GB1193919A - Improvements in or relating to Piezoelectric Ceramics - Google Patents

Improvements in or relating to Piezoelectric Ceramics

Info

Publication number
GB1193919A
GB1193919A GB1889568A GB1889568A GB1193919A GB 1193919 A GB1193919 A GB 1193919A GB 1889568 A GB1889568 A GB 1889568A GB 1889568 A GB1889568 A GB 1889568A GB 1193919 A GB1193919 A GB 1193919A
Authority
GB
United Kingdom
Prior art keywords
piezoelectric ceramics
relating
april
compositions
electric
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
GB1889568A
Other languages
English (en)
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.)
NEC Corp
Original Assignee
Nippon 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 Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
Publication of GB1193919A publication Critical patent/GB1193919A/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
    • 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
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
    • C04B2235/3251—Niobium oxides, niobates, tantalum oxides, tantalates, or oxide-forming salts thereof
    • C04B2235/3255—Niobates or tantalates, e.g. silver niobate
    • 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
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3294—Antimony oxides, antimonates, antimonites or oxide forming salts thereof, indium antimonate
    • 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
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/74—Physical characteristics
    • C04B2235/76—Crystal structural characteristics, e.g. symmetry
    • C04B2235/768—Perovskite structure ABO3

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)
  • Inorganic Insulating Materials (AREA)
GB1889568A 1967-04-20 1968-04-22 Improvements in or relating to Piezoelectric Ceramics Expired GB1193919A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2527067 1967-04-20
JP2526967 1967-04-20
JP5617367 1967-08-31
JP5617467 1967-08-31

Publications (1)

Publication Number Publication Date
GB1193919A true GB1193919A (en) 1970-06-03

Family

ID=27458283

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1889568A Expired GB1193919A (en) 1967-04-20 1968-04-22 Improvements in or relating to Piezoelectric Ceramics

Country Status (4)

Country Link
DE (1) DE1771198B1 (enExample)
FR (1) FR1583823A (enExample)
GB (1) GB1193919A (enExample)
NL (1) NL156666B (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1907199A1 (de) * 1968-02-17 1970-02-26 Nippon Electric Co Piezoelektrisches Keramikmaterial

Family Cites Families (2)

* 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

Also Published As

Publication number Publication date
NL6805696A (enExample) 1968-10-21
DE1771198B1 (de) 1972-05-25
NL156666B (nl) 1978-05-16
FR1583823A (enExample) 1969-12-05

Similar Documents

Publication Publication Date Title
AU464817B2 (en) Improvements in or relating tothe growing of grasses
GB1245845A (en) Improvements in or relating to piezoelectric ceramics
GB1349354A (en) Magnetrons
GB1193919A (en) Improvements in or relating to Piezoelectric Ceramics
AU4997064A (en) Anew and improved sliding doorlock
GB1201159A (en) Improvements in or relating to piezoelectric ceramics
GB1340780A (en) Piezoelectric composites
CA615032A (en) Deadbolt lock
CA697828A (en) Stress lock plate
AU291783B2 (en) Improvements in' or relating to frequency dividers
AU291369B2 (en) Improvements in or relating to novel 3 tropanyl-2 phenylacrylate derivatives
AU255510B2 (en) Improvements in or relating to electromechanical filter arrangements
CA853396A (en) Thin-film piezoelectric resonator
AU5338269A (en) THERMOSTABILISATION OF EPISULPHIDED. Additional to 41719/68)
AU400583B2 (en) Improvements in or relating to piezoelectric crystal circuit arrangements
AU5628465A (en) Improvements in' or relating to frequency dividers
CA600059A (en) Power lock differential
AU264801B2 (en) Improvements in or relating to the production of 3 - keto -^4,6 - steroids
CA677425A (en) Magnetically operable lock
AU403046B2 (en) Improvements in or relating to passive frequency multipliers
AU159261A (en) Improvements in or relating to electromechanical filter arrangements
AU403512B2 (en) Improvements in or relating to'windows
AU284706B2 (en) Improvements in or relating to electromechanical transducers
AU403282B2 (en) Improvements'in or relating to transmission ofthe counterrotating type
AU400395B2 (en) Improvements in piezoelectric coupling elements

Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee