DE1796233C2 - Piezoelektrische Keramiken - Google Patents

Piezoelektrische Keramiken

Info

Publication number
DE1796233C2
DE1796233C2 DE1796233A DE1796233A DE1796233C2 DE 1796233 C2 DE1796233 C2 DE 1796233C2 DE 1796233 A DE1796233 A DE 1796233A DE 1796233 A DE1796233 A DE 1796233A DE 1796233 C2 DE1796233 C2 DE 1796233C2
Authority
DE
Germany
Prior art keywords
ceramics
piezoelectric
ceramic
dielectric constant
lead
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
DE1796233A
Other languages
German (de)
English (en)
Other versions
DE1796233B1 (de
Inventor
Masamitsu Osaka Nishida
Hiromu Toyonaka Ouchi
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.)
MATSUSSITA ELECTRIC INDUSTRIAL Co Ltd KADOMA OSAKA (JAPAN)
Original Assignee
MATSUSSITA ELECTRIC INDUSTRIAL Co Ltd KADOMA OSAKA (JAPAN)
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 MATSUSSITA ELECTRIC INDUSTRIAL Co Ltd KADOMA OSAKA (JAPAN) filed Critical MATSUSSITA ELECTRIC INDUSTRIAL Co Ltd KADOMA OSAKA (JAPAN)
Publication of DE1796233B1 publication Critical patent/DE1796233B1/de
Application granted granted Critical
Publication of DE1796233C2 publication Critical patent/DE1796233C2/de
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)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Inorganic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Composite Materials (AREA)
  • Compositions Of Oxide Ceramics (AREA)
DE1796233A 1967-09-26 1968-09-25 Piezoelektrische Keramiken Expired DE1796233C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6250467 1967-09-26

Publications (2)

Publication Number Publication Date
DE1796233B1 DE1796233B1 (de) 1972-03-16
DE1796233C2 true DE1796233C2 (de) 1974-08-08

Family

ID=13202051

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1796233A Expired DE1796233C2 (de) 1967-09-26 1968-09-25 Piezoelektrische Keramiken

Country Status (5)

Country Link
US (1) US3528918A (enExample)
DE (1) DE1796233C2 (enExample)
FR (1) FR1592133A (enExample)
GB (1) GB1184286A (enExample)
NL (1) NL151218B (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3669887A (en) * 1968-08-08 1972-06-13 Matsushita Electric Industrial Co Ltd Piezoelectric ceramic compositions
CA981010A (en) * 1971-04-20 1976-01-06 Matsushita Electric Industrial Co., Ltd. Piezoelectric ceramic compositions
JPS5432516B2 (enExample) * 1973-09-04 1979-10-15
JPS5528436B2 (enExample) * 1973-11-24 1980-07-28
GB1456616A (en) * 1973-12-12 1976-11-24 Murata Manufacturing Co Ferroelectric ceramic composition
JPS5528437B2 (enExample) * 1974-02-20 1980-07-28
US4210546A (en) * 1974-10-09 1980-07-01 Matsushita Electric Industrial Co., Ltd. Piezoelectric ceramic compositions

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1116742B (de) * 1958-09-15 1961-11-09 Brush Crystal Company Ltd Ferroelektrische keramische Mischung fuer ein elektromechanisches Wandlerelement
GB1066752A (en) * 1964-04-28 1967-04-26 Matsushita Electric Industrial Co Ltd Piezoelectric ceramic compositions
NL135252C (enExample) * 1965-10-22 1900-01-01

Also Published As

Publication number Publication date
NL151218B (nl) 1976-10-15
GB1184286A (en) 1970-03-11
NL6813799A (enExample) 1969-03-28
FR1592133A (enExample) 1970-05-11
DE1796233B1 (de) 1972-03-16
US3528918A (en) 1970-09-15

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Legal Events

Date Code Title Description
E77 Valid patent as to the heymanns-index 1977