GB1523078A - Piezoelectric ceramic - Google Patents

Piezoelectric ceramic

Info

Publication number
GB1523078A
GB1523078A GB34180/76A GB3418076A GB1523078A GB 1523078 A GB1523078 A GB 1523078A GB 34180/76 A GB34180/76 A GB 34180/76A GB 3418076 A GB3418076 A GB 3418076A GB 1523078 A GB1523078 A GB 1523078A
Authority
GB
United Kingdom
Prior art keywords
piezoelectric ceramic
aug
pseudoquaternary
mno
heading
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
GB34180/76A
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Publication of GB1523078A publication Critical patent/GB1523078A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C04B35/49—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 containing also titanium oxides or titanates
    • C04B35/491—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 containing also titanium oxides or titanates based on lead zirconates and lead titanates, e.g. PZT
    • C04B35/493—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 containing also titanium oxides or titanates based on lead zirconates and lead titanates, e.g. PZT containing also other lead compounds
    • 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

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Composite Materials (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Oxide Ceramics (AREA)

Abstract

1523078 Piezoelectric ceramic INTERNATIONAL STANDARD ELECTRIC CORP 17 Aug 1976 [29 Aug 1975] 34180/76 Heading C1J A piezoelectric ceramic is formed by a solid solution of several components, and is a pseudoquaternary composition of formula Pb(Li 1/4 Nb 3/4 ) x (Zn 1/3 Nb 2/3 ) y Ti z Zr u O 3 or Pb(Li 1/4 Nb 3/4 ) x (Ni 1/3 Nb 2/3 ) y Ti z Zr u O 3 where x = 0À01-0À34, y=0À01-0À34, x+y= 0À02-0À35, z=0À20-0À60, x+y+z+u= 1, containing an addition of 0À1-1À5% by wt. of MnO 2 .
GB34180/76A 1975-08-29 1976-08-17 Piezoelectric ceramic Expired GB1523078A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2538408A DE2538408C2 (en) 1975-08-29 1975-08-29 Piezoelectric ceramics

Publications (1)

Publication Number Publication Date
GB1523078A true GB1523078A (en) 1978-08-31

Family

ID=5955080

Family Applications (1)

Application Number Title Priority Date Filing Date
GB34180/76A Expired GB1523078A (en) 1975-08-29 1976-08-17 Piezoelectric ceramic

Country Status (3)

Country Link
DE (1) DE2538408C2 (en)
GB (1) GB1523078A (en)
IT (1) IT1065218B (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5528436B2 (en) * 1973-11-24 1980-07-28

Also Published As

Publication number Publication date
IT1065218B (en) 1985-02-25
DE2538408C2 (en) 1982-06-09
DE2538408A1 (en) 1977-03-10

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee
PCPE Delete 'patent ceased' from journal

Free format text: 5171,PAGE 895

PCNP Patent ceased through non-payment of renewal fee

Effective date: 19920817