원으로부터 방출된 광선이 광 치료 부위에 도달하기 전에 우선 상기 확산 모듈을 통과할 수 있다. 상기 확산 모듈은 광선이 통과할 수 있는 재료로 되어 있다. 상기 확산 모듈은 상기 확산 모듈을 통과한 광선을 확산시킬 수 있으므로, 상기 광원으로부터 방출된 광선이 상기 확산 모듈로부터 방출될 때의 출사각은 상기 광원으로부터 방출된 광선이 상기 확산 모듈로 입사될 때의 입사각보다 크다. 광원으로부터 방출된 광선을 확산시키는 확산 모듈에 의해, 광원의 광선을 방출하는 발광 표면은 보다 균일하고, 광 치료 부위에서 수렴된 광 스폿을 형성할 가능성이 낮아서 사용자 경험을 향상시킨다.
Patent KR-20190058534-A (KR)
Title: 조타 제어 장치
Inventor: ITOU TAKAHIRO
IPC: B62D3/12
Filed: 2017-11-01
Abstract: 조타 제어 장치는, 자동 조타 제어량을 생성하는 자동 조타 제어기와, 수동 조타 제어량을 생성하는 수동 조타 제어기를 구비하고, 자동 조타 모드 및 수동 조타 모드 중 어느 한쪽을 선택하여 전동기를 제어한다.  그리고 자동 조타 모드에 의한 제어 중에 조타 토크가 소정값을 초과하면, 수동 조타 제어기는, 초과 시를 기준으로 하는 상기 수동 조작량의 변화에 기초하는 수동 조타 제어량 변화를 생성한 후에 조타 토크에 기초하는 수동 조타 제어량을 생성하고, 초과 시의 자동 조타 제어량에 수동 조타 제어량 변화를 가산한 제어량에 기초하여 전동기를 제어한 후에 수동 조타 모드에 의하여 전동기를 제어한다.
Patent KR-20190056406-A (KR)
Title: 탄성파 장치, 고주파 프론트 엔드 회로 및 통신 장치
Inventor: TANIGUCHI YASUMASA
IPC: H03H9/145
Filed: 2017-10-13
Abstract: 종모드의 리플이 작으면서 대역 내 손실이 작은 탄성파 장치를 제공한다. 탄성파 소자 기판 상에 복수개의 전극지(11, 12)를 가지는 IDT 전극(2)과, 반사기(3, 4)가 마련되어 있고, 반사기(3, 4)의 적어도 1개의 전극지(16, 26)가 길이 방향에서 상대적으로 두께가 두꺼운 부분과 얇은 부분을 가지고 있으며, 반사기의 두께가 두꺼운 부분이 IDT 전극(2)의 전극지 부분의 두께보다도 두껍게 되어 있는, 탄성파 장치(1).