ATE423385T1 - Verfahren zur herstellung keramischer widerstände und mit diesem verfahren hergestellt keramische widerstände - Google Patents

Verfahren zur herstellung keramischer widerstände und mit diesem verfahren hergestellt keramische widerstände

Info

Publication number
ATE423385T1
ATE423385T1 AT05101708T AT05101708T ATE423385T1 AT E423385 T1 ATE423385 T1 AT E423385T1 AT 05101708 T AT05101708 T AT 05101708T AT 05101708 T AT05101708 T AT 05101708T AT E423385 T1 ATE423385 T1 AT E423385T1
Authority
AT
Austria
Prior art keywords
ceramic resistors
produced
resistors
ceramic
producing
Prior art date
Application number
AT05101708T
Other languages
English (en)
Inventor
Gian Domenico Soraru
Vicenzo Maria Sglavo
Sergio Ceschini
Original Assignee
Gian Domenico Soraru
Vicenzo Maria Sglavo
Sergio Ceschini
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 Gian Domenico Soraru, Vicenzo Maria Sglavo, Sergio Ceschini filed Critical Gian Domenico Soraru
Application granted granted Critical
Publication of ATE423385T1 publication Critical patent/ATE423385T1/de

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C17/00—Apparatus or processes specially adapted for manufacturing resistors
    • H01C17/06—Apparatus or processes specially adapted for manufacturing resistors adapted for coating resistive material on a base
    • H01C17/065—Apparatus or processes specially adapted for manufacturing resistors adapted for coating resistive material on a base by thick film techniques, e.g. serigraphy
    • H01C17/06506—Precursor compositions therefor, e.g. pastes, inks, glass frits or green body
    • H01C17/06513—Precursor compositions therefor, e.g. pastes, inks, glass frits or green body characterised by the resistive component
    • H01C17/0656—Precursor compositions therefor, e.g. pastes, inks, glass frits or green body characterised by the resistive component composed of silicides
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C14/00—Glass compositions containing a non-glass component, e.g. compositions containing fibres, filaments, whiskers, platelets, or the like, dispersed in a glass matrix
    • C03C14/004—Glass compositions containing a non-glass component, e.g. compositions containing fibres, filaments, whiskers, platelets, or the like, dispersed in a glass matrix the non-glass component being in the form of particles or flakes
    • 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
    • C04B35/14—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 silica
    • 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
    • C04B35/624—Sol-gel processing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C17/00—Apparatus or processes specially adapted for manufacturing resistors
    • H01C17/06—Apparatus or processes specially adapted for manufacturing resistors adapted for coating resistive material on a base
    • H01C17/065—Apparatus or processes specially adapted for manufacturing resistors adapted for coating resistive material on a base by thick film techniques, e.g. serigraphy
    • H01C17/06506—Precursor compositions therefor, e.g. pastes, inks, glass frits or green body
    • H01C17/06513—Precursor compositions therefor, e.g. pastes, inks, glass frits or green body characterised by the resistive component
    • H01C17/06533—Precursor compositions therefor, e.g. pastes, inks, glass frits or green body characterised by the resistive component composed of oxides
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
    • H01C7/04—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material having negative temperature coefficient
    • H01C7/049—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material having negative temperature coefficient mainly consisting of organic or organo-metal substances
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2214/00—Nature of the non-vitreous component
    • C03C2214/04—Particles; Flakes
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2214/00—Nature of the non-vitreous component
    • C03C2214/20—Glass-ceramics matrix
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2214/00—Nature of the non-vitreous component
    • C03C2214/32—Nature of the non-vitreous component comprising a sol-gel process
    • 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
    • C04B2235/3217—Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
    • 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
    • C04B2235/38—Non-oxide ceramic constituents or additives
    • C04B2235/3817—Carbides
    • C04B2235/3826—Silicon carbides
    • C04B2235/383—Alpha silicon carbide
    • 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
    • C04B2235/38—Non-oxide ceramic constituents or additives
    • C04B2235/3891—Silicides, e.g. molybdenum disilicide, iron silicide
    • 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
    • C04B2235/48—Organic compounds becoming part of a ceramic after heat treatment, e.g. carbonising phenol resins
    • C04B2235/483—Si-containing organic compounds, e.g. silicone resins, (poly)silanes, (poly)siloxanes or (poly)silazanes
    • 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
    • C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
    • C04B2235/54—Particle size related information
    • C04B2235/5418—Particle size related information expressed by the size of the particles or aggregates thereof
    • C04B2235/5436—Particle size related information expressed by the size of the particles or aggregates thereof micrometer sized, i.e. from 1 to 100 micron
    • 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
    • C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
    • C04B2235/54—Particle size related information
    • C04B2235/5418—Particle size related information expressed by the size of the particles or aggregates thereof
    • C04B2235/5445—Particle size related information expressed by the size of the particles or aggregates thereof submicron sized, i.e. from 0,1 to 1 micron
    • 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
    • C04B2235/80—Phases present in the sintered or melt-cast ceramic products other than the main phase

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ceramic Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Structural Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electromagnetism (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Non-Adjustable Resistors (AREA)
  • Ceramic Products (AREA)
  • Apparatuses And Processes For Manufacturing Resistors (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Thermistors And Varistors (AREA)
  • Electronic Switches (AREA)
AT05101708T 2004-03-11 2005-03-04 Verfahren zur herstellung keramischer widerstände und mit diesem verfahren hergestellt keramische widerstände ATE423385T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT000161A ITTO20040161A1 (it) 2004-03-11 2004-03-11 Procedimento per la realizzazione di resistori ceramici, e relativi resistori ceramici

Publications (1)

Publication Number Publication Date
ATE423385T1 true ATE423385T1 (de) 2009-03-15

Family

ID=34814973

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05101708T ATE423385T1 (de) 2004-03-11 2005-03-04 Verfahren zur herstellung keramischer widerstände und mit diesem verfahren hergestellt keramische widerstände

Country Status (5)

Country Link
US (1) US20050202953A1 (de)
EP (1) EP1575064B1 (de)
AT (1) ATE423385T1 (de)
DE (1) DE602005012746D1 (de)
IT (1) ITTO20040161A1 (de)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3983077A (en) * 1975-05-02 1976-09-28 Texas Instruments Incorporated Process for making ceramic resistor materials
US4472510A (en) * 1982-12-23 1984-09-18 Dow Corning Corporation Carbon-containing monolithic glasses and ceramics prepared by a sol-gel process
US5635250A (en) * 1985-04-26 1997-06-03 Sri International Hydridosiloxanes as precursors to ceramic products
USRE36753E (en) * 1992-03-17 2000-06-27 Sony Corporation Photographic camera system
US5473826A (en) * 1994-08-19 1995-12-12 Yazaki Corporation Process for drying sol-gel derived porous bodies at elevated subcritical temperatures and pressures
DE59505670D1 (de) * 1994-10-19 1999-05-20 Bosch Gmbh Robert Keramischer elektrischer widerstand und dessen verwendung
US6099792A (en) * 1998-10-07 2000-08-08 Yazaki Corporation Sol-gel process using porous mold
US6663793B2 (en) * 2000-02-07 2003-12-16 Sciperio, Inc. Sol-gel-based composite materials for direct-write electronics applications
CA2478142C (en) * 2001-03-09 2009-09-15 Datec Coating Corporation Sol-gel derived resistive and conductive coating
US20030108664A1 (en) * 2001-10-05 2003-06-12 Kodas Toivo T. Methods and compositions for the formation of recessed electrical features on a substrate

Also Published As

Publication number Publication date
EP1575064A2 (de) 2005-09-14
DE602005012746D1 (de) 2009-04-02
EP1575064A3 (de) 2005-10-12
ITTO20040161A1 (it) 2004-06-11
US20050202953A1 (en) 2005-09-15
EP1575064B1 (de) 2009-02-18

Similar Documents

Publication Publication Date Title
DE602004031242D1 (de) Verfahren zur herstellung eindeutig identifizierbarer casino-spieljetons
DE602005003538D1 (de) Brennofen und verfahren zur herstellung von keramischen teilen mit diesem brennofen
ATE536558T1 (de) Optische bauelemente und silikonzusammensetzungen sowie verfahren zur herstellung der optischen bauelemente
EP2204247A3 (de) Formen mit integrierter Heizung und Verfahren zu deren Herstellung
DE602006005186D1 (de) Optisches Glas, Vorform für Formpressen und Verfahren zur Herstellung davon, optisches Element und Verfahren zur Herstellung davon.
TWI569940B (zh) 漸層漿料的製作方法及三維實體的成型方法
DE502005000125D1 (de) Verfahren zur Herstellung von aminofunktionellen Organopolysiloxanen
EP4117918C0 (de) Lichthärtbare zusammensetzung für 3d-drucken, ihre herstellung und verwendung und verfahren zur herstellung von 3d-gedruckten objekten unter verwendung derselben
WO2006017488A3 (en) Method for making adjustable compositions
EP1209193A3 (de) Pulverförmige, modifizierte aus Fällsuspensionen hergestellte silikatische Füllstoffe enthaltene Kautschukpulver, Verfahren zu ihrer Herstellung und Verwendung
WO2010048523A3 (en) Transparent ceramics and methods of preparation thereof
ATE508727T1 (de) Zusammensetzung zur befestigung einer zahnverblendung auf einer zahnstützstruktur, verfahren und verwendung davon
ATE384098T1 (de) Verfahren zur herstellung einer zusammensetzung und nanokomposite daraus
DE602005012746D1 (de) Verfahren zur Herstellung keramischer Widerstände und mit diesem Verfahren hergestellt keramische Widerstände
DE502004010172D1 (de) Verfahren zur herstellung von gasturbinenrotoren mit integraler beschaufelung
DE602007005556D1 (de) Gemischtes Pulver und Verfahren zur Herstellung von Quarzglas unter Einsatz des Pulvers
KR102104065B1 (ko) 발포 지지체가 구비된 양초 제조 방법 및 발포 지지체가 구비된 양초
ATE462805T1 (de) Verfahren zur herstellung einer sinterrohmischung
DE602007002989D1 (de) Zusammensetzung mit aziridingruppen und ihre verwendung
DE602005003472D1 (de) Verfahren zur herstellung von 2-oxo-1-pyrrolidinderivaten durch intramolekulare allylierung
DE502006007171D1 (de) Verfahren zum herstellen einer vielzahl von insbesondere aus titanaluminid bestehenden bauteilen und vorrichtung zur durchführung dieses verfahrens
DE602008004652D1 (de) Sol-Gel Verfahren zur Herstellung von monolithischen Gegenständen aus Quarzglas
ATE430008T1 (de) Verfahren zur herstellung von lichtbrechenden modulelementen
KR101851530B1 (ko) 인조 점토 제조방법
DE502004000378D1 (de) Verfahren zur Herstellung hochviskoser Organopolysiloxane

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties