EP0409007A3 - Ultrasonic layered transducer - Google Patents

Ultrasonic layered transducer Download PDF

Info

Publication number
EP0409007A3
EP0409007A3 EP19900112871 EP90112871A EP0409007A3 EP 0409007 A3 EP0409007 A3 EP 0409007A3 EP 19900112871 EP19900112871 EP 19900112871 EP 90112871 A EP90112871 A EP 90112871A EP 0409007 A3 EP0409007 A3 EP 0409007A3
Authority
EP
European Patent Office
Prior art keywords
layered transducer
ultrasonic
ultrasonic layered
transducer
layered
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
Application number
EP19900112871
Other languages
German (de)
Other versions
EP0409007A2 (en
EP0409007B1 (en
Inventor
Hans-Joachim Burger
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 EP0409007A2 publication Critical patent/EP0409007A2/en
Publication of EP0409007A3 publication Critical patent/EP0409007A3/en
Application granted granted Critical
Publication of EP0409007B1 publication Critical patent/EP0409007B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B06B1/0644—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
EP90112871A 1989-07-17 1990-07-05 Ultrasonic layered transducer Expired - Lifetime EP0409007B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3923591 1989-07-17
DE3923591 1989-07-17

Publications (3)

Publication Number Publication Date
EP0409007A2 EP0409007A2 (en) 1991-01-23
EP0409007A3 true EP0409007A3 (en) 1991-11-13
EP0409007B1 EP0409007B1 (en) 1994-10-19

Family

ID=6385207

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90112871A Expired - Lifetime EP0409007B1 (en) 1989-07-17 1990-07-05 Ultrasonic layered transducer

Country Status (3)

Country Link
EP (1) EP0409007B1 (en)
JP (1) JPH0353700A (en)
DE (1) DE59007485D1 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2151196A5 (en) * 1971-08-25 1973-04-13 Siderurgie Fse Inst Rech
FR2307436A1 (en) * 1975-04-11 1976-11-05 Bonhomme F R IMPROVEMENTS TO PRINTED CIRCUIT CARDS

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2151196A5 (en) * 1971-08-25 1973-04-13 Siderurgie Fse Inst Rech
FR2307436A1 (en) * 1975-04-11 1976-11-05 Bonhomme F R IMPROVEMENTS TO PRINTED CIRCUIT CARDS

Also Published As

Publication number Publication date
EP0409007A2 (en) 1991-01-23
EP0409007B1 (en) 1994-10-19
DE59007485D1 (en) 1994-11-24
JPH0353700A (en) 1991-03-07

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