CA919408A - Piezoelectric ceramic compositions - Google Patents

Piezoelectric ceramic compositions

Info

Publication number
CA919408A
CA919408A CA061490A CA61490A CA919408A CA 919408 A CA919408 A CA 919408A CA 061490 A CA061490 A CA 061490A CA 61490 A CA61490 A CA 61490A CA 919408 A CA919408 A CA 919408A
Authority
CA
Canada
Prior art keywords
piezoelectric ceramic
ceramic compositions
compositions
piezoelectric
ceramic
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
CA061490A
Other languages
English (en)
Inventor
Ouchi Hiromu
Nishida Masamitsu
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Application granted granted Critical
Publication of CA919408A publication Critical patent/CA919408A/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
    • H01G7/026—Electrets, i.e. having a permanently-polarised dielectric having an inorganic dielectric with ceramic dielectric
    • 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
    • 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
    • C04B35/48—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 zirconium or hafnium oxides, zirconates, zircon or hafnates
    • 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
    • C04B35/50—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on rare-earth compounds
    • 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
    • C04B35/51—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on compounds of actinides

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Organic Chemistry (AREA)
  • Structural Engineering (AREA)
  • Materials Engineering (AREA)
  • Power Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Plasma & Fusion (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Composite Materials (AREA)
  • Compositions Of Oxide Ceramics (AREA)
CA061490A 1968-10-01 1969-09-09 Piezoelectric ceramic compositions Expired CA919408A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7206268 1968-10-01

Publications (1)

Publication Number Publication Date
CA919408A true CA919408A (en) 1973-01-23

Family

ID=13478513

Family Applications (1)

Application Number Title Priority Date Filing Date
CA061490A Expired CA919408A (en) 1968-10-01 1969-09-09 Piezoelectric ceramic compositions

Country Status (6)

Country Link
US (1) US3649540A (fr)
CA (1) CA919408A (fr)
DE (1) DE1950317C3 (fr)
FR (1) FR2019549A1 (fr)
GB (1) GB1281026A (fr)
NL (1) NL147714B (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4087366A (en) * 1973-11-30 1978-05-02 Tdk Electronic Company Method of preparing a piezoelectric ceramic composition
US4169803A (en) * 1973-11-30 1979-10-02 Tdk Electronic Company Ferromagnetic piezoelectric ceramic composition
US4184971A (en) * 1976-07-29 1980-01-22 Tdk Electronic Co. Ferromagneticpiezoelectric ceramic composition
DE2940393A1 (de) * 1979-10-05 1981-04-16 Standard Elektrik Lorenz Ag, 7000 Stuttgart Piezoelektrische keramik
DE10101188A1 (de) * 2001-01-12 2002-08-01 Bosch Gmbh Robert Piezoelektrisches keramisches Material, Verfahren zu dessen Herstellung und elektrokeramisches Mehrlagenbauteil

Also Published As

Publication number Publication date
DE1950317B2 (de) 1971-11-25
US3649540A (en) 1972-03-14
GB1281026A (en) 1972-07-12
DE1950317A1 (de) 1970-09-10
NL6914850A (fr) 1970-04-03
DE1950317C3 (de) 1975-03-13
NL147714B (nl) 1975-11-17
FR2019549A1 (fr) 1970-07-03

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