FR2323236A1 - POLARIZED FRITTED BODY AND ITS REALIZATION PROCESS - Google Patents

POLARIZED FRITTED BODY AND ITS REALIZATION PROCESS

Info

Publication number
FR2323236A1
FR2323236A1 FR7626487A FR7626487A FR2323236A1 FR 2323236 A1 FR2323236 A1 FR 2323236A1 FR 7626487 A FR7626487 A FR 7626487A FR 7626487 A FR7626487 A FR 7626487A FR 2323236 A1 FR2323236 A1 FR 2323236A1
Authority
FR
France
Prior art keywords
fritted
polarized
realization process
realization
polarized fritted
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.)
Granted
Application number
FR7626487A
Other languages
French (fr)
Other versions
FR2323236B1 (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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of FR2323236A1 publication Critical patent/FR2323236A1/en
Application granted granted Critical
Publication of FR2323236B1 publication Critical patent/FR2323236B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G7/00—Capacitors in which the capacitance is varied by non-mechanical means; Processes of their manufacture
    • H01G7/02—Electrets, i.e. having a permanently-polarised dielectric
    • H01G7/025—Electrets, i.e. having a permanently-polarised dielectric having an inorganic dielectric
    • H01G7/026—Electrets, i.e. having a permanently-polarised dielectric having an inorganic dielectric with ceramic dielectric
    • 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
    • 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
    • H10N30/09—Forming piezoelectric or electrostrictive materials
    • H10N30/093—Forming inorganic materials
    • H10N30/097—Forming inorganic materials by sintering

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Chemistry (AREA)
  • Power Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Inorganic Insulating Materials (AREA)
FR7626487A 1975-09-02 1976-09-02 POLARIZED FRITTED BODY AND ITS REALIZATION PROCESS Granted FR2323236A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7510305A NL7510305A (en) 1975-09-02 1975-09-02 PROCESS FOR THE MANUFACTURE OF A POLARIZED SINTER BODY, WHOLLY OR PARTIALLY CONSISTING OF A FABRIC WITH FERROELECTRIC PROPERTIES AND POLARIZED SINTER BODIES.

Publications (2)

Publication Number Publication Date
FR2323236A1 true FR2323236A1 (en) 1977-04-01
FR2323236B1 FR2323236B1 (en) 1979-06-22

Family

ID=19824392

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7626487A Granted FR2323236A1 (en) 1975-09-02 1976-09-02 POLARIZED FRITTED BODY AND ITS REALIZATION PROCESS

Country Status (5)

Country Link
JP (1) JPS5229999A (en)
DE (1) DE2637951C2 (en)
FR (1) FR2323236A1 (en)
GB (1) GB1552964A (en)
NL (1) NL7510305A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19946718C2 (en) 1999-09-29 2002-01-10 Siemens Ag Pretreatment process for an electro-mechanical converter
ATE308119T1 (en) 2002-02-01 2005-11-15 Siemens Ag METHOD FOR PRETREATING A PIEZOELECTRIC CERAMIC AND METHOD FOR ADJUSTING AN INJECTION VALVE

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3310720A (en) * 1964-01-03 1967-03-21 Bell Telephone Labor Inc Polarization process for ceramics
FR1554730A (en) * 1967-10-23 1969-01-24

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE760015A (en) * 1970-01-22 1971-05-17 Western Electric Co FERROELECTRIC POLARIZATION OF FILLED CRYSTALLINE MATERIALS, STRUCTURE ANALOGUE TO THAT OF TUNGSTEN BRONZES
JPS509234A (en) * 1973-05-30 1975-01-30

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3310720A (en) * 1964-01-03 1967-03-21 Bell Telephone Labor Inc Polarization process for ceramics
FR1554730A (en) * 1967-10-23 1969-01-24

Also Published As

Publication number Publication date
GB1552964A (en) 1979-09-19
DE2637951A1 (en) 1977-03-10
NL7510305A (en) 1977-03-04
FR2323236B1 (en) 1979-06-22
JPS5229999A (en) 1977-03-07
DE2637951C2 (en) 1982-12-23

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Legal Events

Date Code Title Description
ST Notification of lapse