GB1366410A - Producing a polarized piezoelectric ceramic member - Google Patents

Producing a polarized piezoelectric ceramic member

Info

Publication number
GB1366410A
GB1366410A GB3596772A GB3596772A GB1366410A GB 1366410 A GB1366410 A GB 1366410A GB 3596772 A GB3596772 A GB 3596772A GB 3596772 A GB3596772 A GB 3596772A GB 1366410 A GB1366410 A GB 1366410A
Authority
GB
United Kingdom
Prior art keywords
producing
piezoelectric ceramic
ceramic member
polarized piezoelectric
aug
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
GB3596772A
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
Priority claimed from DE19712138820 external-priority patent/DE2138820C3/en
Application filed by Siemens AG filed Critical Siemens AG
Publication of GB1366410A publication Critical patent/GB1366410A/en
Expired legal-status Critical Current

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
    • H10N30/01—Manufacture or treatment
    • H10N30/04—Treatments to modify a piezoelectric or electrostrictive property, e.g. polarisation characteristics, vibration characteristics or mode tuning
    • H10N30/045—Treatments to modify a piezoelectric or electrostrictive property, e.g. polarisation characteristics, vibration characteristics or mode tuning by polarising

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)

Abstract

1366410 Piezo-electric crystals SIEMENS AG 1 Aug 1972 [3 Aug 1971] 35967/72 Heading H1E A ceramic piezo-electric element 2 is polarized by heating it dielectrically with an alternating voltage from a transformer 1 and then cooling it while applying a direct voltage across the element. The cooling may be natural or assisted. The process is applicable to materials such as barium titanate and similar Perovskite structure mixed crystals.
GB3596772A 1971-08-03 1972-08-01 Producing a polarized piezoelectric ceramic member Expired GB1366410A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712138820 DE2138820C3 (en) 1971-08-03 Process for the polarization of piezoceramics

Publications (1)

Publication Number Publication Date
GB1366410A true GB1366410A (en) 1974-09-11

Family

ID=5815667

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3596772A Expired GB1366410A (en) 1971-08-03 1972-08-01 Producing a polarized piezoelectric ceramic member

Country Status (3)

Country Link
JP (1) JPS4825199A (en)
FR (1) FR2149820A5 (en)
GB (1) GB1366410A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019150115A1 (en) * 2018-02-05 2019-08-08 Xaar Technology Limited Method for poling piezoelectric actuator elements

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
HU171033B (en) * 1974-05-29 1977-10-28 Richter Gedeon Vegyeszet Process for producing benzodiazepine derivatives
HU187262B (en) * 1979-08-16 1985-12-28 Richter Gedeon Vegyeszet Process for preparing new tetrahydro-1,4-benzodiazepin-2-ones
US4329341A (en) * 1980-11-26 1982-05-11 Richter Gedeon Vegyeszeti Gyar Rt 5-Phenyl-1,3,4,5-tetrahydro-2H-1,4-benzodiazepin-2-ones, and pharmaceutical compositions containing them

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019150115A1 (en) * 2018-02-05 2019-08-08 Xaar Technology Limited Method for poling piezoelectric actuator elements
CN111684614A (en) * 2018-02-05 2020-09-18 赛尔科技有限公司 Method for polarizing a piezoelectric actuator element
GB2570707B (en) * 2018-02-05 2021-09-08 Xaar Technology Ltd A method of poling piezoelectric elements of an actuator

Also Published As

Publication number Publication date
JPS4825199A (en) 1973-04-02
FR2149820A5 (en) 1973-03-30
DE2138820A1 (en) 1973-02-15
DE2138820B2 (en) 1975-06-26

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees