baber/WOPTO huggingface dataset:
Patent JP-2022151725-A (JP)
Title: wafer
Inventor: WEN CHAN-JU
IPC: H01L21/304
Filed: 2022-03-15
Abstract: To provide a wafer capable of improving the ability to remove fine particles generated during polishing in the polishing of wafers designed to leave a thick edge.SOLUTION: A wafer 100 including an annular portion 110 and a processing portion 120 includes a top surface T1 and a bottom surface B2 opposite the top surface of the polished processing portion. The processing portion is surrounded by the annular portion, and a region R3 where the upper surface of the processed portion is connected to the annular portion is an upward curved surface.SELECTED DRAWING: Figure 2
Patent JP-2022155513-A (JP)
Title: Recycled resin film, method for producing recycled resin film, and recycled resin
Inventor: URANO IKUTO
IPC: C08J5/18
Filed: 2022-03-15
Abstract: To provide a recycled resin film which has a comparatively excellent appearance, and a method for producing a recycled resin film, and a recycled resin which is useful for production of the recycled resin film.SOLUTION: A recycled resin film contains a recycled resin, and satisfies the following requirement (1). Requirement (1): an integral value from the start of measurement of chemiluminescence emission intensity, measured at every one second, up to 300 seconds is 90,000 counts or less.SELECTED DRAWING: None
Patent JP-2022151763-A (JP)
Title: Automated assessment of aircraft structure damage
Inventor: FENG XI
IPC: B64F5/60
Filed: 2022-03-18
Abstract: To provide a system for performing automated assessment of aircraft structure damage.SOLUTION: An automated damage assessment system 100 includes a camera module 110 that includes a first infrared camera 302, a second infrared camera 304 and a visible light camera 306. The system further includes an autonomous vehicle 120 that includes a vertically extendable arm 122 attached to the camera module. The system also includes a processor 532 configured to initiate movement of the autonomous vehicle around an aircraft according to a predetermined path, initiate a scan 536 of an exterior surface of the aircraft using the first infrared camera, the second infrared camera, the visible light camera, or a combination thereof, determine whether a portion of the exterior surface of the aircraft is damaged based on the scan, and, in response to the portion of the exterior surface of the aircraft being damaged, use the first infrared camera, the second infrared camera and the visible light camera to generate a three-dimensional model 542 of the portion of the exterior surface of the aircraft.SELECTED DRAWING: Figure 5
Patent JP-2023140408-A (JP)
Title: Air cleaner
Inventor: IKEDA KAZUFUMI
IPC: F24F11/39
Filed: 2022-03-23
Abstract: To provide an air cleaner which performs determination of the necessity of cleaning of a filter with high accuracy.SOLUTION: An air cleaner includes: a suction port 2 for sucking air in a predetermined space; a blowout port 3 for blowing out air into the predetermined space; a blower fan 6 for guiding air from the suction port 2 to the blowout port 3; a filter 7 for cleaning the air sucked from the suction port 2; a rotational frequency detection part 10 for detecting the rotational frequency of the blower fan 6; a blower fan control part 12 for controlling the rotational frequency of the blower fan 6 by rotational frequency constant control; and a determination part 14 for determining the necessity of cleaning of the filter 7. The determination part 14 includes a count part 13 which counts the number of times of at least one of: the number of times of deviation in which the rotational frequency of the blower fan 6 deviated to the outside of the set rotational frequency range from the rotational frequency range set by the rotational frequency constant control; and the number of times of restoration processing in which restoration processing from the deviation is performed. Based on the count by the count part 13, the necessity of cleaning of the filter 7 is determined. Thereby, the above problem is solved.SELECTED DRAWING: Figure 3
Patent JP-2023140444-A (JP)
Title: quantum device
Inventor: KIKUCHI MASARU
IPC: H05K1/14
Filed: 2022-03-23
Abstract: To provide a quantum device that can prevent a wiring board from deforming or the like to improve reliability of a connection between wiring boards.SOLUTION: A quantum device comprises: a plurality of first connection parts that electrically connect a plurality of wires of a wiring layer of a quantum chip to a plurality of wires of a first wiring layer on a first surface of a first wiring board arranged to oppose the wiring layer of the quantum chip; and a plurality of second connection parts that electrically connect a plurality of wires of a second wiring layer on a second surface of the first wiring board to a plurality of wires of a third wiring layer on the first surface of a second wiring board arranged to oppose the second surface of the first wiring board, the quantum device which has one or a plurality of second connection parts arranged at positions corresponding to one or the plurality of first connection parts on the first surface arranged at the first row from an end of the first wiring board and arranged closer to an end side than the positions of the first connection parts arranged at the first row, of the plurality of second connection parts arranged at the first row from the end of the first wiring board.SELECTED DRAWING: Figure 2
Patent JP-2023140580-A (JP)
Title: Printer management system and method for producing carbon dioxide emissions report
Inventor: AMINO TOMOYUKI
IPC: G06Q10/20
Filed: 2022-03-23
Abstract: To provide a printer management system that can meet a growing demand for environmental load reduction.SOLUTION: A printer management system calculates the amount of carbon dioxide emitted by a printer through its service life based on the usage of first material constituting the printer, a first transport distance required for transporting the printer by first transport means, the type and usage of consumable items, the usage of second material forming the consumable items, a second transport distance required for transporting the consumable items by second transport means, the weight of the printer and consumable items, the power consumption of the printer, a first emission factor and a second emission factor that are factors indicating unit emissions of carbon dioxide and are associated with production and disposal of the first material, a third emission factor associated with production of the printer, a fourth emission factor associated with the transport by the first transport means, a fifth emission factor and a sixth emission factor associated with production and disposal of the second material, a seventh emission factor associated with production of the consumable items, an eighth emission factor associated with the transport by the second transport means, and a ninth emission factor associated with electric energy.SELECTED DRAWING: Figure 8
Patent JP-2023141027-A (JP)
Title: Unmanned vehicle, program, information processing method, and information processing system
Inventor: TAZUME Toshiaki
IPC: G05D1/02
Filed: 2022-03-23
Abstract: To enable an external imaging device to image an unmanned vehicle from outside the unmanned vehicle.SOLUTION: An unmanned vehicle 30 is configured to execute: imaging device detection processing for detecting an external imaging device 43 installed at or around an area where a package is delivered; range identification processing for identifying an imaging range of the external imaging device 43; stop position determination processing for determining, within the imaging range of the external imaging device 43, a stop position of the unmanned vehicle 30 at which the package is delivered; and movement control processing for stopping the unmanned vehicle at the stop position.SELECTED DRAWING: Figure 1
Patent JP-2023142975-A (JP)
Title: torque sensor
Inventor: ENDO TAKAYUKI
IPC: G01L3/10
Filed: 2022-03-25
Abstract: To provide a torque sensor capable of protecting a circuit board from moisture and dust.SOLUTION: Recesses 30 are provided in a first structure 11 and a second structure 12. Strain sensors 20 are provided within the recesses between the first structure and the second structure. A flexible substrate 23 is connected to the strain sensor. A case 41 is disposed on the surface of the second structure and has notches 14a into which flexible substrates are inserted. A first sealing member 31 is arranged between the notch and the flexible substrate within the notch, continuously contacts the side surface of the notch, includes a first protrusion 31a having a first end 31b and a second end 31c, and is tightly fitted into the recess. A second seal member 32 has second protrusions 32b disposed within the notches and contacting the first and second ends of the first protrusions and the recesses.SELECTED DRAWING: Figure 3
Patent JP-2022165914-A (JP)
Title: Composite positive electrode active material, method for preparing composite positive electrode active material, positive electrode sheet, and lithium ion secondary battery
Inventor: LV JIXIAN
IPC: H01M4/36
Filed: 2022-03-25
Abstract: To effectively prevent contact and reaction between hydrogen fluoride and a positive electrode active material, suppress the elution of a metal of the positive electrode active material, ensure the stability of a crystal structure in the bulk phase of the positive electrode active material, and achieve enhancement of the cycle retention rate and decrease in the resistance increase rate.SOLUTION: A composite positive electrode active material includes: a core layer containing a positive electrode active material; a hydrogen fluoride barrier layer coating the core layer and including a material constituted of any one of, or any combination of Nb, Ba, Zr, Mn, Mg, Al, and Ca, and any one of, or any combination of O, F, B, and P; and a physical barrier layer coating the hydrogen fluoride barrier layer.SELECTED DRAWING: None
Patent JP-2023144496-A (JP)
Title: System, vehicle and method
Inventor: SAKAI HIROKI
IPC: G06F21/64
Filed: 2022-03-28
Abstract: To provide a system for surely authenticating a message, a vehicle and a method.SOLUTION: A system is provided with an authentication part for authenticating a message at least including control data transmitted and received between a plurality of on-vehicle devices and a first counter that is counted each time a power source is turned on by using at least the control data and the first counter in the case of authenticating the message including the control data exchanged between the plurality of on-vehicle devices. The authentication part authenticates a message including a second counter to be incremented over time without including the first counter transmitted and received between the on-vehicle devices, without using the second counter instead of the first counter in the case of confirming whether synchronization is performed between the plurality of on-vehicle devices.SELECTED DRAWING: Figure 3
Patent JP-2023144632-A (JP)
Title: Modified conjugated diene polymer, rubber composition for shoes containing the same, and outsole
Inventor: YAMAURA YUKIO
IPC: C08F8/30
Filed: 2022-03-28
Abstract: To provide a modified conjugated diene polymer that excels in tensile strength and strikes a balance between grip performance and wear resistance, a rubber composition for shoes, and an outsole.SOLUTION: A modified conjugated diene polymer satisfies the following I)-V) conditions. I) The glass transition temperature is -80°C to -30°C. II) The 1,2-vinyl bond content is 13 mol% to 30 mol%. III) The Mooney viscosity is 30-70 as measured in accordance with JIS K6300 (ISO 289-1). IV) The modification rate is 30 mass% or more. V) The content of bonded aromatic vinyl is 40 mass% or less.SELECTED DRAWING: None
Patent JP-2023149323-A (JP)
Title: Method for calculating amount of dew condensation and method for estimating amount of dew condensation
Inventor: SHITAMACHI KOJI
IPC: G01N5/00
Filed: 2022-03-31
Abstract: To provide a method for calculating an allowable amount of dew condensation inside the concrete.SOLUTION: A method for calculating the amount of dew condensation according to the present invention executes a measurement step of measuring the amount of dew condensation water generated on the surface of an object in a state where the object made of concrete is placed under test conditions with set temperature and humidity; a calculation step of calculating a theoretical amount of dew condensation under the test conditions, based on the temperature and humidity under the test conditions; and the calculation step of calculating the difference between the measured amount of dew condensation water and the theoretical amount.SELECTED DRAWING: Figure 1
Patent JP-2023151501-A (JP)
Title: Work support system, mobile terminal, work support method, and work support program
Inventor: INABA YOSHIHISA
IPC: G06Q50/04
Filed: 2022-03-31
Abstract: To reduce a communication traffic amount of a mobile terminal in a work support system that supports work of a worker carrying the mobile terminal.SOLUTION: A work support system includes a mobile terminal and a support server that communicates with the mobile terminal and supports work of a worker carrying the mobile terminal, in which a control unit included in the mobile terminal determines, on the basis of condition information specified for each work content of the worker, work behavior of the worker, and changes, when the control unit determines that the work behavior of the worker deviates from a range defined on the basis of the condition information, a type of data transmitted from the mobile terminal to the support server.SELECTED DRAWING: Figure 1
Patent JP-2023152044-A (JP)
Title: oral ointment
Inventor: ARAKI MAYO
IPC: A61K47/06
Filed: 2022-04-01
Abstract: To provide an oral ointment using an oily base with water-soluble active ingredients and high mucosal permeability.SOLUTION: Provided is an oral ointment containing: (A) water-soluble active ingredient; (B) oily base; (C) polyhydric alcohol; and (D) at least one selected from the group consisting of polyoxyethylene sorbitol tetraoleate, sorbitan sesquioleate, sodium polyoxyethylene cetyl ether phosphate, and polyoxyethylene hydrogenated castor oil with an added mole of ethylene oxide of 10 to 40.SELECTED DRAWING: None
Patent JP-2022165399-A (JP)
Title: Atomizer
Inventor: ASAKAWA HIROYOSHI
IPC: B05B7/04
Filed: 2022-04-05
Abstract: To provide a portable atomizer which is small-sized and lightweight as a whole compared to a conventional atomizer, and has spray performance of a micro-order even with a small-sized compressor and a small-sized battery.MEANS FOR SOLVING THE PROBLEM: An atomizer 1 comprises: bodies 10, 20; nozzle units 12, 22 which are provided at one end of the bodies, and in which at least one two-fluid nozzle is incorporated; solution containers 13, 23 for retaining a solution to be fed to the nozzle units; handle parts 11, 21 provided at the other end of the bodies; a compressor 40 for feeding compressed air to the nozzle units 12, 22; a battery for driving the compressor; and a compressed-air pipeline 30 for feeding the compressed air ejected from the compressor 40 to the nozzle units 12, 22.SELECTED DRAWING: Figure 1
Patent JP-2023156848-A (JP)
Title: Energy consumption calculation system
Inventor: TAKAMORI TETSUJI
IPC: G06Q50/30
Filed: 2022-04-13
Abstract: To make individual data management for every baggage unnecessary and to facilitate grasping of correct energy consumption for every consignor even when baggage of a plurality of consignors are mix-loaded in a common vehicle to be transported by one operation.SOLUTION: Travel information including weight, travel distance, and a road type is acquired for each section from loading to unloading and recorded in an operation recording database DB51 by an on-vehicle unit loaded in a truck vehicle. The weight of a load is detected as weight fluctuation by unit of vehicle by a dead weight meter attached to the vehicle. A data processing unit such as an office PC comprises: a function S32 for acquiring information of a loading position and an unloading position for every consignor; a function S33 for categorizing the travel information acquired from the on-vehicle unit for every consignor; a function S38 for acquiring fuel consumption information for every road type; and a function S39 for calculating energy consumption for every consignor on the basis of the categorized travel information and the fuel consumption information for every road type.SELECTED DRAWING: Figure 13
Patent JP-2022101677-A (JP)
Title: Terminal apparatus, base station apparatus, and communication method
IPC: H04W72/12
Filed: 2022-04-26
Abstract: PROBLEM TO BE SOLVED: To provide a terminal apparatus that performs efficient communication, a communication method used for the terminal apparatus, a base station apparatus that performs efficient communication, and a communication method used for the base station apparatus. 
     SOLUTION: A terminal apparatus communicating with a base station apparatus in a serving cell comprises: a radio resource control (RRC) layer processing unit and a reception unit. The radio resource control (RRC) layer processing unit configures a set of one or more downlink bandwidth parts (BWPs) provided by a first RRC signaling in the serving cell. The reception unit monitors, in an active downlink BWP, a first PDCCH with a first DCI format and a second PDCCH with a second DCI format. 
     SELECTED DRAWING: Figure 10 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2022093650-A (JP)
Title: Iris expander
IPC: A61F9/007
Filed: 2022-05-02
Abstract: PROBLEM TO BE SOLVED: To allow an iris expander to be inserted in the eye of a patient with a low profile and to expand inside, and to avoid direct contact of iris tissues with the instrument. 
     SOLUTION: An iris expander includes a body which is a non-metallic, unitary, multi-segmented body expandable from a first state to a second state that defines an occupied area larger than the first state and includes a first and a second ends that are loop-shaped having an inner surface facing inward and an outer surface facing outward, are away from each other with a gap, and have the inner surface and the outer surface positioned between the first and second ends. The body includes: a plurality of first robust lobes projecting outward from the outer surface along the first end; and a plurality of second robust lobes projecting outward from the outer surface along the second end. 
     SELECTED DRAWING: Figure 1 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2023167294-A (JP)
Title: 車両の空調制御システム
IPC: B60H1/00
Filed: 2022-05-11
Abstract: 【課題】車両走行中にエンジンが自動停止した際の空調変化を車室乗員に気付かせない。【解決手段】車両１は、自動停止条件に基づいて自動停止可能なエンジン２と、空気調和機９と、コントローラ６０と、を備える。空気調和機は、空気ダクト１０と、空気ダクトにおける空気Ｗとの間で熱交換を行う熱交換器３６，４２を含む熱交換回路３０，４０と、空気ダクトにおける空気を車室８に送風するブロア２０と、を有する。コントローラは、エンジンが自動停止された時に車両の速度Ｖが第１所定速度Ｖ１未満の場合の無車速空調モードＭａにおいて、ブロア２０の送風量Ｑａを、自動停止の直前におけるブロアの送風量Ｑ０よりも低減するとともに、エンジンが自動停止された時に車両の速度が第１所定速度以上の有車速空調モードＭｂにおいて、ブロアの送風量Ｑｂの低減量（Ｑ０－Ｑｂ）を、無車速空調モードにおける低減量（Ｑ０－Ｑａ）よりも小さくする。【選択図】図１
Patent JP-2023168011-A (JP)
Title: 圧接型コネクタ及びその製造方法
IPC: H01R11/01
Filed: 2022-05-13
Abstract: 【課題】内部に備える導電体の導通方向を識別することが容易な圧接型コネクタ及びその製造方法を提供する。【解決手段】導電性エラストマー層（１）と絶縁性エラストマー層（２）が交互に多重に積層してなり、かつその積層方向と交差し、互いに対向する２つの主面を有する層状の本体部と、前記本体部の第一の主面を被覆する第一サポート側材（３ａ）と、前記本体部の第二の主面を被覆する第二サポート側材（３ｂ）と、を備える圧接型コネクタであり、前記第一サポート側材及び前記第二サポート側材のうち少なくとも一方の表面に、記号、符号、模様、図形及び文字から選択される一つ以上を含む印刷層（４）が形成されており、前記印刷層は、前記本体部が有する前記導電性エラストマー層の沿層方向を識別する標識である、圧接型コネクタ（１０）。【選択図】図１
Patent JP-2023170358-A (JP)
Title: 半導体装置、および、半導体装置の製造方法
IPC: H01L21/60
Filed: 2022-05-19
Abstract: 【課題】金属線が基板から外れる状況が発生することを抑制可能な半導体装置等を提供する。【解決手段】半導体装置１００は、基板２と、基板２に搭載された半導体素子５と、金属線Ｗ１と、接着部材ｂ２とを備える。半導体素子５は、金属線Ｗ１により、基板２に接続されている。金属線Ｗ１は、基板２に接続されている端部ｅ１と、半導体素子５に接続されている端部ｅ２とを有する。金属線Ｗ１のうち、端部ｅ１と異なる部分の少なくとも一部は、接着部材ｂ２に接触している。金属線Ｗ１の端部ｅ１は、接着部材ｂ２から離れている。【選択図】図１
Patent JP-2023173731-A (JP)
Title: オイルスキマー
IPC: C02F1/40
Filed: 2022-05-26
Abstract: 【課題】スクレーパーの清掃の頻度を低下させることができるオイルスキマーを提供すること。【解決手段】オイルスキマー１は、油分を含む液体を貯留するタンク２の外部に設置された回転ローラー２０と、回転ローラー２０にかけられ少なくとも一部がタンク内の液体に浸漬し、油分を回収するベルト２２と、ベルト２２に接触してベルト２２に付着した油分をそぎ落とすスクレーパー４０と、スクレーパー４０によってそぎ落とされた油分を回収する回収部３０と、回転ローラー２０の駆動を制御する制御ユニット５２と、を備え、制御ユニット５２は、回転ローラー２０を第１の方向に回転させることで、油分を回収し、回転ローラー２０を該第１の方向と反対の第２の方向に回転させることで、スクレーパー４０に付着した異物を除去する。【選択図】図１
Patent JP-2023176953-A (JP)
Title: 乗客コンベアシステム、及び乗客コンベア用表示装置
IPC: B66B31/00
Filed: 2022-06-01
Abstract: 【課題】透明な欄干を有する乗客コンベアに乗客が乗っている場合に、乗客コンベアの外側からののぞき込みを防止することができる、乗客コンベアシステム、及び乗客コンベア用表示装置を提供する。【解決手段】前後方向に走行する踏段３０と、踏段３０の左右両側に設けられた透明部材からなる欄干３６と、欄干３６に設けられた一又は複数の透明ディスプレイ７４とを有する乗客コンベア１０と、乗客コンベア１０を撮影するカメラ８０と、カメラ８０で撮影した画像に基づいて乗客コンベア１０の乗客を検知した場合には、透明ディスプレイ７４の下部に乗客コンベア１０の外側から前記乗客の一部が見えないようにするのぞき込み防止用の表示をする制御装置５０とを有する、乗客コンベアシステムとする。【選択図】 図２
Patent JP-2023177049-A (JP)
Title: 腕検出装置
IPC: G08G1/16
Filed: 2022-06-01
Abstract: 【課題】ドライバが表された画像から、ドライバの腕を検出できる腕検出装置を提供する。【解決手段】腕検出装置は、車両１０のドライバの顔を撮影した顔画像からドライバの顔が表された顔領域を検出する検出部３１と、顔画像をそれぞれが第１のサイズを有する複数のブロックに分割し、複数のブロックのうち所定の輝度閾値よりも高い輝度を有する画素の数が所定の画素数閾値よりも多いブロックを高輝度ブロックとして特定する特定部３２と、第１のサイズより大きい第２のサイズを有し、かつ、顔画像上の互いに異なる位置に設定される複数のウィンドウ領域の何れかについて、そのウィンドウ領域に含まれ、かつ、顔領域に含まれない高輝度ブロックの数が所定のブロック数閾値よりも多い場合、そのウィンドウ領域にドライバの腕が表されていると判定する判定部３３とを有する。【選択図】図３
Patent JP-2023177651-A (JP)
Title: 画像形成装置、端末装置、画像形成システム、制御方法及びプログラム
IPC: H04W76/10
Filed: 2022-06-02
Abstract: 【課題】端末装置との接続性の問題を解消した画像形成装置等を提供する。【解決手段】自画像形成装置を識別するための識別情報、及び、自画像形成装置との通信を許可するパスワードの少なくとも一方を含む接続情報を、端末装置から取得する。接続情報に基づいて端末装置と通信を行う。端末装置から通信を介して受信した指示に応じて、画像を形成する。【選択図】図２
Patent JP-2022186667-A (JP)
Title: Circuit for re-liquefying fluid and supplying re-liquefied fluid to consumption unit
Inventor: Pavel BORISEVICH
IPC: B63H21/38
Filed: 2022-06-03
Abstract: To execute control to prevent the pressure in the highest part of a tank from damaging the tank relating to a field of a vessel using, storing, and/or conveying liquefied natural gas and/or liquefied petroleum gas.SOLUTION: The present invention is related to a circuit (1) in which first fluid (4) stored in a first tank (2) and second fluid (8) stored in a second tank (6) flow. The circuit (1) includes at least one management pipe (20) for managing the state of the second fluid (8) intended for the second fluid (8) taken in a liquid state from the second tank (6) to pass and flow through. The circuit (1) includes a supply pipe (15) extending from a second pipe (16) to a consumption device (17) for supplying the first fluid (4) to the consumption device (17) that uses it as a fuel. The supply pipe (15) is configured so that the first fluid (4) in a liquid state passes and flows through it, and the supply pipe (15) includes at least one pump element (19) for increasing the pressure of the first fluid (4) in the supply pipe (15).SELECTED DRAWING: Figure 1
Patent JP-2023033107-A (JP)
Title: Metalworking oil solution, metalworking fluid, metal corrosion suppression method, and metalworking method
Inventor: KITAMURA TAKEHARU
IPC: C10M129/76
Filed: 2022-06-03
Abstract: To provide a metalworking oil solution that satisfactorily suppresses metal corrosion.SOLUTION: A metalworking oil solution contains at least one kind of monocarboxylic acid having 1 to 9 carbon atoms and/or a salt thereof and a base oil, and does not substantially contain monocarboxylic acids having 10 or more carbon atoms (in which a monocarboxylic acid having an ester bond is excluded) and/or a salt thereof.SELECTED DRAWING: None
Patent JP-2023179294-A (JP)
Title: 炭化珪素半導体のエピタキシャル成長装置
IPC: H01L21/205
Filed: 2022-06-07
Abstract: 【課題】突出部へ落下したパーティクルの飛散を抑制することができるＳｉＣ半導体のエピタキシャル成長装置を提供する。【解決手段】ＳｉＣ半導体のエピタキシャル成長装置１０は、成長空間１１１を囲む側壁１１２を有する炉体１１と、エピタキシャル成長が行われるＳｉＣ半導体基板２０が搭載される載置面１２１を有する載置台１２と、炉体１１の上部に設けられ、載置面１２１の上方から載置面１２１に向けて、成長空間１１１に原料ガスを供給する原料ガス供給部１３と、側壁１１２から成長空間１１１の中央側へ向かって突出する突出部１４と、突出部１４を加熱するための突出部加熱用ヒータ１７と、を備える。エピタキシャル成長膜の形成時または形成後に、突出部１４の温度が、突出部１４に落下したパーティクルが昇華する温度となるように、突出部加熱用ヒータ１７は突出部１４を加熱する。【選択図】図１
Patent JP-2023181572-A (JP)
Title: 積層型圧電体素子及びその製造方法
IPC: H04R17/10
Filed: 2022-06-13
Abstract: 【課題】本発明は、圧電振動子を分極させ、これら複数の振動子を、縦列に分極軸を揃えて接着させるノンフィラーエポキシ系接着剤とで構成、さらに、前記縦列接続された複数の圧電体振動子からなる積層型圧電体素子を、複数束ね周面をモールド樹脂で硬化させてなる厚み振動を取り出す積層型圧電体素子及びその製造方法に関する。【解決手段】円柱状圧電体振動子を個々に分極させた圧電体振動子と、該振動子の複数の分極軸を縦列に揃えてノンフィラーエポキシ系接着剤で接着させた縦列型圧電体素子と、該縦列型圧電体素子を並列に複数束ねて配置し周面をモールド樹脂で硬化させてなる積層型圧電体素子とその製造方法。【選択図】図７