FR2149820A5 - - Google Patents

Info

Publication number
FR2149820A5
FR2149820A5 FR7227763A FR7227763A FR2149820A5 FR 2149820 A5 FR2149820 A5 FR 2149820A5 FR 7227763 A FR7227763 A FR 7227763A FR 7227763 A FR7227763 A FR 7227763A FR 2149820 A5 FR2149820 A5 FR 2149820A5
Authority
FR
France
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
FR7227763A
Other languages
French (fr)
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 Corp
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
Priority claimed from DE19712138820 external-priority patent/DE2138820C3/de
Application filed by Siemens Corp filed Critical Siemens Corp
Application granted granted Critical
Publication of FR2149820A5 publication Critical patent/FR2149820A5/fr
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)
FR7227763A 1971-08-03 1972-08-01 Expired FR2149820A5 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712138820 DE2138820C3 (de) 1971-08-03 Verfahren zur Polarisation von Piezokeramik

Publications (1)

Publication Number Publication Date
FR2149820A5 true FR2149820A5 (enrdf_load_stackoverflow) 1973-03-30

Family

ID=5815667

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7227763A Expired FR2149820A5 (enrdf_load_stackoverflow) 1971-08-03 1972-08-01

Country Status (3)

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

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
HU171033B (hu) * 1974-05-29 1977-10-28 Richter Gedeon Vegyeszet Sposob poluchenija proizvodnykh benzodiazepina
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
GB2570707B (en) * 2018-02-05 2021-09-08 Xaar Technology Ltd A method of poling piezoelectric elements of an actuator
CN113991008A (zh) * 2021-10-28 2022-01-28 海鹰企业集团有限责任公司 一种压电陶瓷单面两极区域同时极化的极化方法

Also Published As

Publication number Publication date
GB1366410A (en) 1974-09-11
JPS4825199A (enrdf_load_stackoverflow) 1973-04-02
DE2138820A1 (de) 1973-02-15
DE2138820B2 (de) 1975-06-26

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Legal Events

Date Code Title Description
ST Notification of lapse