JP2005512478A - 小型機械の超音波変換器及びその組立方法 - Google Patents
小型機械の超音波変換器及びその組立方法 Download PDFInfo
- Publication number
- JP2005512478A JP2005512478A JP2003552450A JP2003552450A JP2005512478A JP 2005512478 A JP2005512478 A JP 2005512478A JP 2003552450 A JP2003552450 A JP 2003552450A JP 2003552450 A JP2003552450 A JP 2003552450A JP 2005512478 A JP2005512478 A JP 2005512478A
- Authority
- JP
- Japan
- Prior art keywords
- substrate
- mut
- array
- ultrasonic transducer
- small machine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims description 35
- 239000000758 substrate Substances 0.000 claims abstract description 107
- 239000000463 material Substances 0.000 claims abstract description 51
- 239000012814 acoustic material Substances 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 5
- 239000013536 elastomeric material Substances 0.000 claims description 3
- 239000000945 filler Substances 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims 3
- 229920000647 polyepoxide Polymers 0.000 claims 3
- 238000000151 deposition Methods 0.000 claims 1
- 239000004065 semiconductor Substances 0.000 abstract description 24
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 230000003071 parasitic effect Effects 0.000 abstract description 6
- 238000013016 damping Methods 0.000 abstract description 3
- 238000012545 processing Methods 0.000 abstract description 3
- 230000036961 partial effect Effects 0.000 description 28
- 238000002604 ultrasonography Methods 0.000 description 17
- 238000005530 etching Methods 0.000 description 13
- 230000008569 process Effects 0.000 description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 8
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 7
- 229910052710 silicon Inorganic materials 0.000 description 7
- 239000010703 silicon Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 239000000523 sample Substances 0.000 description 5
- 239000004593 Epoxy Substances 0.000 description 4
- 229910052581 Si3N4 Inorganic materials 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 239000000377 silicon dioxide Substances 0.000 description 4
- 235000012239 silicon dioxide Nutrition 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
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000004020 conductor Substances 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000006880 cross-coupling reaction Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 230000002829 reductive effect Effects 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000002059 diagnostic imaging Methods 0.000 description 2
- 239000003989 dielectric material Substances 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 239000000806 elastomer Substances 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000001020 plasma etching Methods 0.000 description 2
- 230000000644 propagated effect Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 238000001039 wet etching Methods 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 239000011358 absorbing material Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000001808 coupling effect Effects 0.000 description 1
- 238000005137 deposition process Methods 0.000 description 1
- 238000001312 dry etching Methods 0.000 description 1
- 238000002592 echocardiography Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 210000003754 fetus Anatomy 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000010884 ion-beam technique Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000012285 ultrasound imaging Methods 0.000 description 1
- 210000001835 viscera Anatomy 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/002—Devices for damping, suppressing, obstructing or conducting sound in acoustic devices
-
- 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
- B06B1/0681—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 damping structure
- B06B1/0685—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 damping structure on the back only of piezoelectric elements
-
- 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
- B06B1/0688—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 with foil-type piezoelectric elements, e.g. PVDF
- B06B1/0692—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 with foil-type piezoelectric elements, e.g. PVDF with a continuous electrode on one side and a plurality of electrodes on the other side
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/42—Piezoelectric device making
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Transducers For Ultrasonic Waves (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
Abstract
Description
Claims (10)
- 上面と、該上面に対する下面と、該上下面との間の厚さとを有する基板と、
前記下面から前記基板内の中間位置まで前記基板内で上方に突出する前記基板に形成された窪みと、
前記窪み上に位置されて、前記基板の前記上面によって支持される少なくとも一つの小型機械の超音波変換器(MUT)とを有し、
前記窪みは、所定の音響特性を有する物質で実質的に満たされていることを特徴とする小型機械の超音波変換器アレイ。 - 前記小型機械の超音波変換器はさらに、容量性の小型機械の超音波変換器(cMUT)、又は圧電性の小型機械の超音波変換器(pMUT)から構成されることを特徴とする請求項1に記載のアレイ。
- 前記基板と前記少なくとも一つの小型機械の超音波変換器との間に置かれた誘電層をさらに有することを特徴とする請求項1に記載のアレイ。
- 前記物質はさらに、エラストマー物質から構成されることを特徴とする請求項1に記載のアレイ。
- 前記物質はさらに、エポキシ樹脂物質から構成されることを特徴とする請求項1に記載のアレイ。
- 前記エポキシ樹脂物質はさらに、フィラー物質で満たされたエポキシ樹脂物質から構成されることを特徴とする請求項5に記載のアレイ。
- 前記下面に接するバッキング要素をさらに有することを特徴とする請求項1に記載のアレイ。
- 実質的に完全に除去されており、基板上に形成された少なくとも一つの小型機械の超音波変換器(MUT)と、
前記少なくとも一つの小型機械の超音波変換器を実質的に閉じ込める所定の音響特性の音響物質とを有することを特徴とする小型機械の超音波変換器アレイ。 - 小型機械の超音波変換器アレイの組立方法であって、該方法は、
基板表面に少なくとも一つの小型機械の超音波変換器を形成する段階と、
前記少なくとも一つの小型機械の超音波変換器の基礎をなす窪みを形成するために該基板の一部を除去する段階と、
前記窪みに音響減衰物質を置く段階とを有することを特徴とする方法。 - 小型機械の超音波アレイの組立方法であって、該方法は、
基板物質上に少なくとも一つの小型機械の超音波変換器(MUT)を形成する段階と、
前記少なくとも一つの小型機械の超音波変換器を実質的に閉じ込める前記基板上に音響減衰物質を沈着する段階と、
前記音響減衰物質及び小型機械の超音波変換器から前記基板物質の少なくとも本質的な部分を除去する段階とを有することを特徴とする方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/036,281 US6659954B2 (en) | 2001-12-19 | 2001-12-19 | Micromachined ultrasound transducer and method for fabricating same |
PCT/IB2002/005193 WO2003051530A1 (en) | 2001-12-19 | 2002-11-29 | Micromachined ultrasound transducer and method for fabricating same |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005512478A true JP2005512478A (ja) | 2005-04-28 |
JP4170223B2 JP4170223B2 (ja) | 2008-10-22 |
Family
ID=21887705
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003552450A Expired - Fee Related JP4170223B2 (ja) | 2001-12-19 | 2002-11-29 | 小型機械の超音波変換器及びその組立方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US6659954B2 (ja) |
EP (1) | EP1458498A1 (ja) |
JP (1) | JP4170223B2 (ja) |
CN (1) | CN100349661C (ja) |
AU (1) | AU2002366319A1 (ja) |
WO (1) | WO2003051530A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007301023A (ja) * | 2006-05-09 | 2007-11-22 | Hitachi Medical Corp | 超音波探触子 |
JP2012513696A (ja) * | 2008-12-23 | 2012-06-14 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | スプリアス音響モード抑制を持つ集積回路及びその製造方法 |
Families Citing this family (57)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7053530B2 (en) * | 2002-11-22 | 2006-05-30 | General Electric Company | Method for making electrical connection to ultrasonic transducer through acoustic backing material |
US6831394B2 (en) * | 2002-12-11 | 2004-12-14 | General Electric Company | Backing material for micromachined ultrasonic transducer devices |
US7053529B2 (en) * | 2003-07-01 | 2006-05-30 | Texzec, Inc. | Torsional acoustic wave sensor |
US20050075571A1 (en) * | 2003-09-18 | 2005-04-07 | Siemens Medical Solutions Usa, Inc. | Sound absorption backings for ultrasound transducers |
US20050075572A1 (en) * | 2003-10-01 | 2005-04-07 | Mills David M. | Focusing micromachined ultrasonic transducer arrays and related methods of manufacture |
WO2005046443A2 (en) * | 2003-11-07 | 2005-05-26 | Georgia Tech Research Corporation | Combination catheter devices, methods, and systems |
US7030536B2 (en) * | 2003-12-29 | 2006-04-18 | General Electric Company | Micromachined ultrasonic transducer cells having compliant support structure |
US7285897B2 (en) * | 2003-12-31 | 2007-10-23 | General Electric Company | Curved micromachined ultrasonic transducer arrays and related methods of manufacture |
US7052464B2 (en) * | 2004-01-01 | 2006-05-30 | General Electric Company | Alignment method for fabrication of integrated ultrasonic transducer array |
JP2007528153A (ja) * | 2004-02-06 | 2007-10-04 | ジョージア テック リサーチ コーポレイション | Cmutデバイス及び製造方法 |
EP1761998A4 (en) * | 2004-02-27 | 2011-05-11 | Georgia Tech Res Inst | CMUT DEVICES AND METHODS OF MAKING THE SAME |
US7646133B2 (en) * | 2004-02-27 | 2010-01-12 | Georgia Tech Research Corporation | Asymmetric membrane cMUT devices and fabrication methods |
WO2005084284A2 (en) * | 2004-02-27 | 2005-09-15 | Georgia Tech Research Corporation | Multiple element electrode cmut devices and fabrication methods |
EP1725343A2 (en) * | 2004-03-11 | 2006-11-29 | Georgia Technology Research Corporation | Asymmetric membrane cmut devices and fabrication methods |
US20060004290A1 (en) * | 2004-06-30 | 2006-01-05 | Smith Lowell S | Ultrasound transducer with additional sensors |
WO2006046471A1 (ja) * | 2004-10-27 | 2006-05-04 | Olympus Corporation | 静電容量型超音波振動子及びその体腔内超音波診断システム |
ITRM20050093A1 (it) * | 2005-03-04 | 2006-09-05 | Consiglio Nazionale Ricerche | Procedimento micromeccanico superficiale di fabbricazione di trasduttori ultracustici capacitivi microlavorati e relativo trasduttore ultracustico capacitivo microlavorato. |
US20080229749A1 (en) * | 2005-03-04 | 2008-09-25 | Michel Gamil Rabbat | Plug in rabbat engine |
JP2008538716A (ja) * | 2005-04-25 | 2008-11-06 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 超音波トランスデューサシステムにより連続撮像するための方法及び装置 |
WO2006127870A2 (en) * | 2005-05-25 | 2006-11-30 | Nsk Corporation | Monitoring device and method |
US7622853B2 (en) * | 2005-08-12 | 2009-11-24 | Scimed Life Systems, Inc. | Micromachined imaging transducer |
WO2007024909A1 (en) * | 2005-08-23 | 2007-03-01 | Analog Devices, Inc. | Multi-microphone system |
US8372680B2 (en) * | 2006-03-10 | 2013-02-12 | Stc.Unm | Three-dimensional, ultrasonic transducer arrays, methods of making ultrasonic transducer arrays, and devices including ultrasonic transducer arrays |
WO2007115283A2 (en) * | 2006-04-04 | 2007-10-11 | Kolo Technologies, Inc. | Modulation in micromachined ultrasonic transducers |
US7721397B2 (en) * | 2007-02-07 | 2010-05-25 | Industrial Technology Research Institute | Method for fabricating capacitive ultrasonic transducers |
WO2009055767A2 (en) * | 2007-10-26 | 2009-04-30 | Trs Technologies, Inc. | Micromachined piezoelectric ultrasound transducer arrays |
JP5305993B2 (ja) * | 2008-05-02 | 2013-10-02 | キヤノン株式会社 | 容量型機械電気変換素子の製造方法、及び容量型機械電気変換素子 |
US8531919B2 (en) * | 2009-09-21 | 2013-09-10 | The Hong Kong Polytechnic University | Flexible capacitive micromachined ultrasonic transducer array with increased effective capacitance |
US8040020B2 (en) * | 2010-02-17 | 2011-10-18 | Avago Technologies Wireless Ip (Singapore) Pte. Ltd. | Encapsulated active transducer and method of fabricating the same |
TWI418782B (zh) | 2010-12-14 | 2013-12-11 | Ind Tech Res Inst | 超聲波換能器探頭 |
CN102178545B (zh) * | 2011-02-14 | 2012-06-06 | 中国科学院深圳先进技术研究院 | 电容式超声传感器及其制备方法 |
JP6069798B2 (ja) | 2011-12-20 | 2017-02-01 | コーニンクレッカ フィリップス エヌ ヴェKoninklijke Philips N.V. | 超音波トランスデューサデバイス及びこれを製造する方法 |
US9499392B2 (en) | 2013-02-05 | 2016-11-22 | Butterfly Network, Inc. | CMOS ultrasonic transducers and related apparatus and methods |
CN105122488B (zh) * | 2013-03-14 | 2018-01-26 | 火山公司 | 晶片级换能器涂覆和方法 |
CA2905040C (en) | 2013-03-15 | 2021-10-19 | Butterfly Network, Inc. | Complementary metal oxide semiconductor (cmos) ultrasonic transducers and methods for forming the same |
AU2014235032B2 (en) | 2013-03-15 | 2017-11-09 | Butterfly Network, Inc. | Monolithic ultrasonic imaging devices, systems and methods |
US9667889B2 (en) | 2013-04-03 | 2017-05-30 | Butterfly Network, Inc. | Portable electronic devices with integrated imaging capabilities |
WO2015013245A2 (en) | 2013-07-23 | 2015-01-29 | Butterfly Network, Inc. | Interconnectable ultrasound transducer probes and related methods and apparatus |
KR101613413B1 (ko) * | 2013-12-09 | 2016-04-19 | 삼성메디슨 주식회사 | 초음파 프로브 및 그 제조방법 |
JP6552599B2 (ja) | 2014-04-18 | 2019-07-31 | バタフライ ネットワーク,インコーポレイテッド | 単一基板超音波撮像装置の構造、関連装置、及び方法 |
TWI708368B (zh) | 2014-04-18 | 2020-10-21 | 美商蝴蝶網路公司 | 在互補式金屬氧化物半導體晶圓中的超音波轉換器及相關設備和方法 |
KR102392966B1 (ko) | 2014-04-18 | 2022-05-02 | 버터플라이 네트워크, 인크. | 초음파 촬영 압축 방법 및 장치 |
US9067779B1 (en) | 2014-07-14 | 2015-06-30 | Butterfly Network, Inc. | Microfabricated ultrasonic transducers and related apparatus and methods |
CN106999163B (zh) * | 2014-12-11 | 2021-01-26 | 皇家飞利浦有限公司 | 具有交错列的微加工超声换能器的导管换能器 |
US10695034B2 (en) | 2015-05-15 | 2020-06-30 | Butterfly Network, Inc. | Autonomous ultrasound probe and related apparatus and methods |
US11766237B2 (en) | 2015-07-02 | 2023-09-26 | Philips Image Guided Therapy Corporation | Multi-mode capacitive micromachined ultrasound transducer and associated devices, systems, and methods for multiple different intravascular sensing capabilities |
US10060883B2 (en) * | 2015-10-01 | 2018-08-28 | General Electric Company | Pipeline crack detection |
EP3383556B1 (en) * | 2015-12-01 | 2023-08-02 | InvenSense, Inc. | Miniature ultrasonic transducer package |
US9987661B2 (en) | 2015-12-02 | 2018-06-05 | Butterfly Network, Inc. | Biasing of capacitive micromachined ultrasonic transducers (CMUTs) and related apparatus and methods |
US10347818B2 (en) | 2016-03-31 | 2019-07-09 | General Electric Company | Method for manufacturing ultrasound transducers |
US11047979B2 (en) | 2016-07-27 | 2021-06-29 | Sound Technology Inc. | Ultrasound transducer array |
CN106865483A (zh) * | 2017-01-06 | 2017-06-20 | 中北大学 | 医用微电容超声换能器面阵探头及其制备方法 |
US10196261B2 (en) | 2017-03-08 | 2019-02-05 | Butterfly Network, Inc. | Microfabricated ultrasonic transducers and related apparatus and methods |
CA3064088A1 (en) | 2017-06-21 | 2018-12-27 | Butterfly Network, Inc. | Microfabricated ultrasonic transducer having individual cells with electrically isolated electrode sections |
US11465177B2 (en) | 2018-05-21 | 2022-10-11 | Fujifilm Sonosite, Inc. | PMUT ultrasound transducer with damping layer |
CN110773408A (zh) * | 2019-11-06 | 2020-02-11 | 中国科学院半导体研究所 | 电容式微纳超声换能器及其制备方法 |
IT202000004777A1 (it) * | 2020-03-06 | 2021-09-06 | St Microelectronics Srl | Trasduttore ultrasonico microlavorato piezoelettrico |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05292598A (ja) * | 1992-04-09 | 1993-11-05 | Murata Mfg Co Ltd | 音波トランスデューサ |
JPH11205898A (ja) * | 1998-01-16 | 1999-07-30 | Mitsubishi Electric Corp | 誘電体薄膜素子用電極およびその製造方法とそれを用いた超音波振動子 |
JP2001502871A (ja) * | 1996-10-30 | 2001-02-27 | シーメンス アクチエンゲゼルシヤフト | 表面―マイクロ技術による超音波変換器 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5212671A (en) * | 1989-06-22 | 1993-05-18 | Terumo Kabushiki Kaisha | Ultrasonic probe having backing material layer of uneven thickness |
US5160870A (en) | 1990-06-25 | 1992-11-03 | Carson Paul L | Ultrasonic image sensing array and method |
US6049158A (en) | 1994-02-14 | 2000-04-11 | Ngk Insulators, Ltd. | Piezoelectric/electrostrictive film element having convex diaphragm portions and method of producing the same |
US5488954A (en) | 1994-09-09 | 1996-02-06 | Georgia Tech Research Corp. | Ultrasonic transducer and method for using same |
US5894452A (en) | 1994-10-21 | 1999-04-13 | The Board Of Trustees Of The Leland Stanford Junior University | Microfabricated ultrasonic immersion transducer |
US5619476A (en) | 1994-10-21 | 1997-04-08 | The Board Of Trustees Of The Leland Stanford Jr. Univ. | Electrostatic ultrasonic transducer |
US5956292A (en) | 1995-04-13 | 1999-09-21 | The Charles Stark Draper Laboratory, Inc. | Monolithic micromachined piezoelectric acoustic transducer and transducer array and method of making same |
JP3141744B2 (ja) * | 1995-08-31 | 2001-03-05 | 株式会社村田製作所 | 圧電トランス |
JPH11112279A (ja) * | 1997-10-03 | 1999-04-23 | Murata Mfg Co Ltd | 圧電部品 |
US5982709A (en) | 1998-03-31 | 1999-11-09 | The Board Of Trustees Of The Leland Stanford Junior University | Acoustic transducers and method of microfabrication |
US6295247B1 (en) * | 1998-10-02 | 2001-09-25 | The Board Of Trustees Of The Leland Stanford Junior University | Micromachined rayleigh, lamb, and bulk wave capacitive ultrasonic transducers |
US6115326A (en) | 1998-10-22 | 2000-09-05 | Integrated Medical Systems, Inc. | Ultrasonic micro-machined selectable transducer array |
US6381197B1 (en) * | 1999-05-11 | 2002-04-30 | Bernard J Savord | Aperture control and apodization in a micro-machined ultrasonic transducer |
US6314057B1 (en) * | 1999-05-11 | 2001-11-06 | Rodney J Solomon | Micro-machined ultrasonic transducer array |
DE19922967C2 (de) * | 1999-05-19 | 2001-05-03 | Siemens Ag | Mikromechanischer kapazitiver Ultraschallwandler und Verfahren zu dessen Herstellung |
US6271620B1 (en) * | 1999-05-20 | 2001-08-07 | Sen Corporation | Acoustic transducer and method of making the same |
US6430109B1 (en) * | 1999-09-30 | 2002-08-06 | The Board Of Trustees Of The Leland Stanford Junior University | Array of capacitive micromachined ultrasonic transducer elements with through wafer via connections |
US6862254B2 (en) * | 2000-10-19 | 2005-03-01 | Sensant Corporation | Microfabricated ultrasonic transducer with suppressed substrate modes |
-
2001
- 2001-12-19 US US10/036,281 patent/US6659954B2/en not_active Expired - Lifetime
-
2002
- 2002-11-29 JP JP2003552450A patent/JP4170223B2/ja not_active Expired - Fee Related
- 2002-11-29 EP EP02804978A patent/EP1458498A1/en not_active Ceased
- 2002-11-29 AU AU2002366319A patent/AU2002366319A1/en not_active Abandoned
- 2002-11-29 CN CNB028255011A patent/CN100349661C/zh not_active Expired - Fee Related
- 2002-11-29 WO PCT/IB2002/005193 patent/WO2003051530A1/en active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05292598A (ja) * | 1992-04-09 | 1993-11-05 | Murata Mfg Co Ltd | 音波トランスデューサ |
JP2001502871A (ja) * | 1996-10-30 | 2001-02-27 | シーメンス アクチエンゲゼルシヤフト | 表面―マイクロ技術による超音波変換器 |
JPH11205898A (ja) * | 1998-01-16 | 1999-07-30 | Mitsubishi Electric Corp | 誘電体薄膜素子用電極およびその製造方法とそれを用いた超音波振動子 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007301023A (ja) * | 2006-05-09 | 2007-11-22 | Hitachi Medical Corp | 超音波探触子 |
JP2012513696A (ja) * | 2008-12-23 | 2012-06-14 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | スプリアス音響モード抑制を持つ集積回路及びその製造方法 |
Also Published As
Publication number | Publication date |
---|---|
CN1606476A (zh) | 2005-04-13 |
CN100349661C (zh) | 2007-11-21 |
US20030114760A1 (en) | 2003-06-19 |
AU2002366319A1 (en) | 2003-06-30 |
US6659954B2 (en) | 2003-12-09 |
JP4170223B2 (ja) | 2008-10-22 |
EP1458498A1 (en) | 2004-09-22 |
WO2003051530A1 (en) | 2003-06-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4170223B2 (ja) | 小型機械の超音波変換器及びその組立方法 | |
JP4043882B2 (ja) | 可変の音響インピーダンスを有する超音波変換器ウェハー | |
JP4317123B2 (ja) | 超音波の膜の変換器 | |
US5655538A (en) | Ultrasonic phased array transducer with an ultralow impedance backfill and a method for making | |
US6558330B1 (en) | Stacked and filled capacitive microelectromechanical ultrasonic transducer for medical diagnostic ultrasound systems | |
US6776762B2 (en) | Piezocomposite ultrasound array and integrated circuit assembly with improved thermal expansion and acoustical crosstalk characteristics | |
JP4049743B2 (ja) | 音響エネルギーの横方向の伝搬を制限する超小型超音波トランスデューサ(mut)基板 | |
KR101335200B1 (ko) | 굴곡 모드 압전 트랜스듀서를 사용하는 보강된 초음파 촬영 프로브 | |
JP3950755B2 (ja) | イメージング・システムの分解能を高める超音波トランスデューサ | |
JP2015509304A (ja) | 超音波トランスデューサデバイス及びこれを製造する方法 | |
JP2007513563A (ja) | 高減衰バッキングを備えたic取り付けセンサを実装する装置及び方法 | |
CN206993400U (zh) | 声学器件 | |
Dausch et al. | 5I-4 Piezoelectric micromachined ultrasound transducer (pMUT) arrays for 3D imaging probes | |
JP2018525954A (ja) | 拡張範囲ウルトラサウンドトランスデューサ | |
TW202246166A (zh) | 用於減少微機械超音波換能器(mut)陣列中之串擾之溝槽 | |
EP4342592A1 (en) | Ultrasound probe and ultrasound diagnostic apparatus | |
JP4291500B2 (ja) | 広帯域送受波器 | |
CN114367431B (zh) | 一种换能器及其制备方法 | |
KR20230162525A (ko) | Mut 어레이에서의 크로스 토크의 감소를 위한 기술 | |
JPH0537998A (ja) | 超音波探触子 | |
JPH08256395A (ja) | 超音波送受波器 | |
JPH11146492A (ja) | 超音波探触子 | |
CN117943268A (zh) | 超声换能器和用于生产超声换能器的方法 | |
JP2024046264A (ja) | 超音波プローブ及び超音波診断装置 | |
JP2532332Y2 (ja) | 超音波プローブ |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20051125 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20071227 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20080115 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20080408 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20080708 |
|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20080806 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20110815 Year of fee payment: 3 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 4170223 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20110815 Year of fee payment: 3 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120815 Year of fee payment: 4 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130815 Year of fee payment: 5 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
LAPS | Cancellation because of no payment of annual fees |