GB1515314A - Polarization of a ferroelectric material - Google Patents

Polarization of a ferroelectric material

Info

Publication number
GB1515314A
GB1515314A GB21761/75A GB2176175A GB1515314A GB 1515314 A GB1515314 A GB 1515314A GB 21761/75 A GB21761/75 A GB 21761/75A GB 2176175 A GB2176175 A GB 2176175A GB 1515314 A GB1515314 A GB 1515314A
Authority
GB
United Kingdom
Prior art keywords
temperature
curie point
ferro
electric
gradient
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
GB21761/75A
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.)
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
Original Assignee
Commissariat a lEnergie Atomique CEA
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 Commissariat a lEnergie Atomique CEA filed Critical Commissariat a lEnergie Atomique CEA
Publication of GB1515314A publication Critical patent/GB1515314A/en
Expired 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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S117/00—Single-crystal, oriented-crystal, and epitaxy growth processes; non-coating apparatus therefor
    • Y10S117/918—Single-crystal waveguide
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/42—Piezoelectric device making

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Inorganic Insulating Materials (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
GB21761/75A 1974-05-30 1975-05-21 Polarization of a ferroelectric material Expired GB1515314A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7418872A FR2273384B1 (https=) 1974-05-30 1974-05-30

Publications (1)

Publication Number Publication Date
GB1515314A true GB1515314A (en) 1978-06-21

Family

ID=9139486

Family Applications (1)

Application Number Title Priority Date Filing Date
GB21761/75A Expired GB1515314A (en) 1974-05-30 1975-05-21 Polarization of a ferroelectric material

Country Status (7)

Country Link
US (1) US4086124A (https=)
JP (1) JPS6029236B2 (https=)
CA (1) CA1061687A (https=)
DE (1) DE2523701C2 (https=)
FR (1) FR2273384B1 (https=)
GB (1) GB1515314A (https=)
NL (1) NL7505791A (https=)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2538157A1 (fr) * 1982-12-15 1984-06-22 Saint Louis Inst Procede et dispositif pour polariser des materiaux ferroelectriques
JPS61205026U (https=) * 1985-06-12 1986-12-24
US5272341A (en) * 1991-07-18 1993-12-21 General Motors Corporation Transpacitor
US5337279A (en) * 1992-03-31 1994-08-09 National Semiconductor Corporation Screening processes for ferroelectric memory devices
US20070188717A1 (en) * 2006-02-14 2007-08-16 Melcher Charles L Method for producing crystal elements having strategically oriented faces for enhancing performance

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3348077A (en) * 1963-12-06 1967-10-17 Rca Corp Ferroelectric circuit element material and transducer utilizing same
GB1065411A (en) 1963-04-01 1967-04-12 Rca Corp Improved ferroelectric device, and/or piezoelectric device; and method for the manufacture of same

Also Published As

Publication number Publication date
JPS6029236B2 (ja) 1985-07-09
FR2273384B1 (https=) 1978-01-20
US4086124A (en) 1978-04-25
NL7505791A (nl) 1975-12-02
DE2523701A1 (de) 1975-12-11
CA1061687A (en) 1979-09-04
JPS513000A (https=) 1976-01-12
DE2523701C2 (de) 1985-09-19
FR2273384A1 (https=) 1975-12-26

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee