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JPS566488A - Oxide piezo-electric material - Google Patents

Oxide piezo-electric material

Info

Publication number
JPS566488A
JPS566488A JP8069779A JP8069779A JPS566488A JP S566488 A JPS566488 A JP S566488A JP 8069779 A JP8069779 A JP 8069779A JP 8069779 A JP8069779 A JP 8069779A JP S566488 A JPS566488 A JP S566488A
Authority
JP
Japan
Prior art keywords
electric material
oxide piezo
piezo
oxide
composition
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.)
Pending
Application number
JP8069779A
Other languages
Japanese (ja)
Inventor
Yohachi Yamashita
Katsunori Yokoyama
Tadashi Ido
Seiichi Yoshida
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP8069779A priority Critical patent/JPS566488A/en
Publication of JPS566488A publication Critical patent/JPS566488A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • H10N30/8548—Lead-based oxides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Compositions Of Oxide Ceramics (AREA)

Abstract

PURPOSE:To reduce the dielectric constant of an oxide piezo-electric material to less than 200, and set the temperature coefficient of the fundamental wave of the resonance frequency thereof within + or -20ppm by employing the material of special composition. CONSTITUTION:An oxide piezo-electric material contains a composition of (Pb1-a Caa)[(Co1/2W1/2)xTi1-x]O3, where a=0.10-0.15, x=0.05-0.10, and as sub- component 0.05-1.0% by weight of at least one of MnO, NiO and Fe3O3. Such oxide piezo-electric material may be generally easily produced by a powder metallurgical process.
JP8069779A 1979-06-28 1979-06-28 Oxide piezo-electric material Pending JPS566488A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8069779A JPS566488A (en) 1979-06-28 1979-06-28 Oxide piezo-electric material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8069779A JPS566488A (en) 1979-06-28 1979-06-28 Oxide piezo-electric material

Publications (1)

Publication Number Publication Date
JPS566488A true JPS566488A (en) 1981-01-23

Family

ID=13725512

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8069779A Pending JPS566488A (en) 1979-06-28 1979-06-28 Oxide piezo-electric material

Country Status (1)

Country Link
JP (1) JPS566488A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58131074A (en) * 1982-01-29 1983-08-04 Toshiba Corp Color thermal printer
JPS61284608A (en) * 1985-06-11 1986-12-15 Shin Meiwa Ind Co Ltd Signal processing unit for differential transformer
JP2006320403A (en) * 2005-05-17 2006-11-30 Daikoku Denki Co Ltd Winning device for pachinko game machine and pachinko game machine
JP4852666B1 (en) * 2011-03-04 2012-01-11 株式会社マコメ研究所 Displacement sensor

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5841790A (en) * 1981-08-31 1983-03-11 株式会社カネコ Initiator composition for fireworks

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5841790A (en) * 1981-08-31 1983-03-11 株式会社カネコ Initiator composition for fireworks

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58131074A (en) * 1982-01-29 1983-08-04 Toshiba Corp Color thermal printer
JPS61284608A (en) * 1985-06-11 1986-12-15 Shin Meiwa Ind Co Ltd Signal processing unit for differential transformer
JP2006320403A (en) * 2005-05-17 2006-11-30 Daikoku Denki Co Ltd Winning device for pachinko game machine and pachinko game machine
JP4852666B1 (en) * 2011-03-04 2012-01-11 株式会社マコメ研究所 Displacement sensor
JP2012185032A (en) * 2011-03-04 2012-09-27 Makome Kenkyusho:Kk Displacement sensor

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