BE509098A - - Google Patents

Info

Publication number
BE509098A
BE509098A BE509098DA BE509098A BE 509098 A BE509098 A BE 509098A BE 509098D A BE509098D A BE 509098DA BE 509098 A BE509098 A BE 509098A
Authority
BE
Belgium
Application number
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.)
Publication of BE509098A publication Critical patent/BE509098A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/46—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates
    • C04B35/462—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates based on titanates
    • C04B35/465—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates based on titanates based on alkaline earth metal titanates
    • C04B35/468—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates based on titanates based on alkaline earth metal titanates based on barium titanates
    • C04B35/4682—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates based on titanates based on alkaline earth metal titanates based on barium titanates based on BaTiO3 perovskite phase
    • 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

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Manufacturing & Machinery (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Inorganic Insulating Materials (AREA)
BE509098D 1951-02-10 BE509098A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US210391A US2708243A (en) 1951-02-10 1951-02-10 Polycrystalline ceramic material

Publications (1)

Publication Number Publication Date
BE509098A true BE509098A (da)

Family

ID=22782720

Family Applications (1)

Application Number Title Priority Date Filing Date
BE509098D BE509098A (da) 1951-02-10

Country Status (7)

Country Link
US (1) US2708243A (da)
BE (1) BE509098A (da)
CH (1) CH304854A (da)
DE (1) DE1011646B (da)
FR (1) FR1052792A (da)
GB (1) GB716046A (da)
NL (1) NL85585C (da)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3103440A (en) * 1963-09-10 Electrostrictive barium titanate ceramic with
US3103441A (en) * 1963-09-10 Ceramic materials having flat temperature characteristics
US3013977A (en) * 1958-08-07 1961-12-19 Herbert L Berman Ferroelectric materials
NL123567C (da) * 1960-04-29
DE1466189B1 (de) * 1964-08-10 1970-06-25 Nippon Electric Co Verfahren zur piezoelektrischen Aktivierung eines ferroelektrischen Stoffes
US3365633A (en) * 1965-05-27 1968-01-23 Linden Lab Inc Method of treating polycrystalline ceramics for polarizing them
US3899697A (en) * 1971-05-14 1975-08-12 Stewart E Cummins Bistable positioner comprising a dimensionally bistable ferroelectric crystal
JP3301380B2 (ja) * 1997-06-27 2002-07-15 株式会社村田製作所 圧電セラミック焼結体、圧電セラミック素子、および積層圧電セラミック素子、ならびに圧電セラミック焼結体の製造方法
US6526833B1 (en) * 2000-03-13 2003-03-04 Massachusetts Institute Of Technology Rhombohedral-phase barium titanate as a piezoelectric transducer

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE680204C (de) * 1936-01-07 1939-08-24 Steatit Magnesia Akt Ges Verfahren zur Herstellung keramischer Kondensatordielektriken
US2467169A (en) * 1942-11-12 1949-04-12 Nat Lead Co High dielectric material and method of making same
GB574577A (en) * 1942-12-08 1946-01-11 Dubilier Condenser Co 1925 Ltd Improvements in or relating to ceramic compositions
US2402516A (en) * 1943-11-02 1946-06-18 Titanium Alloy Mfg Co High dielectric material and method of making same
US2486560A (en) * 1946-09-20 1949-11-01 Erie Resistor Corp Transducer and method of making the same
GB664370A (da) * 1947-09-20
NL86933C (da) * 1949-09-12

Also Published As

Publication number Publication date
CH304854A (de) 1955-01-31
DE1011646B (de) 1957-07-04
FR1052792A (fr) 1954-01-27
NL85585C (da)
US2708243A (en) 1955-05-10
GB716046A (en) 1954-09-29

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