JP2021178056A - 超音波プローブ - Google Patents
超音波プローブ Download PDFInfo
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- JP2021178056A JP2021178056A JP2020085104A JP2020085104A JP2021178056A JP 2021178056 A JP2021178056 A JP 2021178056A JP 2020085104 A JP2020085104 A JP 2020085104A JP 2020085104 A JP2020085104 A JP 2020085104A JP 2021178056 A JP2021178056 A JP 2021178056A
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- 239000000523 sample Substances 0.000 title claims abstract description 79
- 230000005484 gravity Effects 0.000 claims abstract description 8
- 230000017525 heat dissipation Effects 0.000 claims description 24
- 239000000463 material Substances 0.000 claims description 9
- 230000005855 radiation Effects 0.000 abstract 5
- 239000010410 layer Substances 0.000 description 118
- 239000011241 protective layer Substances 0.000 description 13
- 230000004048 modification Effects 0.000 description 9
- 238000012986 modification Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 6
- 229910052581 Si3N4 Inorganic materials 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 4
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 4
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 3
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 3
- 238000013016 damping Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 229910052451 lead zirconate titanate Inorganic materials 0.000 description 2
- HFGPZNIAWCZYJU-UHFFFAOYSA-N lead zirconate titanate Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ti+4].[Zr+4].[Pb+2] HFGPZNIAWCZYJU-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 230000000644 propagated effect Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000009429 electrical wiring Methods 0.000 description 1
- -1 for example Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/44—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device
- A61B8/4444—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device related to the probe
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
- B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
- B06B1/0607—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using multiple elements
- B06B1/0622—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using multiple elements on one surface
- B06B1/0629—Square array
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/44—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device
- A61B8/4483—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device characterised by features of the ultrasound transducer
- A61B8/4488—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device characterised by features of the ultrasound transducer the transducer being a phased array
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
- B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
- B06B1/0607—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using multiple elements
- B06B1/0622—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using multiple elements on one surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
- B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
- B06B1/0644—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element
- B06B1/0662—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element with an electrode on the sensitive surface
- B06B1/067—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element with an electrode on the sensitive surface which is used as, or combined with, an impedance matching layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
- B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
- B06B1/0644—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element
- B06B1/0662—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element with an electrode on the sensitive surface
- B06B1/0677—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element with an electrode on the sensitive surface and a high impedance backing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
- G01S7/52017—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00 particularly adapted to short-range imaging
- G01S7/52079—Constructional features
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/30—Piezoelectric or electrostrictive devices with mechanical input and electrical output, e.g. functioning as generators or sensors
- H10N30/302—Sensors
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/80—Constructional details
- H10N30/85—Piezoelectric or electrostrictive active materials
- H10N30/853—Ceramic compositions
- H10N30/8548—Lead-based oxides
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/80—Constructional details
- H10N30/85—Piezoelectric or electrostrictive active materials
- H10N30/853—Ceramic compositions
- H10N30/8548—Lead-based oxides
- H10N30/8554—Lead-zirconium titanate [PZT] based
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/80—Constructional details
- H10N30/87—Electrodes or interconnections, e.g. leads or terminals
- H10N30/872—Interconnections, e.g. connection electrodes of multilayer piezoelectric or electrostrictive devices
- H10N30/874—Interconnections, e.g. connection electrodes of multilayer piezoelectric or electrostrictive devices embedded within piezoelectric or electrostrictive material, e.g. via connections
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/80—Constructional details
- H10N30/87—Electrodes or interconnections, e.g. leads or terminals
- H10N30/875—Further connection or lead arrangements, e.g. flexible wiring boards, terminal pins
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/44—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device
- A61B8/4483—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device characterised by features of the ultrasound transducer
- A61B8/4494—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device characterised by features of the ultrasound transducer characterised by the arrangement of the transducer elements
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/54—Control of the diagnostic device
- A61B8/546—Control of the diagnostic device involving monitoring or regulation of device temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B2201/00—Indexing scheme associated with B06B1/0207 for details covered by B06B1/0207 but not provided for in any of its subgroups
- B06B2201/70—Specific application
- B06B2201/76—Medical, dental
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Surgery (AREA)
- Veterinary Medicine (AREA)
- Pathology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Radiology & Medical Imaging (AREA)
- Biophysics (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Gynecology & Obstetrics (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Transducers For Ultrasonic Waves (AREA)
Abstract
Description
Claims (10)
- 複数の振動素子が配置された振動層と、
前記振動層の後方に設けられたバッキング層と、
前記バッキング層に設けられ、前記バッキング層内で線状に延伸する複数の放熱部材であって、延伸方向を揃えて配置された複数の放熱部材と、を備え、
前記バッキング層の中央領域であって、前記放熱部材の延伸方向に対して交わる断面内の中央領域における前記放熱部材の面積占有率が、前記中央領域の外側に比べて大きいことを特徴とする超音波プローブ。 - 請求項1に記載の超音波プローブにおいて、
前記中央領域は、
前記断面の両端に位置せずに前記断面の重心を含み、前記断面の面積の半分以下の面積を占める領域であることを特徴とする超音波プローブ。 - 請求項1または請求項2に記載の超音波プローブにおいて、
各前記振動素子は長軸方向に延びており、前記長軸方向に交わる短軸方向に並べて配置され、
前記放熱部材は前記長軸方向に延びており、隣接する2つの前記振動素子の隙間から前記バッキング層に至る切削溝の間の位置に配置されていることを特徴とする超音波プローブ。 - 請求項1または請求項2に記載の超音波プローブにおいて、
前記振動層と前記バッキング層との間に設けられた配線層を備え、
各前記振動素子は長軸方向に延びており、前記長軸方向に交わる短軸方向に並べて配置され、
前記放熱部材は前記短軸方向に延びており、前記配線層は熱伝導構造を有していることを特徴とする超音波プローブ。 - 請求項4に記載の超音波プローブにおいて、
前記熱伝導構造は、
各前記振動素子と前記放熱部材との間に設けられたサーマルビアを備えることを特徴とする超音波プローブ。 - 請求項5に記載の超音波プローブにおいて、
前記サーマルビアは、
隣接する2つの前記振動素子の隙間から前記配線層に至る切削溝の間の位置に設けられていることを特徴とする超音波プローブ。 - 請求項4に記載の超音波プローブにおいて、
隣接する2つの前記振動素子の隙間から前記配線層に至る切削溝を有することを特徴とする超音波プローブ。 - 請求項1または請求項2に記載の超音波プローブにおいて、
複数の前記放熱部材は、
前記中央領域の中央から外側に向かうにつれて、配置間隔が広くなることを特徴とする超音波プローブ。 - 請求項1または請求項2に記載の超音波プローブにおいて、
複数の前記放熱部材は、
前記中央領域の外側から中央に向かうにつれて、配置方向の幅が大きくなることを特徴とする超音波プローブ。 - 請求項1または請求項2に記載の超音波プローブにおいて、
前記複数の放熱部材を形成する材料の熱伝導率は、
前記中央領域の外側から中央に向かうにつれて大きくなることを特徴とする超音波プローブ。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020085104A JP7457569B2 (ja) | 2020-05-14 | 2020-05-14 | 超音波プローブ |
US17/189,292 US11786223B2 (en) | 2020-05-14 | 2021-03-02 | Ultrasonic probe with heat dissipation members arranged in center of backing layer |
CN202110238008.1A CN113662580A (zh) | 2020-05-14 | 2021-03-03 | 超声波探头 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020085104A JP7457569B2 (ja) | 2020-05-14 | 2020-05-14 | 超音波プローブ |
Publications (2)
Publication Number | Publication Date |
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JP2021178056A true JP2021178056A (ja) | 2021-11-18 |
JP7457569B2 JP7457569B2 (ja) | 2024-03-28 |
Family
ID=78510049
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JP2020085104A Active JP7457569B2 (ja) | 2020-05-14 | 2020-05-14 | 超音波プローブ |
Country Status (3)
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---|---|
US (1) | US11786223B2 (ja) |
JP (1) | JP7457569B2 (ja) |
CN (1) | CN113662580A (ja) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH07131895A (ja) * | 1993-11-08 | 1995-05-19 | Toshiba Corp | 2次元アレイ型超音波プローブおよびその製造方法 |
WO2006038632A1 (ja) * | 2004-10-05 | 2006-04-13 | Kabushiki Kaisha Toshiba | 超音波プローブ |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
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US7314447B2 (en) * | 2002-06-27 | 2008-01-01 | Siemens Medical Solutions Usa, Inc. | System and method for actively cooling transducer assembly electronics |
JP4624659B2 (ja) * | 2003-09-30 | 2011-02-02 | パナソニック株式会社 | 超音波探触子 |
JP4643227B2 (ja) * | 2004-11-04 | 2011-03-02 | 株式会社東芝 | 超音波プローブ及び超音波診断装置 |
JP2007007262A (ja) * | 2005-07-01 | 2007-01-18 | Toshiba Corp | コンベックス型超音波プローブおよび超音波診断装置 |
CN201351898Y (zh) * | 2009-01-23 | 2009-11-25 | 飞腾光电股份有限公司 | 背光模块均温结构 |
CN102132586B (zh) | 2009-06-08 | 2014-05-07 | 松下电器产业株式会社 | 超声波探头 |
JP2011044612A (ja) * | 2009-08-21 | 2011-03-03 | Panasonic Electric Works Co Ltd | 発光装置 |
WO2011038297A1 (en) * | 2009-09-26 | 2011-03-31 | Centipede Systems, Inc. | Apparatus for holding microelectronic devices |
CN102003662A (zh) * | 2010-11-18 | 2011-04-06 | 深圳市华星光电技术有限公司 | 局部加强散热的侧入式背光模块 |
JP2013115537A (ja) * | 2011-11-28 | 2013-06-10 | Ge Medical Systems Global Technology Co Llc | バッキング部材、超音波プローブ及び超音波画像表示装置 |
KR101269459B1 (ko) * | 2011-12-13 | 2013-05-30 | 삼성전자주식회사 | 초음파 프로브 및 그 제조방법 |
JP6771279B2 (ja) * | 2015-11-30 | 2020-10-21 | ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー | 超音波プローブ及び超音波画像表示装置 |
KR20190085259A (ko) * | 2018-01-10 | 2019-07-18 | 삼성메디슨 주식회사 | 초음파 프로브 |
CN110960253A (zh) * | 2018-09-30 | 2020-04-07 | 深圳迈瑞生物医疗电子股份有限公司 | 一种超声探头及面阵超声探头 |
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2020
- 2020-05-14 JP JP2020085104A patent/JP7457569B2/ja active Active
-
2021
- 2021-03-02 US US17/189,292 patent/US11786223B2/en active Active
- 2021-03-03 CN CN202110238008.1A patent/CN113662580A/zh active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07131895A (ja) * | 1993-11-08 | 1995-05-19 | Toshiba Corp | 2次元アレイ型超音波プローブおよびその製造方法 |
WO2006038632A1 (ja) * | 2004-10-05 | 2006-04-13 | Kabushiki Kaisha Toshiba | 超音波プローブ |
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US20210353263A1 (en) | 2021-11-18 |
JP7457569B2 (ja) | 2024-03-28 |
CN113662580A (zh) | 2021-11-19 |
US11786223B2 (en) | 2023-10-17 |
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