GB1184888A - Piezoelectric Ceramic Compositions - Google Patents

Piezoelectric Ceramic Compositions

Info

Publication number
GB1184888A
GB1184888A GB51061/68A GB5106168A GB1184888A GB 1184888 A GB1184888 A GB 1184888A GB 51061/68 A GB51061/68 A GB 51061/68A GB 5106168 A GB5106168 A GB 5106168A GB 1184888 A GB1184888 A GB 1184888A
Authority
GB
United Kingdom
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
GB51061/68A
Other languages
English (en)
Inventor
Hiromu Ouchi
Masamitsu Nishida
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
Publication of GB1184888A publication Critical patent/GB1184888A/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
    • C04B35/48—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)
  • Power Engineering (AREA)
  • Composite Materials (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Compositions Of Oxide Ceramics (AREA)
GB51061/68A 1967-10-27 1968-10-28 Piezoelectric Ceramic Compositions Expired GB1184888A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6977067 1967-10-27

Publications (1)

Publication Number Publication Date
GB1184888A true GB1184888A (en) 1970-03-18

Family

ID=13412348

Family Applications (1)

Application Number Title Priority Date Filing Date
GB51061/68A Expired GB1184888A (en) 1967-10-27 1968-10-28 Piezoelectric Ceramic Compositions

Country Status (5)

Country Link
US (1) US3652413A (enExample)
DE (1) DE1796244A1 (enExample)
FR (1) FR1604576A (enExample)
GB (1) GB1184888A (enExample)
NL (1) NL6815213A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0739866A1 (en) * 1995-04-21 1996-10-30 Murata Manufacturing Co., Ltd. Piezoelectric ceramics

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116396075B (zh) * 2022-12-16 2023-12-22 惠州市鑫永诚传感科技有限公司 热释电陶瓷材料及其制备方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1066752A (en) * 1964-04-28 1967-04-26 Matsushita Electric Industrial Co Ltd Piezoelectric ceramic compositions
US3268783A (en) * 1965-10-05 1966-08-23 Murata Manufacturing Co Capacitor comprising an nu-type semiconductor metallic oxide and a layer of compensated material
US3400076A (en) * 1965-12-08 1968-09-03 Matsushita Electric Industrial Co Ltd Piezoelectric ceramic compositions

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0739866A1 (en) * 1995-04-21 1996-10-30 Murata Manufacturing Co., Ltd. Piezoelectric ceramics

Also Published As

Publication number Publication date
DE1796244A1 (de) 1972-04-06
FR1604576A (enExample) 1971-12-06
US3652413A (en) 1972-03-28
NL6815213A (enExample) 1969-04-29

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
746 Register noted 'licences of right' (sect. 46/1977)
PE20 Patent expired after termination of 20 years