EP0025215A3 - Contact for an ultrasonic transducer - Google Patents

Contact for an ultrasonic transducer Download PDF

Info

Publication number
EP0025215A3
EP0025215A3 EP80105251A EP80105251A EP0025215A3 EP 0025215 A3 EP0025215 A3 EP 0025215A3 EP 80105251 A EP80105251 A EP 80105251A EP 80105251 A EP80105251 A EP 80105251A EP 0025215 A3 EP0025215 A3 EP 0025215A3
Authority
EP
European Patent Office
Prior art keywords
contact
ultrasonic transducer
foam sheet
piezo body
sigere
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Withdrawn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
EP80105251A
Other languages
German (de)
French (fr)
Other versions
EP0025215A2 (en
Inventor
Hartmut Engel
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
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of EP0025215A2 publication Critical patent/EP0025215A2/en
Publication of EP0025215A3 publication Critical patent/EP0025215A3/en
Withdrawn legal-status Critical Current

Links

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
    • G10K11/02—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators
    • 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
    • B06B1/0666—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 used as a diaphragm

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Transducers For Ultrasonic Waves (AREA)

Abstract

Es wird eine Kontaktierung für einen Ultraschall-Wandler beschrieben, bei dem eine Schaumstoffplatte (2) an einen Piezokörper (1) geklebt ist und der eine innere Elektrode (10) aufweist, die einen Kontakt zu einem äußeren Anschluß hat. Es soll eine technisch möglichst einfache und auch zuverläs­ sigere Kontaktierung für die innenliegende Elektrode (10) geschaffen werden. Dazu wird so vorgegangen, daß die Schaumstoffplatte (2) zumindest an derjenigen ihrer Flächen, an der der Piezokörper (1) und ein Beschwerungsring (3) anzubringen sind, mit einem metallischen Überzug (22) ver­ sehen wird. Die Erfindung findet Anwendung beispielsweise bei Saturn-Ultraschall-Wandlern. It is a contact for an ultrasonic transducer described in which a foam sheet (2) to a Piezo body (1) is glued and the one inner electrode (10) has, which has a contact to an outer terminal. It should be technically as simple as possible and also reliable sigere contact for the internal electrode (10) be created. The procedure is such that the Foam sheet (2) at least on that of its surfaces, on which the piezo body (1) and a weighting ring (3) are to be attached with a metallic coating (22) will see. The invention finds application, for example with Saturn ultrasonic transducers.

EP80105251A 1979-09-11 1980-09-03 Contact for an ultrasonic transducer Withdrawn EP0025215A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2936672 1979-09-11
DE19792936672 DE2936672C2 (en) 1979-09-11 1979-09-11 Contact for an ultrasonic transducer.

Publications (2)

Publication Number Publication Date
EP0025215A2 EP0025215A2 (en) 1981-03-18
EP0025215A3 true EP0025215A3 (en) 1981-07-01

Family

ID=6080556

Family Applications (1)

Application Number Title Priority Date Filing Date
EP80105251A Withdrawn EP0025215A3 (en) 1979-09-11 1980-09-03 Contact for an ultrasonic transducer

Country Status (2)

Country Link
EP (1) EP0025215A3 (en)
DE (1) DE2936672C2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2225426B (en) * 1988-09-29 1993-05-26 Michael John Gill A transducer
JP2006203563A (en) * 2005-01-20 2006-08-03 Nippon Soken Inc Ultrasonic sensor
CN103341439B (en) * 2013-07-24 2015-06-24 苏州科技学院 Large-power air coupling ultrasonic vibration transducer
DE102013022049A1 (en) * 2013-12-23 2015-07-09 Valeo Schalter Und Sensoren Gmbh ultrasonic sensor

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3801839A (en) * 1971-12-03 1974-04-02 Rion Co Mechanical to electrical transducer device
GB2047047A (en) * 1979-04-04 1980-11-19 Sgs Sonomatic Ltd Ultrasonic transducer

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3801839A (en) * 1971-12-03 1974-04-02 Rion Co Mechanical to electrical transducer device
GB2047047A (en) * 1979-04-04 1980-11-19 Sgs Sonomatic Ltd Ultrasonic transducer

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
ELECTRONICS INTERNATIONAL, Band 51, Nr. 11, Mai 1978 New York US "Plastic disk makes transducer excel in calculating distances by ultrasound", Seiten 76,78 * Ganzer Artikel * *

Also Published As

Publication number Publication date
DE2936672C2 (en) 1982-06-03
DE2936672A1 (en) 1981-03-12
EP0025215A2 (en) 1981-03-18

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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

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AK Designated contracting states

Designated state(s): BE FR GB IT NL

PUAL Search report despatched

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AK Designated contracting states

Designated state(s): BE FR GB IT NL

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

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18D Application deemed to be withdrawn

Effective date: 19820612

RIN1 Information on inventor provided before grant (corrected)

Inventor name: ENGEL, HARTMUT