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DE202004002107U1 - Ultrasonic transducer with a piezoelectric ceramic transducer element and a matching (sic) layer in thermoplastic elastomer simple and cost effective to produce useful in the transmission of ultrasonic sound waves - Google Patents

Ultrasonic transducer with a piezoelectric ceramic transducer element and a matching (sic) layer in thermoplastic elastomer simple and cost effective to produce useful in the transmission of ultrasonic sound waves Download PDF

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Publication number
DE202004002107U1
DE202004002107U1 DE200420002107 DE202004002107U DE202004002107U1 DE 202004002107 U1 DE202004002107 U1 DE 202004002107U1 DE 200420002107 DE200420002107 DE 200420002107 DE 202004002107 U DE202004002107 U DE 202004002107U DE 202004002107 U1 DE202004002107 U1 DE 202004002107U1
Authority
DE
Germany
Prior art keywords
ultrasonic
sic
matching
layer
thermoplastic elastomer
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.)
Expired - Lifetime
Application number
DE200420002107
Other languages
German (de)
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.)
Pepperl and Fuchs SE
Original Assignee
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.)
Filing date
Publication date
Application filed by Siemens Corp filed Critical Siemens Corp
Priority to DE200420002107 priority Critical patent/DE202004002107U1/en
Publication of DE202004002107U1 publication Critical patent/DE202004002107U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
    • 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
    • B06B1/067—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 which is used as, or combined with, an impedance matching layer
    • 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

Landscapes

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

Abstract

Ultrasonic transducer (1) with (a) a piezoelectric transducer element (2),especially a piezoelectric ceramic, (b) connected to a transducer element (2) and a matching (sic) layer (3) in thermoplastic elastomer.
DE200420002107 2004-02-11 2004-02-11 Ultrasonic transducer with a piezoelectric ceramic transducer element and a matching (sic) layer in thermoplastic elastomer simple and cost effective to produce useful in the transmission of ultrasonic sound waves Expired - Lifetime DE202004002107U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE200420002107 DE202004002107U1 (en) 2004-02-11 2004-02-11 Ultrasonic transducer with a piezoelectric ceramic transducer element and a matching (sic) layer in thermoplastic elastomer simple and cost effective to produce useful in the transmission of ultrasonic sound waves

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200420002107 DE202004002107U1 (en) 2004-02-11 2004-02-11 Ultrasonic transducer with a piezoelectric ceramic transducer element and a matching (sic) layer in thermoplastic elastomer simple and cost effective to produce useful in the transmission of ultrasonic sound waves

Publications (1)

Publication Number Publication Date
DE202004002107U1 true DE202004002107U1 (en) 2005-03-31

Family

ID=34399852

Family Applications (1)

Application Number Title Priority Date Filing Date
DE200420002107 Expired - Lifetime DE202004002107U1 (en) 2004-02-11 2004-02-11 Ultrasonic transducer with a piezoelectric ceramic transducer element and a matching (sic) layer in thermoplastic elastomer simple and cost effective to produce useful in the transmission of ultrasonic sound waves

Country Status (1)

Country Link
DE (1) DE202004002107U1 (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1911530A1 (en) * 2006-10-09 2008-04-16 Baumer Electric AG Ultrasound converter with acoustic impedance adjustment
DE202008012795U1 (en) 2008-09-25 2009-11-19 Siemens Aktiengesellschaft Ultrasonic transducer with elastomer matching layer
US20110125024A1 (en) * 2009-10-29 2011-05-26 Roland Mueller Ultrasonic transducer for use in a fluid medium
WO2012175492A2 (en) 2011-06-24 2012-12-27 Avl List Gmbh Capacitive ultrasonic transducer
CN110609589A (en) * 2019-08-30 2019-12-24 Oppo广东移动通信有限公司 Electronic equipment and control method thereof
DE102019104093B3 (en) 2019-02-19 2020-06-10 Elmos Semiconductor Ag Ultrasonic transducer with improved sensitivity and sound radiation

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3674945A (en) * 1970-03-11 1972-07-04 Raytheon Co Acoustic impedance matching system
US3928777A (en) * 1974-08-26 1975-12-23 Dellorfano Jr Fred M Directional ultrasonic transducer with reduced secondary lobes
DE2541492B2 (en) * 1975-09-17 1980-02-21 Siemens Ag, 1000 Berlin Und 8000 Muenchen Ultrasonic transducer
DE3920872A1 (en) * 1989-06-26 1991-01-03 Siemens Ag Hot bonding thermoplastic material to piezoelectric material - in transducer mfr., by surface fusing thermoplastic material
EP0498015B1 (en) * 1991-02-07 1993-10-06 Siemens Aktiengesellschaft Process for manufacturing ultrasonic transducers
DE19630350C2 (en) * 1996-07-26 1998-08-20 Siemens Ag Ultrasonic transducer
JPH11252695A (en) * 1997-12-02 1999-09-17 Gsk:Kk Ultrasonic measuring member
WO1999048621A2 (en) * 1998-03-26 1999-09-30 Exogen, Inc. Arrays made from flexible transducer elements
US6368281B1 (en) * 1999-07-30 2002-04-09 Rodney J Solomon Two-dimensional phased array ultrasound transducer with a convex environmental barrier

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3674945A (en) * 1970-03-11 1972-07-04 Raytheon Co Acoustic impedance matching system
US3928777A (en) * 1974-08-26 1975-12-23 Dellorfano Jr Fred M Directional ultrasonic transducer with reduced secondary lobes
DE2541492B2 (en) * 1975-09-17 1980-02-21 Siemens Ag, 1000 Berlin Und 8000 Muenchen Ultrasonic transducer
DE3920872A1 (en) * 1989-06-26 1991-01-03 Siemens Ag Hot bonding thermoplastic material to piezoelectric material - in transducer mfr., by surface fusing thermoplastic material
EP0498015B1 (en) * 1991-02-07 1993-10-06 Siemens Aktiengesellschaft Process for manufacturing ultrasonic transducers
DE19630350C2 (en) * 1996-07-26 1998-08-20 Siemens Ag Ultrasonic transducer
JPH11252695A (en) * 1997-12-02 1999-09-17 Gsk:Kk Ultrasonic measuring member
WO1999048621A2 (en) * 1998-03-26 1999-09-30 Exogen, Inc. Arrays made from flexible transducer elements
US6368281B1 (en) * 1999-07-30 2002-04-09 Rodney J Solomon Two-dimensional phased array ultrasound transducer with a convex environmental barrier

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1911530A1 (en) * 2006-10-09 2008-04-16 Baumer Electric AG Ultrasound converter with acoustic impedance adjustment
DE202008012795U1 (en) 2008-09-25 2009-11-19 Siemens Aktiengesellschaft Ultrasonic transducer with elastomer matching layer
US20110125024A1 (en) * 2009-10-29 2011-05-26 Roland Mueller Ultrasonic transducer for use in a fluid medium
US8288920B2 (en) * 2009-10-29 2012-10-16 Robert Bosch Gmbh Ultrasonic transducer for use in a fluid medium
WO2012175492A2 (en) 2011-06-24 2012-12-27 Avl List Gmbh Capacitive ultrasonic transducer
DE102019104093B3 (en) 2019-02-19 2020-06-10 Elmos Semiconductor Ag Ultrasonic transducer with improved sensitivity and sound radiation
CN110609589A (en) * 2019-08-30 2019-12-24 Oppo广东移动通信有限公司 Electronic equipment and control method thereof

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Legal Events

Date Code Title Description
R163 Identified publications notified
R207 Utility model specification

Effective date: 20050504

R150 Term of protection extended to 6 years

Effective date: 20070511

R151 Term of protection extended to 8 years

Effective date: 20100428

R081 Change of applicant/patentee

Owner name: PEPPERL + FUCHS GMBH, DE

Free format text: FORMER OWNER: SIEMENS AKTIENGESELLSCHAFT, 80333 MUENCHEN, DE

Effective date: 20101105

R152 Term of protection extended to 10 years
R152 Term of protection extended to 10 years

Effective date: 20120316

R071 Expiry of right
R071 Expiry of right