IT1055745B - Procedimento per la fabbricazione di un materiale costituito da alme no due fasi e adatto a convertire certe quantita fische in altre quantita fisiche e prodotti ottenuti con tale materiale - Google Patents

Procedimento per la fabbricazione di un materiale costituito da alme no due fasi e adatto a convertire certe quantita fische in altre quantita fisiche e prodotti ottenuti con tale materiale

Info

Publication number
IT1055745B
IT1055745B IT67018/76A IT6701876A IT1055745B IT 1055745 B IT1055745 B IT 1055745B IT 67018/76 A IT67018/76 A IT 67018/76A IT 6701876 A IT6701876 A IT 6701876A IT 1055745 B IT1055745 B IT 1055745B
Authority
IT
Italy
Prior art keywords
quantities
alme
phases
procedure
manufacture
Prior art date
Application number
IT67018/76A
Other languages
English (en)
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Application granted granted Critical
Publication of IT1055745B publication Critical patent/IT1055745B/it

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
    • H01G7/028—Electrets, i.e. having a permanently-polarised dielectric having a heterogeneous 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
    • C04B35/26—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 ferrites
    • 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
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/64—Burning or sintering processes
    • 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
    • H10N30/01—Manufacture or treatment
    • H10N30/09—Forming piezoelectric or electrostrictive materials
    • H10N30/093—Forming inorganic materials
    • H10N30/097—Forming inorganic materials by sintering
    • 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

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Chemistry (AREA)
  • Power Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Laminated Bodies (AREA)
  • Hard Magnetic Materials (AREA)
IT67018/76A 1975-01-10 1976-01-07 Procedimento per la fabbricazione di un materiale costituito da alme no due fasi e adatto a convertire certe quantita fische in altre quantita fisiche e prodotti ottenuti con tale materiale IT1055745B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7500289A NL7500289A (nl) 1975-01-10 1975-01-10 Werkwijze voor de bereiding van een materiaal geschikt voor het omzetten van grootheden en uit een dergelijk materiaal vormstuk.

Publications (1)

Publication Number Publication Date
IT1055745B true IT1055745B (it) 1982-01-11

Family

ID=19822967

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67018/76A IT1055745B (it) 1975-01-10 1976-01-07 Procedimento per la fabbricazione di un materiale costituito da alme no due fasi e adatto a convertire certe quantita fische in altre quantita fisiche e prodotti ottenuti con tale materiale

Country Status (10)

Country Link
JP (1) JPS5198686A (it)
AT (1) AT347138B (it)
AU (1) AU1009576A (it)
BE (1) BE837449A (it)
DE (1) DE2600285A1 (it)
FR (1) FR2297497A1 (it)
GB (1) GB1520831A (it)
IT (1) IT1055745B (it)
NL (1) NL7500289A (it)
SE (1) SE409067B (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10120865A1 (de) * 2001-04-27 2002-11-21 Bosch Gmbh Robert Kompositwerkstoff, Verfahren zu dessen Herstellung und dessen Verwendung
DE102008007875A1 (de) * 2008-02-06 2009-11-12 Universität des Saarlandes Piezoelemente auf Grundlage Bariumoxid-basierter Mischoxide
CN114394852B (zh) * 2022-01-06 2022-10-28 长安大学 一种晶粒尺寸呈梯度分布陶瓷材料的制备方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4838313A (it) * 1971-09-18 1973-06-06
JPS49125896A (it) * 1973-04-06 1974-12-02

Also Published As

Publication number Publication date
FR2297497B1 (it) 1979-01-19
AT347138B (de) 1978-12-11
SE409067B (sv) 1979-07-23
GB1520831A (en) 1978-08-09
JPS5198686A (it) 1976-08-31
AU1009576A (en) 1977-07-14
SE7600056L (sv) 1976-07-12
BE837449A (fr) 1976-07-09
FR2297497A1 (fr) 1976-08-06
NL7500289A (nl) 1976-07-13
DE2600285A1 (de) 1976-07-15
ATA9976A (de) 1978-04-15

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