EP0796669A3 - Transducteur à ultrason - Google Patents

Transducteur à ultrason Download PDF

Info

Publication number: EP0796669A3
Authority: EP; European Patent Office
Prior art keywords: electrodes; ultrasonic transducer; flat side; another; electrically separated
Prior art date: 1996-03-19
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn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

EP97103948A

Other languages

German (de)

English (en)

Other versions

EP0796669A2 (fr

Inventor

Joachim Dipl.-Ing. Ritter

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.)

Siemens AG

Siemens Corp

Original Assignee

Siemens AG

Siemens Corp

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.)

1996-03-19

Filing date

1997-03-10

Publication date

1998-04-29

1997-03-10 Application filed by Siemens AG, Siemens Corp filed Critical Siemens AG

1997-09-24 Publication of EP0796669A2 publication Critical patent/EP0796669A2/fr

1998-04-29 Publication of EP0796669A3 publication Critical patent/EP0796669A3/fr

Status Withdrawn legal-status Critical Current

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
- B06B1/0629—Square array

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Transducers For Ultrasonic Waves (AREA)
Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)

EP97103948A 1996-03-19 1997-03-10 Transducteur à ultrason Withdrawn EP0796669A3 (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE19610803		1996-03-19
DE19610803		1996-03-19

Publications (2)

Publication Number	Publication Date
EP0796669A2 EP0796669A2 (fr)	1997-09-24
EP0796669A3 true EP0796669A3 (fr)	1998-04-29

Family

ID=7788770

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP97103948A Withdrawn EP0796669A3 (fr)	1996-03-19	1997-03-10	Transducteur à ultrason

Country Status (1)

Country	Link
EP (1)	EP0796669A3 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE10018355A1 (de) *	2000-04-13	2001-12-20	Siemens Ag	Ultraschallwandler und Verfahren zur Herstellung eines Ultraschallwandlers
US11408860B2 (en)	2020-03-30	2022-08-09	Olympus NDT Canada Inc.	Ultrasound probe with row-column addressed array

Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4550606A (en) *	1982-09-28	1985-11-05	Cornell Research Foundation, Inc.	Ultrasonic transducer array with controlled excitation pattern
EP0196839A2 (fr) *	1985-03-23	1986-10-08	Cogent Limited	Transducteur piézoélectrique et ses composants
US4801835A (en) *	1986-10-06	1989-01-31	Hitachi Medical Corp.	Ultrasonic probe using piezoelectric composite material

1997
- 1997-03-10 EP EP97103948A patent/EP0796669A3/fr not_active Withdrawn

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4550606A (en) *	1982-09-28	1985-11-05	Cornell Research Foundation, Inc.	Ultrasonic transducer array with controlled excitation pattern
EP0196839A2 (fr) *	1985-03-23	1986-10-08	Cogent Limited	Transducteur piézoélectrique et ses composants
US4801835A (en) *	1986-10-06	1989-01-31	Hitachi Medical Corp.	Ultrasonic probe using piezoelectric composite material

Also Published As

Publication number	Publication date
EP0796669A2 (fr)	1997-09-24

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Legal Events

Date	Code	Title	Description
1997-08-08	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
1997-09-24	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): BE CH DE ES FR LI NL SE
1998-03-13	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1998-04-29	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): BE CH DE ES FR LI NL SE
1999-06-18	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
1999-08-04	18D	Application deemed to be withdrawn	Effective date: 19981030