BR8203657A - Instalacao com pelo menos um elemento piezoeletrico - Google Patents

Instalacao com pelo menos um elemento piezoeletrico

Info

Publication number
BR8203657A
BR8203657A BR8203657A BR8203657A BR8203657A BR 8203657 A BR8203657 A BR 8203657A BR 8203657 A BR8203657 A BR 8203657A BR 8203657 A BR8203657 A BR 8203657A BR 8203657 A BR8203657 A BR 8203657A
Authority
BR
Brazil
Prior art keywords
installation
piezoelectric element
piezoelectric
Prior art date
Application number
BR8203657A
Other languages
English (en)
Inventor
Gunter Engel
Peter Krempl
Original Assignee
List Hans
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
Priority claimed from AT0280781A external-priority patent/AT370523B/de
Priority claimed from AT0185482A external-priority patent/AT378627B/de
Application filed by List Hans filed Critical List Hans
Publication of BR8203657A publication Critical patent/BR8203657A/pt

Links

Classifications

    • 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
    • H10N30/85—Piezoelectric or electrostrictive active materials
    • H10N30/853—Ceramic compositions

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
BR8203657A 1981-06-24 1982-06-23 Instalacao com pelo menos um elemento piezoeletrico BR8203657A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0280781A AT370523B (de) 1981-06-24 1981-06-24 Piezoelektrischer messwertaufnehmer
AT0185482A AT378627B (de) 1982-05-11 1982-05-11 Piezoelektrische, elektroakustische bauelemente

Publications (1)

Publication Number Publication Date
BR8203657A true BR8203657A (pt) 1983-06-21

Family

ID=25596989

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8203657A BR8203657A (pt) 1981-06-24 1982-06-23 Instalacao com pelo menos um elemento piezoeletrico

Country Status (5)

Country Link
EP (1) EP0069112B1 (pt)
BR (1) BR8203657A (pt)
DE (1) DE3270962D1 (pt)
DK (1) DK158178C (pt)
IL (1) IL66088A (pt)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT393182B (de) * 1987-11-11 1991-08-26 Avl Verbrennungskraft Messtech Piezoelektrisches kristallelement und verfahren zur herstellung
AT393183B (de) * 1987-12-15 1991-08-26 Avl Verbrennungskraft Messtech Piezoelektrisches kristallelement und verfahren zur herstellung desselben
AT390853B (de) * 1988-11-25 1990-07-10 Avl Verbrennungskraft Messtech Piezoelektrisches kristallelement auf der basis von gapo4
FR2668948B1 (fr) * 1990-11-13 1993-04-23 Cepe Procede de dissolution d'un materiau cristallin.
AT401837B (de) * 1993-03-04 1996-12-27 Avl Verbrennungskraft Messtech Piezoelektrisches kristallelement
FR2732768B1 (fr) * 1995-04-07 1997-05-16 Thomson Csf Capteur chimique haute temperature

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4109172A (en) * 1977-08-19 1978-08-22 The United States Of America As Represented By The Secretary Of The Air Force High piezoelectric coupling-temperature compensated berlinite substrate member for surface acoustic wave devices
US4109173A (en) * 1977-08-19 1978-08-22 The United States Of America As Represented By The Secretary Of The Air Force High piezoelectric coupling, low diffraction loss, temperature compensated berlinite substrate members for surface acoustic wave devices

Also Published As

Publication number Publication date
DK158178B (da) 1990-04-02
DE3270962D1 (en) 1986-06-12
IL66088A (en) 1985-04-30
EP0069112B1 (de) 1986-05-07
DK158178C (da) 1990-09-17
DK282282A (da) 1982-12-25
IL66088A0 (en) 1982-09-30
EP0069112A1 (de) 1983-01-05

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Legal Events

Date Code Title Description
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 23/06/97