AT347138B - Verfahren zur herstellung eines sich zur umwandlung von groessen eignenden materials - Google Patents

Verfahren zur herstellung eines sich zur umwandlung von groessen eignenden materials

Info

Publication number
AT347138B
AT347138B AT9976A AT9976A AT347138B AT 347138 B AT347138 B AT 347138B AT 9976 A AT9976 A AT 9976A AT 9976 A AT9976 A AT 9976A AT 347138 B AT347138 B AT 347138B
Authority
AT
Austria
Prior art keywords
conversion
manufacturing
material suitable
Prior art date
Application number
AT9976A
Other languages
German (de)
English (en)
Other versions
ATA9976A (de
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
Publication of ATA9976A publication Critical patent/ATA9976A/de
Application granted granted Critical
Publication of AT347138B publication Critical patent/AT347138B/de

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G7/00Capacitors in which the capacitance is varied by non-mechanical means; Processes of their manufacture
    • H01G7/02Electrets, i.e. having a permanently-polarised dielectric
    • H01G7/028Electrets, i.e. having a permanently-polarised dielectric having a heterogeneous dielectric
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/26Shaped 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
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/64Burning or sintering processes
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10NELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00Piezoelectric or electrostrictive devices
    • H10N30/01Manufacture or treatment
    • H10N30/09Forming piezoelectric or electrostrictive materials
    • H10N30/093Forming inorganic materials
    • H10N30/097Forming inorganic materials by sintering
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10NELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00Piezoelectric or electrostrictive devices
    • H10N30/80Constructional details
    • H10N30/85Piezoelectric or electrostrictive active materials
    • H10N30/853Ceramic 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)
  • Hard Magnetic Materials (AREA)
  • Laminated Bodies (AREA)
AT9976A 1975-01-10 1976-01-09 Verfahren zur herstellung eines sich zur umwandlung von groessen eignenden materials AT347138B (de)

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 (2)

Publication Number Publication Date
ATA9976A ATA9976A (de) 1978-04-15
AT347138B true AT347138B (de) 1978-12-11

Family

ID=19822967

Family Applications (1)

Application Number Title Priority Date Filing Date
AT9976A AT347138B (de) 1975-01-10 1976-01-09 Verfahren zur herstellung eines sich zur umwandlung von groessen eignenden materials

Country Status (10)

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

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 (ja) * 1971-09-18 1973-06-06
JPS49125896A (ja) * 1973-04-06 1974-12-02

Also Published As

Publication number Publication date
NL7500289A (nl) 1976-07-13
IT1055745B (it) 1982-01-11
ATA9976A (de) 1978-04-15
AU1009576A (en) 1977-07-14
JPS5198686A (ja) 1976-08-31
GB1520831A (en) 1978-08-09
DE2600285A1 (de) 1976-07-15
BE837449A (fr) 1976-07-09
FR2297497B1 (ja) 1979-01-19
SE7600056L (sv) 1976-07-12
FR2297497A1 (fr) 1976-08-06
SE409067B (sv) 1979-07-23

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Legal Events

Date Code Title Description
REN Ceased due to non-payment of the annual fee
ELJ Ceased due to non-payment of the annual fee