baber/WOPTO huggingface dataset:
Patent WO-2021186952-A1 (WO)
Title: Mold for press-forming, and press-forming method using same
Inventor: FUJIMURA Minami
IPC: B21D24/00
Filed: 2021-02-09
Abstract: The present invention, which provides a press-forming mold that achieves stable forming quality, increased service life, and the like by means of a revolutionary concept, is a mold used in press-forming a material, and has a convex part comprising a convex forming surface. The convex part has a shoulder section that presses the material while sliding on the material. The shoulder section has in at least a portion thereof a high-friction surface, which is a forming surface having a higher friction coefficient than the periphery thereof. The high-friction surface may have a friction coefficient that is at least 0.1 greater than the forming surface at the periphery thereof. Specifically, the friction coefficient of the high-friction surface may be 0.25-0.6. This high-friction surface is achieved by, for example, a rough surface section having higher surface roughness than the forming surface at the periphery thereof, a textured portion formed on the forming surface of the shoulder section, or the like.
Patent WO-2021182040-A1 (WO)
Title: Switch device
Inventor: OBATA KATSUFUMI
IPC: H01H13/52
Filed: 2021-02-17
Abstract: This switch device comprises a switch unit 31 operated when activating an object to be operated. The switch device comprises: a first antenna 33 capable of first contactless communication at a predetermined frequency with an electronic tag; and a second antenna 34 communicating with another electronic tag by second contactless communication at a different frequency from the first contactless communication. The communication results of the first contactless communication and the second contactless communication provide one condition for activation of the object to be operated. The first antenna 33 and the second antenna 34 are both provided in the switch unit 31. In addition, at least one of the first antenna 33 and the second antenna 34 is provided in an operation part 35 of the switch unit 31.
Patent WO-2022201402-A1 (WO)
Inventor: KUMAGAI SHINYA
IPC: H04W72/02
Filed: 2021-03-24
Abstract: This terminal has a transmission unit for transmitting to a communication device a signal that requests transmission of a cell search signal, and a reception unit for receiving the cell search signal having been transmitted on the basis of said request signal and identifies the information that pertains to a cell.
Patent WO-2021205932-A1 (WO)
Inventor: RODRIGUEZ CASTANON JESUS
IPC: C08K3/013
Filed: 2021-03-29
Abstract: L'invention concerne un polymère à base de diène conjugué comprenant au moins des unités d'un monomère diène conjugué, des composants de poids moléculaire élevé ayant un facteur de retrait de 0,4 à 0,8 et ayant un degré d'adsorption sur de la silice de 75 % ou moins et des composants de poids moléculaire moyen ayant un degré d'adsorption de 40 à 100 %.
Patent WO-2022208780-A1 (WO)
Inventor: HORIE NAOMI
IPC: G08B21/24
Filed: 2021-03-31
Abstract: This information providing device (30) comprises: an entry information database (31) that stores entry information which is information indicating a customer's entry history in which are associated mobile terminal identification information that identifies a mobile terminal (20) and identification information that identifies a moving body or facility in which the customer who possesses the mobile terminal (20) entered; an input-receiving unit (32) that receives lost item information indicating features of a lost item and identification information as notification information for the lost item in the moving body or the facility; and a lost item notification unit (34) that, when the input-receiving unit (32) has received notification information, references the entry information database (31), acquires the mobile terminal identification information associated with the received identification information, and notifies the lost item information to the mobile terminal (20) of the acquired mobile terminal identification information.
Patent WO-2021210656-A1 (WO)
Title: Sterilization device
Inventor: TANAKA KUNIHIKO
IPC: A23L3/28
Filed: 2021-04-15
Abstract: The present invention is a sterilization device that is provided on a conveyance path on which a support body, whereon food and beverages are placed, is conveyed from an upstream side to a downstream side. The sterilization device comprises: a device main body that has a pair of side wall sections which extend along the conveyance path and which stand upright from both sides of the conveyance path, and a top wall section that connects the upper ends of the side wall sections; and at least one illumination unit that is disposed in an internal space enclosed by the pair of side wall sections and the top wall section and that projects ultraviolet light. The support body conveyed by the conveyance path is configured to enter the internal space from an inlet on the upstream side of the device main body, and to exit to outside the internal space from an outlet on the downstream side of the device main body.
Patent WO-2022230151-A1 (WO)
Title: Oral advice system, oral advice method, and program
Inventor: OKAMOTO TAKAHIRO
IPC: G16H50/20
Filed: 2021-04-28
Abstract: [Problem] To advise an oral care or oral rehabilitation suitable for the condition of the oral cavity of a user. [Solution] Provided is an oral advice system for advising an oral care or oral rehabilitation suitable for the condition of the oral cavity of a user, the oral advice system including: acquiring an intraoral image by taking an image of the inside of the oral cavity of the user; analyzing the acquired intraoral image; determining the condition of the inside of the oral cavity on the basis of the result of the analysis; identifying the oral care or oral rehabilitation suitable for the condition of the oral cavity on the basis of the result of the determination; and advising the identified oral care or oral rehabilitation to the user.
Patent WO-2021241135-A1 (WO)
Title: Worm speed reducer and electric power assist device
Inventor: OSAWA Ryo
IPC: F16H55/24
Filed: 2021-04-28
Abstract: This worm speed reducer comprises a support bearing with an inner ring fitted onto a distal end portion of a worm and an outer ring disposed around the inner ring so as to be coaxial to the inner ring, a first elastic member for elastically biasing the support bearing towards a worm wheel side, a second elastic member with a pair of clamping pieces that are elastically clamping the support bearing from both sides in a second direction perpendicular to a first direction, which is the direction of biasing by the first elastic member, and to the central axis of a worm accommodating section, and a third elastic member provided around said outer ring and having an elastically deformable section for undergoing elastic deformation on the basis of meshing reaction force exerted to said worm from the meshing site between the teeth of said wheel and the teeth of said worm.
Patent WO-2022244127-A1 (WO)
Inventor: FUJIOKA NAOKI
IPC: B25J5/00
Filed: 2021-05-19
Abstract: ワークを取り扱うハンド（１２）を搭載したロボット（３）と、ロボットとワークとの相対位置を変更可能な移動機構（２）と、ロボットに対するワークの位置を検出可能なワークセンサ（１３）と、移動機構に対する周辺の障害物の位置を検出可能な障害物センサ（５）と、ロボットおよび移動機構を制御する制御装置（４）とを備え、ロボットが、ロボットの少なくとも１つの動作軸に作用する負荷を検出可能な負荷センサ（１１）を備え、制御装置が、検出されたワークの位置および障害物の位置からワークおよび障害物の配置を表す第１マップを生成し、ハンドによりワークを持ち上げたときに負荷センサにより検出された負荷に基づいて、移動機構による相対位置毎にロボットの寿命への影響度を示す第２マップを生成し、生成された第１マップと第２マップとに基づいて、移動機構による相対位置を決定するロボットシステム（１）である。
Patent WO-2022249450-A1 (WO)
Title: 学習方法、検出方法、それらの装置、およびプログラム
Inventor: MAKISHIMA Naoki
IPC: G10L25/84
Filed: 2021-05-28
Abstract: 学習時に観測信号と登録済み音声信号のペアデータを使わず、観測信号のみを用いて、モデルを学習する学習方法等を提供する。学習方法は、学習用の観測信号に基づく音響特徴量系列^X d を周波数マスクでマスキングすることによりデータ拡張し、拡張後の音響特徴量系列 ∨ X d を得、話者モデルにより音響特徴量系列 ∨ X d から話者ベクトルe target,d を取得し、話者ベクトルe target,d の一部にドロップアウトによるマスキングを行いデータ拡張し、拡張後の話者ベクトル ∨ e target,d を得、学習用の観測信号に基づく音響特徴量系列に含まれる音響特徴量が話者ベクトル ∨ e target,d に対応する話者の音声区間及び非音声区間を表す事後確率を推定し、事後確率と音響特徴量系列^X d に対応する教師ラベル^Y d とを用いて、事後確率推定の誤差を計算し、誤差に基づいてパラメータを更新する。
Patent WO-2022079944-A1 (WO)
Title: 素子実装基板および調整方法
Inventor: SHIOKAWA NOBORU
IPC: H03H7/01
Filed: 2021-06-07
Abstract: 素子実装基板は、基板と、前記基板の主面に配置され、電極を有する第１インピーダンス素子および第２インピーダンス素子と、前記基板に設けられ、前記第１インピーダンス素子の前記電極と接続された第１端と、前記第２インピーダンス素子の前記電極と接続された第２端と、を有する伝送線路とを備え、　前記基板上において、前記第１インピーダンス素子と、前記第２インピーダンス素子とは、前記伝送線路を介して電気的に直列に接続され、　前記伝送線路における前記第１端と前記第２端の間の線路長は、前記第１端と前記第２端の間の最短距離よりも長い。
Patent WO-2022180870-A1 (WO)
Inventor: TANIMOTO AKIRA
IPC: G06N20/00
Filed: 2021-06-07
Abstract: This learning device includes: a reference value calculation means that calculates an estimated target-item reference value according to fixed values for respective estimated target objects; a learning data acquisition means that acquires learning data including the fixed values and variable item values for the respective estimated target objects, and an estimated target item values according to the fixed values and the variable item values; and a learning means that performs learning of a model for outputting estimation values of the estimated target item values in response to input of the fixed values and the variable item values for the respective estimated target objects using the learning data and an evaluation function, the evaluation function giving a high evaluation when the estimation value is equal to or higher than the estimated target-item reference value and the estimated target item value is equal to or higher than the estimated target-item reference value, and when the estimation value is below the estimated target-item reference value and the estimated target item value is below the estimated target-item reference value.
Patent WO-2022264415-A1 (WO)
Title: Antenna device and wireless communication device
Inventor: SAKITA SATOSHI
IPC: H01Q13/08
Filed: 2021-06-18
Abstract: Provided are an antenna device and a wireless communication device capable of expanding the millimeter waveband coverage range relative to the prior art. The antenna device is provided with: a plurality of aligned patch antennas for emitting millimeter waveband radio waves; and, for each of the plurality of patch antennas, a set of parasitic elements disposed so as to sandwich the patch antenna. Each of a first set of parasitic elements disposed so as to sandwich a first patch antenna among the plurality of patch antennas is provided outside a region that overlaps a second set of parasitic elements in a directional view of a center line connecting the centers of each of the second set of parasitic elements, which are disposed so as to sandwich a second patch antenna disposed next to the first patch antenna.
Patent WO-2022004825-A1 (WO)
Title: Measurement device and program
Inventor: SATO SHO
IPC: G01N21/64
Filed: 2021-06-30
Abstract: Provided are a measurement device and a program that allow for an improvement in the accuracy of measurement of the level of activity of olfactory receptors.　A measurement device 1 measures, with respect to a region having a plurality of olfactory receptors, the degree of activation of the olfactory receptors by a substance being tested. The measurement device 1 comprises: a signal acquisition unit 10 that acquires signals based on the action of the olfactory receptors; a probability calculation unit 17 that calculates the probability of each of the signals having a waveform resulting from a receptor response, on the basis of the waveforms of the acquired signals over time; and an activity level calculation unit 18 that calculates, as an activity level, the degree of activation of the olfactory receptors over time using signals having probabilities calculated to be greater than or equal to a predetermined probability.
Patent WO-2023276124-A1 (WO)
Inventor: UCHIYAMA YUJI
IPC: H02S20/20
Filed: 2021-07-01
Abstract: Un abri de voiture 1 selon la présente invention comprend un élément de toit formé par alignement d'une pluralité de modules de cellule solaire 14 dans chacune d'une première direction et d'une seconde direction croisant la première direction. Un élément d'ajustement 20 pour former un flux d'eau le long de la seconde direction est ajusté dans un espace entre les modules de cellule solaire 14 adjacents l'un à l'autre dans la première direction. L'élément d'ajustement 20 comprend : une partie de connexion 23 installée de façon à être espacée du module de cellule solaire 14 situé sur le côté supérieur d'une inclinaison dans la première direction, et de manière à être en contact avec au moins une partie d'une surface latérale, sur le côté supérieur de l'inclinaison, du module de cellule solaire 14 situé sur le côté inférieur de l'inclinaison dans la première direction; et une partie de bride inférieure 22 s'étendant à partir de la partie de connexion 23 et en contact avec une partie d'extrémité, sur le côté inférieur de l'inclinaison, d'une surface inférieure du module de cellule solaire 14 située sur le côté supérieur de l'inclinaison dans la première direction. Un tel abri de voiture 1 peut empêcher l'eau de pluie ou analogue de fuir à travers un espace généré entre des modules de cellule solaire adjacents, et présente une grande aptitude au travail.
Patent WO-2022074888-A1 (WO)
Inventor: SHOJI RYOTA
IPC: G01R1/067
Filed: 2021-07-12
Abstract: 先端部が被測定体の検査点に確実に接触することができ、且つ被測定体の検査点を削ったり傷をつけたりしないようにできるコンタクトプローブを提供することを課題とする。　解決手段として、金属導体（１１）の外周に絶縁被膜（１２）を有する胴体部（１４）と、金属導体（１１）の両端に形成された絶縁被膜（１２）を有しない端部（１６）と、を有し、軸線方向に荷重をかけて撓ませることにより被測定体（２０）に対する接触圧力を得て電気特性を測定するコンタクトプローブ（１０）において、端部（１６）のうち少なくとも被測定体（２０）に接触する側の端部（１６）の形状が曲面であり、曲面の曲率半径をＲとし、金属導体（１１）の直径をＤとしたときに、Ｒは０．５Ｄを超え５Ｄ以下の範囲である。
Patent WO-2022030469-A1 (WO)
Title: Composition for forming resist underlayer film
Inventor: TOKUNAGA HIKARU
IPC: G03F7/26
Filed: 2021-08-03
Abstract: Provided is a novel composition for forming a resist underlayer film, which is reduced in the amount of sublimated substances that contaminate a device, is improved in the in-plane uniform coatability of a film to be coated thereon, exhibits satisfactory resistance to a chemical solution used in a resist under layer film, and can exhibit other satisfactory properties. This composition for forming a resist underlayer film comprises: a solvent; and a polymer containing a unit structure (A) represented by formula (1) (wherein Ar 1  and Ar 2  independently represent a benzene ring or a naphthalene ring; R 1  and R 2  independently represent a group substituted by a hydrogen atom on the ring of each of Ar 1  and Ar 2 ; R 4  is selected from the group consisting of a hydrogen atom, a trifluoromethyl group, an aryl group having 6 to 40 carbon atoms, and a heterocyclic group; R 5  is selected from the group consisting of a hydrogen atom, a trifluoromethyl group, an aryl group having 6 to 40 carbon atoms, and a heterocyclic group; and n1 and n2 independently represent an integer of 0 to 3).
Patent WO-2022030556-A1 (WO)
Title: Tape affixing system, tape affixing method, tape removing system, and tape removing method
Inventor: ITO KENYA
IPC: H01L21/683
Filed: 2021-08-04
Abstract: The present invention relates to a tape affixing system for affixing a protection tape for protecting the periphery of a substrate, such as a wafer. A tape affixing device (10) is provided with: an affixation substrate holding unit (21); a side roller (43); a first roller (46); a second roller (47); a roller drive motor (49) coupled to the second roller (47); and a pinching mechanism (60) for causing the first roller (46) and the second roller (47) to pinch the periphery of a substrate (W). The tape affixing device (10) is configured to rotate the substrate (W) by causing the roller drive motor (49) to rotate the second roller (47) while the periphery of the substrate (W) being held by the affixation substrate holding unit (21) is pinched by the first roller (46) and the second roller (47).
Patent WO-2023026317-A1 (WO)
Inventor: MORI ISAO
IPC: H01L21/3065
Filed: 2021-08-23
Abstract: In order to make it possible to perform highly precise plasma processing by efficiently carrying out removal while maintaining an amount of electric charge to be removed from a wafer surface, provided is a plasma processing device comprising a processing chamber in which a sample is subjected to plasma processing, a first high-frequency power supply which supplies a high-frequency electric power for generating plasma, a sample stage on which the sample is placed, a second high-frequency power supply which supplies high-frequency electric power to the sample stage, a power supply which supplies voltage to the sample stage, and a control device which controls the power supply, wherein one cycle of the waveform of the voltage has a rising period in which the voltage rises, a falling period in which the voltage falls, and a removal amount control period in which a removal amount of charged particles of the sample per unit time is controlled.
Patent WO-2022064977-A1 (WO)
Inventor: HASEGAWA TAKAAKI
IPC: H01L21/02
Filed: 2021-08-31
Abstract: [Problem] To provide a dust collector that can be installed in a tiny spot and is capable of collecting dust efficiently. [Solution] A dust collector 1 is provided with: a first electrode layer 12 which is formed of a conductor; a second electrode layer 14 that is formed of a conductor, that has gap parts (through-hole 14H, slit 14S) penetrating in the thickness direction, that has a size encompassing the first electrode layer 12 in a planar view, and that is disposed so as to face the first electrode layer 12; and insulating layers (first insulating layer 13, second insulating layer 15) that are formed of an insulating material, that insulate the first electrode layer 12 and the second electrode layer 14, and that respectively form single laminar structures together with the first electrode layer 12 and the second electrode layer 14.
Patent WO-2023032104-A1 (WO)
Inventor: TAKEUCHI KAZUSHIGE
IPC: G06F9/50
Filed: 2021-09-01
Abstract: L'invention concerne un système de commande de tâche et un procédé de commande de celui-ci qui permettent de supprimer une augmentation soudaine de la charge sur un système d'exécution de tâche. Une unité de relais de tâche (24c) obtient des données de tâche qui satisfont des conditions associées à une unité de relais de tâche (24h) et qui sont stockées dans une unité de stockage de données de tâche (22c). L'unité de relais de tâche (24h) délivre une requête d'exécution de tâche qui correspond aux données de tâche obtenues au niveau d'une unité d'exécution de tâche (28c). Une commande d'unités de gestion de surveillance (30a, 30b, 30c) en réponse à l'apparition d'un événement prescrit dans un système d'exécution de tâche (12c) de telle sorte que l'unité de relais de tâche (24h) et une unité de relais de tâche (24i) sont exécutées de manière à partager la charge avec une pluralité d'autres systèmes d'exécution de tâche (12a, 12b).
Patent WO-2022050404-A1 (WO)
Inventor: MOROFUJI KENTARO
IPC: B41M5/40
Filed: 2021-09-06
Abstract: 開示されているのは、紙支持体の一方の面に、中空率が８０～９８％の中空粒子を含有する下塗り層と、ロイコ染料及び顕色剤を含有する感熱記録層とをこの順に有し、紙支持体の他方の面に顔料を含有する裏面層を有する感熱記録体であって、裏面層の王研式平滑度が５００秒以上であり、前記中空粒子の含有割合が、下塗り層の全固形量中５～３０質量％である感熱記録体である。
Patent WO-2022070858-A1 (WO)
Inventor: IIJIMA Kai
IPC: H02K15/03
Filed: 2021-09-13
Abstract: La présente invention concerne un rotor de moteur 25 qui comprend : un arbre de rotation 14 ; un manchon interne 31 disposé sur la surface circonférentielle externe 14a de l'arbre de rotation 14 ; et une structure d'aimant 32 disposée sur la surface circonférentielle externe 31a du manchon interne 31. La structure d'aimant 32 est conçue pour comprendre : une pluralité de pièces d'aimant 60 disposées de façon à recouvrir la surface circonférentielle externe 31a du manchon interne 31 ; une première partie de résine 51 qui est disposée entre le manchon interne 31 et la pluralité de pièces d'aimant 60 ; et une seconde partie de résine 52 qui est disposée entre la pluralité de pièces d'aimant 60. Au moins une pièce d'aimant 60 parmi la pluralité de pièces d'aimant a une forme différente de la forme des autres pièces d'aimant 60.
Patent WO-2022065244-A1 (WO)
Title: Parallel link mechanism and link operation device
Inventor: MATSUZAWA HIDEKI
IPC: F16H21/46
Filed: 2021-09-17
Abstract: A parallel link mechanism in which a distal-end member can move over a spherical surface having a predetermined radius from a fixed rotation center comprises a proximal-end-side link hub (1), two link mechanisms (11), rotating bodies (2a, 2b), and a distal-end-side link hub (3). The rotating body (2a) is connected to one of the two link mechanisms (11). The rotating body (2a) is rotatably linked with the proximal-end-side link hub (1). In the link mechanisms (11), first center axes (15a, 15b) of first revolute pairs (25a, 25b) and second center axes (16a, 16b) of second revolute pairs (26a, 26b) intersect at a spherical link center point (30). The rotation center axis (12) of the rotating body (2a) intersects with the spherical link center point (30). The number of rotating bodies (2a, 2b) is less than the number of degrees of freedom of the orientation of the distal-end-side link hub (3).
Patent WO-2022065460-A1 (WO)
Inventor: MORIYAMA MASAKI
IPC: C12M1/04
Filed: 2021-09-24
Abstract: According to a first aspect of the present invention, provided is an operation method for a living body, comprising: a gas-liquid interface forming step for immersing an end part of a channel in a liquid in which the living body is immersed and forming, inside the channel or on the end part, a gas-liquid interface on which a restoration force works with respect to a minute movement of the interface; and an operation step for operating the living body by using the gas-liquid interface.
Patent WO-2022137749-A1 (WO)
Title: 湿度変動を利用した発電方法及び発電素子
Inventor: KOMAZAKI YUSUKE
IPC: H01M14/00
Filed: 2021-10-13
Abstract: 環境中の湿度変動を利用して起電力を得られ、動作安定性に優れた発電方法及び発電素子の提供。潮解性を有するイオン性化合物の水溶液をイオン透過膜によって隔ててその両側にそれぞれ電極を挿入し、一方を外気と遮断して密閉するとともに他方を外気と接続させて、外気中の湿度変化によりイオン透過膜を挟んで水溶液中のイオン性化合物に由来するイオン濃度差を生じさせ電極間に起電力を生じさせる。
Patent WO-2022249511-A1 (WO)
Inventor: HARADA SHIRO
IPC: A23K50/48
Filed: 2021-11-01
Abstract: フレーバーやサプリメントなどを含む犬や猫などのペット用の液状食品の長期保管や使用に適し、スプレー状や液滴を吐出する給餌に適した蓄圧式吐出製品を提供する。　第一の液状食品４１が収容された第一の内袋２１と、第一の内袋２１が収容された缶３１と、缶３１内の第一の内袋２１の周囲に収容された加圧気体と、を有し、前記第一の液状食品４１が、フレーバーおよび／またはサプリメントを含むペット用液状食品の蓄圧式吐出製品１。
Patent WO-2022107651-A1 (WO)
Inventor: MIYADA NAOYUKI
IPC: G06F3/01
Filed: 2021-11-10
Abstract: Provided is an information processing device which comprises: a detection unit for detecting a detection subject on the basis of first image signals generated by first image sensors; a setting unit for setting an interest region in which the detection subject is at least partially included; a calculation unit for calculating, on the basis of second image signals generated by second image sensors including an event-driven type vision sensor which generates image signals asynchronously upon detection of change in intensity of light entering each pixel, distribution of the second image signals in the interest region; a tracking unit for tracking the detection subject in the interest region on the basis of the second image signals and/or the first image signals; a tracking control unit for determining, on the basis of the distribution, the presence or absence of movement of the detection subject in the interest region and for controlling operativeness of said tracking by the tracking unit; and an information output unit for outputting a result of the tracking by the tracking unit.
Patent WO-2022145189-A1 (WO)
Inventor: ISHIDA YASUHIRO
IPC: G03F7/004
Filed: 2021-12-08
Abstract: 高い光学濃度（ＯＤ値）を有する厚膜パターンを形成することができる、黒色剤を含有する高感度の感光性樹脂組成物の提供。（Ａ）エポキシ基及びフェノール性水酸基を有する第１樹脂、（Ｂ）重量平均分子量が３０００～８００００であり、フェノール性水酸基当量が２５０～７００であり、かつカルボキシ基含量が０．０～０．５ｍｍｏｌ／ｇである第２樹脂、（Ｄ）感放射線化合物、及び（Ｅ）黒色剤を含む感光性樹脂組成物であって、感光性樹脂組成物の硬化被膜の光学濃度（ＯＤ値）が膜厚１μｍあたり０．５以上である感光性樹脂組成物。
Patent WO-2022131309-A1 (WO)
Inventor: INOUE KAZUNORI
IPC: H03H9/145
Filed: 2021-12-15
Abstract: 熱の蓄積を抑制する。支持基板と、支持基板の厚さ方向である第１方向に設けられたニオブ酸リチウムまたはタンタル酸リチウムを含み、第１方向に主面を有する圧電層と、支持基板と圧電層との間に設けられた空洞部と、圧電層の主面に設けられ、かつ、互いに対向する第１のバスバーと、第２のバスバーと、第１のバスバーに基端が接続された複数の第１電極指と、第２のバスバーに基端が接続された複数の第２電極指と、を含むＩＤＴ電極と、圧電層の主面に設けられ、ＩＤＴ電極に接続された配線電極と、第１方向について圧電層内に設けられ、圧電層の熱伝導率より高い熱伝導率を有する高熱伝導膜と、を備え、ＩＤＴ電極の少なくとも一部は、第１方向に平面視して空洞部と重なる領域に設けられ、高熱伝導膜は、第１方向に平面視して空洞部と重なる領域に設けられ、ＩＤＴ電極及び配線電極の少なくとも一方は、高熱伝導膜と直接または金属を介して接続されている。