GB1525248A - Piezoelectric apparatus - Google Patents

Piezoelectric apparatus

Info

Publication number
GB1525248A
GB1525248A GB40433/75A GB4043375A GB1525248A GB 1525248 A GB1525248 A GB 1525248A GB 40433/75 A GB40433/75 A GB 40433/75A GB 4043375 A GB4043375 A GB 4043375A GB 1525248 A GB1525248 A GB 1525248A
Authority
GB
United Kingdom
Prior art keywords
piezoelectric
dielectric
stack
dielectric medium
oct
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
Application number
GB40433/75A
Other languages
English (en)
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.)
Physics International Co
Original Assignee
Physics International 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 Physics International Co filed Critical Physics International Co
Publication of GB1525248A publication Critical patent/GB1525248A/en
Expired 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
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00—Piezoelectric or electrostrictive devices
    • H10N30/50—Piezoelectric or electrostrictive devices having a stacked or multilayer structure
    • H10N30/503—Piezoelectric or electrostrictive devices having a stacked or multilayer structure having a non-rectangular cross-section in a plane orthogonal to the stacking direction, e.g. polygonal or circular in top view
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00—Piezoelectric or electrostrictive devices
    • H10N30/80—Constructional details
    • H10N30/88—Mounts; Supports; Enclosures; Casings
    • H10N30/883—Additional insulation means preventing electrical, physical or chemical damage, e.g. protective coatings

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Reciprocating Pumps (AREA)
  • General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
GB40433/75A 1974-10-03 1975-10-02 Piezoelectric apparatus Expired GB1525248A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US51178774A 1974-10-03 1974-10-03

Publications (1)

Publication Number Publication Date
GB1525248A true GB1525248A (en) 1978-09-20

Family

ID=24036448

Family Applications (1)

Application Number Title Priority Date Filing Date
GB40433/75A Expired GB1525248A (en) 1974-10-03 1975-10-02 Piezoelectric apparatus

Country Status (10)

Country Link
JP (1) JPS5510153B2 (fr)
AU (1) AU506789B2 (fr)
BR (1) BR7506398A (fr)
CA (1) CA1057846A (fr)
ES (1) ES441496A1 (fr)
FR (1) FR2287111A1 (fr)
GB (1) GB1525248A (fr)
IT (1) IT1043080B (fr)
MX (1) MX143980A (fr)
SE (1) SE405661B (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2193386A (en) * 1986-07-31 1988-02-03 Toyota Motor Co Ltd Piezoelectric actuator
US6930438B2 (en) 2001-04-30 2005-08-16 Epcos Ag Multilayer electrical component having a passivation layer

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8105502A (nl) * 1981-12-08 1983-07-01 Philips Nv Werkwijze voor het vervaardigen van een piezo-elektrische inrichting alsmede een inrichting vervaardigd volgens deze werkwijze.
DE3378393D1 (en) * 1982-05-11 1988-12-08 Nec Corp Multilayer electrostrictive element which withstands repeated application of pulses
JPH01144690A (ja) * 1987-11-30 1989-06-06 Ohkura Electric Co Ltd 積層圧電アクチュエータ
JPH02250678A (ja) * 1989-03-23 1990-10-08 Tokin Corp 積層型圧電アクチュエータ
EP2079113B1 (fr) 2008-01-09 2013-03-13 Delphi Technologies Holding S.à.r.l. Encapsulation pressurisée au gaz pour actionneur

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2193386A (en) * 1986-07-31 1988-02-03 Toyota Motor Co Ltd Piezoelectric actuator
US4803393A (en) * 1986-07-31 1989-02-07 Toyota Jidosha Kabushiki Kaisha Piezoelectric actuator
GB2193386B (en) * 1986-07-31 1990-05-30 Toyota Motor Co Ltd Piezoelectric actuator
US6930438B2 (en) 2001-04-30 2005-08-16 Epcos Ag Multilayer electrical component having a passivation layer

Also Published As

Publication number Publication date
JPS5510153B2 (fr) 1980-03-14
AU8534475A (en) 1977-04-07
FR2287111A1 (fr) 1976-04-30
JPS5185390A (fr) 1976-07-26
FR2287111B1 (fr) 1979-04-06
SE7511059L (sv) 1976-04-05
CA1057846A (fr) 1979-07-03
DE2544140A1 (de) 1976-04-08
DE2544140B2 (de) 1977-03-10
SE405661B (sv) 1978-12-18
MX143980A (es) 1981-08-17
IT1043080B (it) 1980-02-20
ES441496A1 (es) 1977-08-01
BR7506398A (pt) 1976-08-10
AU506789B2 (en) 1980-01-24

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
746 Register noted 'licences of right' (sect. 46/1977)
PCNP Patent ceased through non-payment of renewal fee