公开(公告)号：WO2023090699A1

公开(公告)日：2023-05-25

申请号：PCT/KR2022/016969

申请日：2022-11-02

Applicant: (주)비올 ,  재단법인대구경북과학기술원 ,  (주)동일기연

Inventor： 장진호 ,  김진우 ,  김주환 ,  라종주 ,  이덕규 ,  김정필

IPC: A61N7/02 ,  B06B1/06 ,  A61N7/00

Abstract: 본 개시의 일 실시 예에 따른 고강도 집속 초음파 프로브의 제조 방법은 전기적 신호를 입력 받아 초음파를 발생시키는 트랜스듀서 모듈에서 발생된 초음파의 집속 방향인 제1 축 방향으로 오목한(concave) 형태를 갖는 복수의 트랜스듀서 소자들이 커프(kerf)를 사이에 두고 제1 축과 수직인 제2 축 방향으로 배치되도록 트랜스듀서 모듈을 제작하는 단계 및 트랜스듀서 모듈에 전기적 신호를 입력하는 회로를 배치하는 단계를 포함하고, 복수의 트랜스듀서 소자들 각각은 전기적 신호를 입력 받아 발생하는 초음파가 소정의 지점에 집속되도록 야기하는 기하학적 구조로 형성되고, 제1 축 방향 및 상기 제2 축 방향에 수직인 제3 축 방향의 길이가 제2 축 방향의 길이보다 긴 형상을 가질 수 있다.

公开(公告)号：WO2023043450A1

公开(公告)日：2023-03-23

申请号：PCT/US2021/050795

申请日：2021-09-17

Applicant: HALLIBURTON ENERGY SERVICES, INC.

Inventor： ZHAO, Jiajun ,  JIN, Jing ,  WANG, Ruijia ,  CHANG, Chung

IPC: G01V1/46 ,  G01V1/50 ,  G01V1/02 ,  G01V1/34 ,  E21B47/18 ,  B06B1/06

Abstract: An acoustic transducer includes a substrate element having a first side, and a second side opposite the first side. The acoustic transducer also includes first and second piezoelectric elements coupled to the first side, and third and fourth piezoelectric elements coupled to the second side. The first piezoelectric element has a first polarity, and the second piezoelectric element has a second polarity different than the first polarity. The third piezoelectric element has a third polarity, and the fourth piezoelectric element has a fourth polarity different than the third polarity.

公开(公告)号：WO2023030290A1

公开(公告)日：2023-03-09

申请号：PCT/CN2022/115702

申请日：2022-08-30

Applicant: 青岛海尔洗衣机有限公司 ,  AQUA株式会社 ,  海尔智家股份有限公司

Inventor： 永井孝之 ,  谷越修

IPC: D06F35/00 ,  B08B3/12 ,  B08B7/02 ,  A47L25/00 ,  B06B1/06

Abstract: 本发明提供一种能够向喷射对象物喷射适量的液体的喷雾装置及具备该喷雾装置的超声波洗净机。本发明的超声波洗净机具备：超声波振动部，具有与超声波振子(32)连结的变幅杆(31)；控制装置，控制超声波振动部；电池，向控制装置供电；贮槽，用于容纳水；以及水供给泵，用于将容纳于贮槽的水供给至超声波振动部，在用于将由水供给泵吐出的水引导向变幅杆(31)的前端面(31a)的路径中，设有对要供给向变幅杆(31)的前端面(31a)的水的量进行调整的调整部(A)。

公开(公告)号：WO2023028562A1

公开(公告)日：2023-03-02

申请号：PCT/US2022/075468

申请日：2022-08-25

Applicant: INVENSENSE, INC. ,  BALDASARRE, Leonardo ,  COLOMBO, Alessandro ,  CONFALONIERI, Federica ,  TRAVAGLIATI, Marco

Inventor： BALDASARRE, Leonardo ,  COLOMBO, Alessandro ,  CONFALONIERI, Federica ,  TRAVAGLIATI, Marco

IPC: B06B1/06 ,  H01L41/047 ,  G01H11/08

Abstract: An ultrasonic transducer device including a substrate, an edge support structure connected to the substrate, and a membrane connected to the edge support structure such that a cavity is defined between the membrane and the substrate, the membrane configured to allow movement at ultrasonic frequencies. The membrane includes a structural layer, a piezoelectric layer having a first surface and a second surface, a first electrode placed on the first surface of the piezoelectric layer, wherein the first electrode is located at the center of the membrane, a second electrode placed on the first surface of the piezoelectric layer, wherein the second electrode is a patterned electrode comprising more than one electrode components that are electrically coupled, and a third electrode coupled to the second surface of the piezoelectric layer and electrically coupled to ground.

公开(公告)号：WO2023027508A1

公开(公告)日：2023-03-02

申请号：PCT/KR2022/012664

申请日：2022-08-24

Applicant: 고려대학교 산학협력단

Inventor： 염정열 ,  구자현 ,  강승균 ,  김기헌 ,  박유승

IPC: A61B8/00 ,  A61B8/08 ,  A61M37/00 ,  A61L31/14 ,  A61L27/58 ,  B06B1/06 ,  H01L41/18 ,  H01L41/187 ,  H01L41/09

Abstract: 본 발명은 사용환경에서 자연적으로 분해되는 분해성 초음파 변환자에 관한 것으로, 본 발명의 실시예에 따른 분해성 초음파 변환자는 분해성 압전소자를 포함하는 압전층(10), 압전층(10)의 일측에 배치되는 분해성 제1 전극(20), 및 압전층(10)의 타측에 배치되는 분해성 제2 전극(30)을 포함한다.

公开(公告)号：WO2023009512A1

公开(公告)日：2023-02-02

申请号：PCT/US2022/038326

申请日：2022-07-26

Applicant: TESSONICS CORP.

Inventor： MAEV, Roman Gr. ,  OUELLETTE, Andrew ,  CHERTOV, Andriy

IPC: B23K11/11 ,  B06B1/06 ,  B23K11/30 ,  B23K11/36 ,  B23K31/12 ,  G01N29/06 ,  G01N29/24

Abstract: The present application relates to a spot-welding electrode assembly (11) which includes an electrode (12), an electrode cap (14) at an outer end of the electrode (12), and a plurality of transducer elements (24) positioned inward of the electrode cap (14). The transducer elements (24) may be micro-elements. A method for monitoring a weld formed by a spot-welding system (10) includes passing current from an electrode assembly (11, 29) through a stack-up (40), transmitting an ultrasonic wave from each of a plurality of sources (24) in the electrode assembly (11) to a plurality of points in the stack-up (40, and monitoring the ultrasonic waves to monitor the weld formation.

公开(公告)号：WO2023287711A1

公开(公告)日：2023-01-19

申请号：PCT/US2022/036700

申请日：2022-07-11

Applicant: ROBERT BOSCH GMBH ,  YEE, Seow Yuen ,  PETKOV, Vladimir ,  BOECKER, Matthias ,  SCHARY, Timo

Inventor： YEE, Seow Yuen ,  PETKOV, Vladimir ,  BOECKER, Matthias ,  SCHARY, Timo

IPC: B06B1/06 ,  G10K11/00 ,  G10K11/18

Abstract: An ultrasound transducer, wherein the ultrasound transducer includes a membrane including a top portion and a bottom portion, wherein the membrane is configured to vibrate and generate an ultrasound in response to voltage applied the transducer, wherein the membrane includes a perimeter including a plurality of sides and a top surface and a bottom surface with one or more feet extending away from the bottom surface; and a support member that attaches to and connects to the membrane and supports the membrane, wherein the support member includes one or more platforms extending to and attaching to the membrane and a substrate, wherein a first end of the platform connects to the membrane and includes a support portion, wherein the support portion away from the platform, wherein the platform includes the one or more piezoelectric layers, wherein the one or more platforms support and surround the membrane.

公开(公告)号：WO2023275843A1

公开(公告)日：2023-01-05

申请号：PCT/IB2022/056149

申请日：2022-07-01

Applicant: ARECO FINANCES ET TECHNOLOGIES-ARFITEC

Inventor： DECORDE, Nicolas ,  GSCHWIND, Michel

IPC: H01L41/047 ,  B06B1/06 ,  B05B17/06 ,  B05B17/0615 ,  B05B17/0669 ,  B06B1/0651 ,  H01L41/0475

Abstract: Élément piézoélectrique pour dispositif d'émission d'ondes acoustiques, comprenant une plaquette (21) en un matériau piézoélectrique de forme sensiblement cylindrique, ladite plaquette comprenant sur la face d'émission d'ondes acoustiques une première couche de conductivité métallique capable d'agir comme première électrode (2), formant un disque et s'étendant sur au moins 70 % de la superficie de ladite face avant, ladite plaquette comprenant sur sa face arrière une deuxième couche de conductivité métallique capable d'agir comme deuxième électrode (24) et s'étendant sur au moins 50 % de la superficie de ladite face arrière, ladite deuxième électrode formant un disque comportant au moins deux zones de prolongement (33, 34) s'étendant chacune dans une direction radiale, et au moins trois éléments de connexion électrique (28, 35, 36) fixés sur lesdites zones de prolongement et sur ladite première électrode.

公开(公告)号：WO2022267295A1

公开(公告)日：2022-12-29

申请号：PCT/CN2021/128897

申请日：2021-11-05

Applicant: 苏州晶方半导体科技股份有限公司

Inventor： 王凯厚 ,  杨剑宏 ,  王鑫琴 ,  王蔚

IPC: B06B1/06 ,  H01L41/08 ,  B06B1/0688

Abstract: 本发明提供一种压电微机械超声换能器及其制作方法，所述压电微机械超声换能器包括：衬底；设置于衬底上支撑层，其形成有至少一个开口朝向衬底的空腔，空腔侧壁、空腔顶壁与衬底围设形成真空密闭腔；设置于支撑层上的压电薄膜，其至少位于空腔上方，并直接受空腔顶壁支承，保留部分支撑层不蚀刻形成的空腔顶壁直接起到支承压电薄膜的作用，省略常规PMUT结构中的沉积形成的薄膜支撑层等结构，能够显著降低PMUT的制造成本。

公开(公告)号：WO2022265253A1

公开(公告)日：2022-12-22

申请号：PCT/KR2022/007515

申请日：2022-05-26

Applicant: 주식회사 기드온소닉 ,  (주)라하츠

Inventor： 박상우

IPC: A47L15/13 ,  B06B1/06

Abstract: 본 발명의 실시예에 따르는 초음파 세척기의 가드 결합 구조 진동자 조립체는 초음파 세척기의 수조에 설치되어 진동을 전달하는 진동체와, 진동체에 진동을 전달하는 압전소자와, 지지체와, 결합구를 포함하는 진동자, 하우징, 및 수조에 담긴 피세척물이 진동체와 접촉되는 것을 방지하는 가드 구조물을 포함한다.