JPH06319734A - 多層音響変換器 - Google Patents

多層音響変換器

Info

Publication number: JPH06319734A
Authority: JP; Japan
Prior art keywords: layer; layers; conductive electrode; piezoelectric; external
Prior art date: 1993-04-16
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.): Pending

Application number

JP7159794A

Other languages

English (en)

Japanese (ja)

Inventor

Michael Greenstein

マイケル・グリーンスタイン

Paul Lum

ポール・ラム

Henry Yoshida

ヘンリー・ヨシダ

Jr Hewlett E Melton

ヒューレット・イー・メルトン，ジュニア

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

HP Inc

Original Assignee

Hewlett Packard Co

Priority date (The priority date 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 date listed.)

1993-04-16

Filing date

1994-03-16

Publication date

1994-11-22

1994-03-16 Application filed by Hewlett Packard Co filed Critical Hewlett Packard Co

1994-11-22 Publication of JPH06319734A publication Critical patent/JPH06319734A/ja

Status Pending legal-status Critical Current

Links

230000006378 damage Effects 0.000 abstract description 3
208000027418 Wounds and injury Diseases 0.000 abstract description 2
208000014674 injury Diseases 0.000 abstract description 2
230000005611 electricity Effects 0.000 abstract 1
238000010030 laminating Methods 0.000 abstract 1
239000010410 layer Substances 0.000 description 371
230000010287 polarization Effects 0.000 description 23
238000010586 diagram Methods 0.000 description 14
239000000463 material Substances 0.000 description 11
230000005684 electric field Effects 0.000 description 10
230000005284 excitation Effects 0.000 description 7
230000008878 coupling Effects 0.000 description 5
238000010168 coupling process Methods 0.000 description 5
238000005859 coupling reaction Methods 0.000 description 5
239000004593 Epoxy Substances 0.000 description 4
239000004642 Polyimide Substances 0.000 description 4
239000000919 ceramic Substances 0.000 description 4
229920001721 polyimide Polymers 0.000 description 4
230000005540 biological transmission Effects 0.000 description 3
238000002059 diagnostic imaging Methods 0.000 description 3
230000000694 effects Effects 0.000 description 3
229920000642 polymer Polymers 0.000 description 3
230000002829 reductive effect Effects 0.000 description 3
229910018072 Al 2 O 3 Inorganic materials 0.000 description 2
239000003989 dielectric material Substances 0.000 description 2
238000002592 echocardiography Methods 0.000 description 2
239000012777 electrically insulating material Substances 0.000 description 2
238000003384 imaging method Methods 0.000 description 2
238000011065 in-situ storage Methods 0.000 description 2
230000010354 integration Effects 0.000 description 2
238000010606 normalization Methods 0.000 description 2
230000036961 partial effect Effects 0.000 description 2
125000006850 spacer group Chemical group 0.000 description 2
229920002799 BoPET Polymers 0.000 description 1
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
239000005041 Mylar™ Substances 0.000 description 1
230000015572 biosynthetic process Effects 0.000 description 1
239000000470 constituent Substances 0.000 description 1
230000001808 coupling effect Effects 0.000 description 1
238000005336 cracking Methods 0.000 description 1
230000001419 dependent effect Effects 0.000 description 1
238000000151 deposition Methods 0.000 description 1
230000008021 deposition Effects 0.000 description 1
238000001514 detection method Methods 0.000 description 1
229910002804 graphite Inorganic materials 0.000 description 1
239000010439 graphite Substances 0.000 description 1
239000003779 heat-resistant material Substances 0.000 description 1
229910001385 heavy metal Inorganic materials 0.000 description 1
238000002955 isolation Methods 0.000 description 1
239000011159 matrix material Substances 0.000 description 1
238000000034 method Methods 0.000 description 1
230000000644 propagated effect Effects 0.000 description 1
230000002441 reversible effect Effects 0.000 description 1
239000000523 sample Substances 0.000 description 1
239000004065 semiconductor Substances 0.000 description 1
238000000926 separation method Methods 0.000 description 1
239000002356 single layer Substances 0.000 description 1
238000004544 sputter deposition Methods 0.000 description 1
230000003068 static effect Effects 0.000 description 1
239000000758 substrate Substances 0.000 description 1
230000001629 suppression Effects 0.000 description 1
230000036962 time dependent Effects 0.000 description 1
WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
229910052721 tungsten Inorganic materials 0.000 description 1
239000010937 tungsten Substances 0.000 description 1
238000002604 ultrasonography Methods 0.000 description 1
238000007740 vapor deposition Methods 0.000 description 1

Classifications

- 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
- B06B1/064—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 with multiple active layers

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Ultra Sonic Daignosis Equipment (AREA)
Piezo-Electric Transducers For Audible Bands (AREA)

JP7159794A 1993-04-16 1994-03-16 多層音響変換器 Pending JPH06319734A (ja)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US4860493A	1993-04-16	1993-04-16
US048,604		1993-04-16

Publications (1)

Publication Number	Publication Date
JPH06319734A true JPH06319734A (ja)	1994-11-22

Family

ID=21955457

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP7159794A Pending JPH06319734A (ja)	1993-04-16	1994-03-16	多層音響変換器

Country Status (2)

Country	Link
EP (1)	EP0620049A3 (de)
JP (1)	JPH06319734A (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2011212334A (ja) *	2010-03-31	2011-10-27	Konica Minolta Medical & Graphic Inc	超音波診断装置
JP2011240007A (ja) *	2010-05-20	2011-12-01	Hitachi Aloka Medical Ltd	超音波探触子及び超音波探触子の製造方法
JP2012110740A (ja) *	1999-06-22	2012-06-14	Teratech Corp	集積化電子機器を有する超音波プローブ
JP2017085002A (ja) *	2015-10-29	2017-05-18	京セラ株式会社	圧電素子およびこれを備えた音響発生器、音響発生装置、電子機器

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2000348321A (ja)	1999-06-03	2000-12-15	Nec Corp	磁気ディスク装置，磁気ヘッド，磁気ヘッドの製造方法および磁気ディスク装置の製造方法
US20030173870A1 (en) *	2002-03-12	2003-09-18	Shuh-Yueh Simon Hsu	Piezoelectric ultrasound transducer assembly having internal electrodes for bandwidth enhancement and mode suppression
US8085957B2 (en)	2006-11-10	2011-12-27	Sergey Vladimirovich Shishov	Method for converting electric signals into acoustic oscillations and an electric gas-kinetic transducer
CA2858819A1 (en)	2011-12-13	2013-06-20	Piezotech Llc	Enhanced bandwidth transducer for well integrity measurement
JP5993330B2 (ja) *	2013-03-18	2016-09-14	オリンパス株式会社	積層型超音波振動デバイス、積層型超音波振動デバイスの製造方法および超音波医療装置
NL2012419B1 (en) *	2014-03-13	2016-01-06	Novioscan B V	High voltage MEMS, and a portable ultrasound device comprising such a MEMS.
WO2020044513A1 (ja) *	2018-08-30	2020-03-05	オリンパス株式会社	超音波振動子、超音波処置具、及び超音波振動子の製造方法
GB201817503D0 (en) *	2018-10-26	2018-12-12	Dolphitech As	Scanning apparatus

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2894317A (en) *	1954-06-07	1959-07-14	Spence T Marks	Method for constructing a barium titanate blast velocity gauge
US4803763A (en) *	1986-08-28	1989-02-14	Nippon Soken, Inc.	Method of making a laminated piezoelectric transducer
JPS63122288A (ja) *	1986-11-12	1988-05-26	Nec Corp	電歪効果素子

1994
- 1994-03-16 JP JP7159794A patent/JPH06319734A/ja active Pending
- 1994-04-14 EP EP94302655A patent/EP0620049A3/de not_active Withdrawn

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2012110740A (ja) *	1999-06-22	2012-06-14	Teratech Corp	集積化電子機器を有する超音波プローブ
JP2014087700A (ja) *	1999-06-22	2014-05-15	Teratech Corp	集積化電子機器を有する超音波プローブ
JP2011212334A (ja) *	2010-03-31	2011-10-27	Konica Minolta Medical & Graphic Inc	超音波診断装置
JP2011240007A (ja) *	2010-05-20	2011-12-01	Hitachi Aloka Medical Ltd	超音波探触子及び超音波探触子の製造方法
JP2017085002A (ja) *	2015-10-29	2017-05-18	京セラ株式会社	圧電素子およびこれを備えた音響発生器、音響発生装置、電子機器

Also Published As

Publication number	Publication date
EP0620049A2 (de)	1994-10-19
EP0620049A3 (de)	1995-09-06

Publication	Publication Date	Title
US5381067A (en)	1995-01-10	Electrical impedance normalization for an ultrasonic transducer array
US5410205A (en)	1995-04-25	Ultrasonic transducer having two or more resonance frequencies
US6552471B1 (en)	2003-04-22	Multi-piezoelectric layer ultrasonic transducer for medical imaging
US6225728B1 (en)	2001-05-01	Composite piezoelectric transducer arrays with improved acoustical and electrical impedance
JP4702826B2 (ja)	2011-06-15	多層セラミック音響変換器の作製方法
US6868594B2 (en)	2005-03-22	Method for making a transducer
JP4758634B2 (ja)	2011-08-31	多層セラミック音響変換器の製造方法
US5825117A (en)	1998-10-20	Second harmonic imaging transducers
JPH06319734A (ja)	1994-11-22	多層音響変換器
JPH02261437A (ja)	1990-10-24	超音波探触子
US5638822A (en)	1997-06-17	Hybrid piezoelectric for ultrasonic probes
CN101128944A (zh)	2008-02-20	多层超声换能器及其制造方法
US7382082B2 (en)	2008-06-03	Piezoelectric transducer with gas matrix
WO2021135014A1 (zh)	2021-07-08	单晶压电结构及具有其的电子设备
US20030173870A1 (en)	2003-09-18	Piezoelectric ultrasound transducer assembly having internal electrodes for bandwidth enhancement and mode suppression
JP2004056352A (ja)	2004-02-19	超音波トランスデューサ
JPS61253873A (ja)	1986-11-11	圧電セラミツク材料
JP2011217159A (ja)	2011-10-27	積層型圧電体およびこれを用いた超音波トランスデューサならびに積層型圧電体の作成方法
JP3934200B2 (ja)	2007-06-20	超音波探触子
JP3922094B2 (ja)	2007-05-30	縦結合型マルチモード圧電フィルタ及び電子部品
JPS60201249A (ja)	1985-10-11	広帯域超音波トランスジユ−サ
JPS6169299A (ja)	1986-04-09	超音波探触子
JP2011217160A (ja)	2011-10-27	積層型圧電体およびこれを用いた超音波トランスデューサならびに積層型圧電体の作成方法
JPH04273698A (ja)	1992-09-29	超音波探触子