GB801849A - Improvements in or relating to ceramic dielectric compositions - Google Patents

Improvements in or relating to ceramic dielectric compositions

Info

Publication number
GB801849A
GB801849A GB25880/55A GB2588055A GB801849A GB 801849 A GB801849 A GB 801849A GB 25880/55 A GB25880/55 A GB 25880/55A GB 2588055 A GB2588055 A GB 2588055A GB 801849 A GB801849 A GB 801849A
Authority
GB
United Kingdom
Prior art keywords
relating
ceramic dielectric
dielectric compositions
sodium
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
GB25880/55A
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.)
General Electric Co PLC
Original Assignee
General Electric Co PLC
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 General Electric Co PLC filed Critical General Electric Co PLC
Priority to GB25880/55A priority Critical patent/GB801849A/en
Publication of GB801849A publication Critical patent/GB801849A/en
Expired 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
    • H10N30/8542—Alkali metal based oxides, e.g. lithium, sodium or potassium niobates

Landscapes

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

Abstract

A ceramic material corresponds to the formula (1-x) L2O,x Mo,R2O5 wherein L is sodium which can be partially replaced by potassium, M is cadmium and/or lead. R is niobium which can be partially replaced by tantalum, and x is 0,05 to 0,80 mole, L consisting wholly of sodium when lead is present. The material is prepared by pressing, with a temporary binder, a mixture of the oxides or precursors therefor, prefixing at 1000 DEG -1100 DEG C., powdering the product, shaping the powder and sintering at 1100 DEG -1350 DEG C.
GB25880/55A 1955-09-09 1955-09-09 Improvements in or relating to ceramic dielectric compositions Expired GB801849A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB25880/55A GB801849A (en) 1955-09-09 1955-09-09 Improvements in or relating to ceramic dielectric compositions

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB25880/55A GB801849A (en) 1955-09-09 1955-09-09 Improvements in or relating to ceramic dielectric compositions

Publications (1)

Publication Number Publication Date
GB801849A true GB801849A (en) 1958-09-24

Family

ID=10234867

Family Applications (1)

Application Number Title Priority Date Filing Date
GB25880/55A Expired GB801849A (en) 1955-09-09 1955-09-09 Improvements in or relating to ceramic dielectric compositions

Country Status (1)

Country Link
GB (1) GB801849A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1835554A2 (en) * 2006-03-17 2007-09-19 Ngk Insulators, Ltd. Piezoelectric ceramic device and method of manufacturing the same
JP2007281439A (en) * 2006-03-17 2007-10-25 Ngk Insulators Ltd Piezoelectric ceramics and manufacturing method thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1835554A2 (en) * 2006-03-17 2007-09-19 Ngk Insulators, Ltd. Piezoelectric ceramic device and method of manufacturing the same
JP2007281439A (en) * 2006-03-17 2007-10-25 Ngk Insulators Ltd Piezoelectric ceramics and manufacturing method thereof
EP1835554A3 (en) * 2006-03-17 2010-06-02 Ngk Insulators, Ltd. Piezoelectric ceramic device and method of manufacturing the same

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