EP0620049A3 - Mehrfachschicht akustischer Wandler. - Google Patents

Mehrfachschicht akustischer Wandler. Download PDF

Info

Publication number
EP0620049A3
EP0620049A3 EP94302655A EP94302655A EP0620049A3 EP 0620049 A3 EP0620049 A3 EP 0620049A3 EP 94302655 A EP94302655 A EP 94302655A EP 94302655 A EP94302655 A EP 94302655A EP 0620049 A3 EP0620049 A3 EP 0620049A3
Authority
EP
European Patent Office
Prior art keywords
acoustic transducer
multilayer acoustic
multilayer
transducer
acoustic
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.)
Withdrawn
Application number
EP94302655A
Other languages
English (en)
French (fr)
Other versions
EP0620049A2 (de
Inventor
Michael Greenstein
Paul Lum
Henry Yoshida
Hewlett E Jn Melton
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.)
Filing date
Publication date
Application filed by Hewlett Packard Co filed Critical Hewlett Packard Co
Publication of EP0620049A2 publication Critical patent/EP0620049A2/de
Publication of EP0620049A3 publication Critical patent/EP0620049A3/de
Withdrawn legal-status Critical Current

Links

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)
EP94302655A 1993-04-16 1994-04-14 Mehrfachschicht akustischer Wandler. Withdrawn EP0620049A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US4860493A 1993-04-16 1993-04-16
US48604 1993-04-16

Publications (2)

Publication Number Publication Date
EP0620049A2 EP0620049A2 (de) 1994-10-19
EP0620049A3 true EP0620049A3 (de) 1995-09-06

Family

ID=21955457

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94302655A Withdrawn EP0620049A3 (de) 1993-04-16 1994-04-14 Mehrfachschicht akustischer Wandler.

Country Status (2)

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

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6530887B1 (en) * 1996-12-24 2003-03-11 Teratech Corporation Ultrasound probe with integrated electronics
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
JP5560855B2 (ja) * 2010-03-31 2014-07-30 コニカミノルタ株式会社 超音波トランスデューサおよび超音波診断装置
JP5487007B2 (ja) * 2010-05-20 2014-05-07 日立アロカメディカル株式会社 超音波探触子及び超音波探触子の製造方法
JP6122441B2 (ja) 2011-12-13 2017-04-26 ピエゾテック・エルエルシー ウェル完全性測定のための拡張帯域幅トランスジューサ
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.
JP6567955B2 (ja) * 2015-10-29 2019-08-28 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
GB201817503D0 (en) * 2018-10-26 2018-12-12 Dolphitech As Scanning apparatus

Citations (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
JPS63122288A (ja) * 1986-11-12 1988-05-26 Nec Corp 電歪効果素子
US4803763A (en) * 1986-08-28 1989-02-14 Nippon Soken, Inc. Method of making a laminated piezoelectric transducer

Patent Citations (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

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
ANONYMOUS: "Fabrication of Multilayer Thin Film Piezoelectric Transducers. August 1972.", IBM TECHNICAL DISCLOSURE BULLETIN, vol. 15, no. 3, NEW YORK, US, pages 928 - 929 *
PATENT ABSTRACTS OF JAPAN vol. 012, no. 375 (E - 666) 7 October 1988 (1988-10-07) *
S.SAITOH EA: "A low impedance ultrsonic probe using a multilayer piezoelectric ceramic", JAPANESE JOURNAL OF APPLIED PHYSICS, SUPPLEMENTS, vol. 28, no. 1, TOKYO JA, pages 54 - 56, XP000085263 *

Also Published As

Publication number Publication date
JPH06319734A (ja) 1994-11-22
EP0620049A2 (de) 1994-10-19

Similar Documents

Publication Publication Date Title
EP0637469A3 (de) Mehrschicht Wandlerelement.
US5647013C1 (en) Electroacoustic transducer
EP0647022A3 (de) Akustische Oberflächenwellenhalbleiter-Verbundanlage.
GB2298715A (en) Transducer arrangement
EP0663116A4 (de) Elektromagnetischer wandler.
EP0663648A3 (de) Kraftwandler.
EP0631383A3 (de) Akustisches Wiedergabesystem.
GB2272819B (en) Electroacoustic transducer
EP0635719A3 (de) Ultraschallübertrager mit einer Schutzkappe.
AU6942594A (en) Distributed acoustic sensor
AU2697695A (en) Acoustic transducer
EP0623913A3 (de) Elektroakustischer Wandler.
HK1011137A1 (en) Electroacoustic transducer
EP0606705A3 (de) Montage eines Tonabnehmers.
HK1016252A1 (en) Acoustic transducer components.
EP0631272A3 (de) Ultraschallwandler.
GB9323482D0 (en) Electromagnetic acoustic transducers
GB9120580D0 (en) Acoustic transducer
EP0858721A4 (de) Akustische wandler
EP0749005A3 (de) Schallwandler
EP0620049A3 (de) Mehrfachschicht akustischer Wandler.
EP0606706A3 (de) Montage eines Tonabnehmers.
EP0672897A3 (de) Wandler mit Schwingelement.
GB2287537B (en) Passive sonar transducer arrangement
EP0597194A3 (de) Luftschallecholot.

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): DE FR GB IT NL

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): DE FR GB IT NL

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 19960307