CA2440237A1 - Conductivity paste, articles produced therewith having a conductive coating on glass, ceramic or enamelled steel, and process for production thereof - Google Patents

Conductivity paste, articles produced therewith having a conductive coating on glass, ceramic or enamelled steel, and process for production thereof Download PDF

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Publication number
CA2440237A1
CA2440237A1 CA002440237A CA2440237A CA2440237A1 CA 2440237 A1 CA2440237 A1 CA 2440237A1 CA 002440237 A CA002440237 A CA 002440237A CA 2440237 A CA2440237 A CA 2440237A CA 2440237 A1 CA2440237 A1 CA 2440237A1
Authority
CA
Canada
Prior art keywords
conductivity
glass
particles
paste according
paste
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.)
Granted
Application number
CA002440237A
Other languages
French (fr)
Other versions
CA2440237C (en
Inventor
Artur Bechtloff
Axel Niemann
Stephan Schreiber
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.)
Vibrantz GmbH
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2440237A1 publication Critical patent/CA2440237A1/en
Application granted granted Critical
Publication of CA2440237C publication Critical patent/CA2440237C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/09—Use of materials for the conductive, e.g. metallic pattern
    • H05K1/092—Dispersed materials, e.g. conductive pastes or inks
    • 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
    • C03C3/00—Glass compositions
    • C03C3/04—Glass compositions containing silica
    • C03C3/062—Glass compositions containing silica with less than 40% silica by weight
    • C03C3/064—Glass compositions containing silica with less than 40% silica by weight containing boron
    • C03C3/066—Glass compositions containing silica with less than 40% silica by weight containing boron containing zinc
    • 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
    • C03C8/00—Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
    • C03C8/14—Glass frit mixtures having non-frit additions, e.g. opacifiers, colorants, mill-additions
    • C03C8/18—Glass frit mixtures having non-frit additions, e.g. opacifiers, colorants, mill-additions containing free metals
    • 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
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/009—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
    • 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
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
    • C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
    • C04B41/51—Metallising, e.g. infiltration of sintered ceramic preforms with molten metal
    • C04B41/5116—Ag or Au
    • 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
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
    • C04B41/81—Coating or impregnation
    • C04B41/85—Coating or impregnation with inorganic materials
    • C04B41/88—Metals
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
    • H01B1/14—Conductive material dispersed in non-conductive inorganic material
    • H01B1/16—Conductive material dispersed in non-conductive inorganic material the conductive material comprising metals or alloys
    • 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
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
    • C04B2111/00844—Uses not provided for elsewhere in C04B2111/00 for electronic applications

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Structural Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Conductive Materials (AREA)
  • Glass Compositions (AREA)
  • Paints Or Removers (AREA)
  • Manufacturing Of Printed Wiring (AREA)
  • Surface Treatment Of Glass (AREA)
  • Adhesives Or Adhesive Processes (AREA)

Abstract

The invention relates to a conductive paste containing a glass frit, a paste-forming medium, conductive particles made of silver and particles containing non-precious metal, in order to produce a conductive coating on glass, ceramics or enameled steel, a method for producing said coating and articles coated therewith According to the invention, the conductive particles containing non-precious metal correspond to up to 80 wt. % of all conductive particles, and are essentially made up of iron, cobalt, nickel, copper, zinc or an alloy containing at least one of these elements, especially nickel, and have an average particle size d50 ranging from 0.1 -15 µm and a specific surface ranging from 0.5 -10m2/g.The glass frits begin to soften at 350 ~C -600 ~C and have a hemisphere temperature of 450 ~C - 700 ~C.

Claims (13)

1. A conductivity paste for the purpose of producing a conductive coating on glass, ceramic or enamelled steel, comprising conductivity particles of silver, conductivity particles containing at least one base metal, one or more glass frits and a paste-forming medium, characterised in that the conductivity particles containing base metal consist substantially of iron, cobalt, nickel, copper, zinc or an alloy containing at least one of these elements and additionally may be coated with silver, the conductivity particles containing base metal exhibit a mean particle size d50 within the range from 0.1 µm to 15 µm and a specific surface within the range from 0.5 m2/g to 10 m2/g, up to 80 wt.% of all conductivity particles are conductivity particles containing base metal and the one or more glass frits exhibit a softening-temperature (heating microscope) within the range from 350 °C to 600 °C and a hemisphere temperature within the range from 450 °C to 700 °C.
2. Conductivity paste according to Claim 1, characterised in that by way of conductivity particles containing base metal it contains nickel particles or copper particles in a quantity of up to 50 wt.%, in particular 10 wt.% to 40 wt. %, relative to the sum of conductivity particles.
3. Conductivity paste according to Claim 1 or 2, characterised in that it contains more than 5 wt.%, in particular 10 wt.% to 35 wt. %, conductivity particles containing base metal, relative to the sum of all conductivity particles.
4. Conductivity paste according to any one of Claims 1 to 3, characterised in that it contains in wt.%:
conductivity particles : 40 - 85 glass frit (s) : 1 - 12 medium : 10 - 50 substances for modification : 0 - 15
5. Conductivity paste according to Claim 4, characterised in that it contains in wt.%:
conductivity particles : 50 - 80 glass frit(s) : 2 - 10 medium : 15 - 48 substances for modification : 0 - 15
6. Conductivity paste according to any one of Claims 1 to 5, characterised in that the glass frit(s) is/are lead-free and is/are selected from the series of the zinc-containing and/or bismuth-containing borosilicate glasses or glasses based on the principal components SiO2, B2O3, TiO2 and K2O.
7. Conductivity paste according to any one of Claims 1 to 6, characterised in that the glass frit(s) is/are fast-firable (2 - 5 min at 660 °C to 680 °C on glass).
8. Conductivity paste according to any one of Claims 1 to 7, characterised in that the conductivity particles exhibit a specific surface within the range from 1 m2/g to 5 m2/g.
9. Conductivity paste according to any one of Claims 1 to 8, characterised in that the paste-forming medium contains an organic binding agent, in particular a cellulose derivative, and one or more solvents, in particular glycol-ether compounds and terpene alcohols, or is substantially based on a thermoplastic polymer.
10. Conductivity paste according to any one of Claims 1 to 9, characterised in that the paste is screen-printable.
11. Use of the conductivity paste according to one of Claims 1 to 10 for the purpose of producing a conductive coating on a firable substrate, in particular glass, ceramic or enamelled steel.
12. A process for producing a conductive coating on a firable substrate, in particular glass, ceramic or enamelled steel, comprising applying a layer of a conductivity paste onto the substrate and firing the coated substrate at a temperature within the range from 450 °C to 700 °C, characterised in that use is made of a conductivity paste according to one of Claims 1 to 10.
13. Articles having a conductive coating on glass, ceramic or enamelled steel, characterised in that the coating is obtainable by using a conductivity paste according to any one of Claims 1 to 10.
CA2440237A 2001-04-04 2002-02-15 Conductivity paste, articles produced therewith having a conductive coating on glass, ceramic or enamelled steel, and process for production thereof Expired - Lifetime CA2440237C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10116653.2 2001-04-04
DE10116653A DE10116653A1 (en) 2001-04-04 2001-04-04 Conductivity paste, articles thus produced with a conductive coating on glass, ceramic and enamelled steel and process for their production
PCT/EP2002/001652 WO2002082466A1 (en) 2001-04-04 2002-02-15 Conductive paste, article produced therewith with a conductive coating on glass, ceramics or enameled steel and method for the production thereof

Publications (2)

Publication Number Publication Date
CA2440237A1 true CA2440237A1 (en) 2002-10-17
CA2440237C CA2440237C (en) 2012-08-14

Family

ID=7680265

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2440237A Expired - Lifetime CA2440237C (en) 2001-04-04 2002-02-15 Conductivity paste, articles produced therewith having a conductive coating on glass, ceramic or enamelled steel, and process for production thereof

Country Status (10)

Country Link
US (1) US20040155227A1 (en)
EP (1) EP1377984B1 (en)
JP (1) JP3960921B2 (en)
KR (1) KR100838663B1 (en)
CN (1) CN1238861C (en)
AT (1) ATE359592T1 (en)
CA (1) CA2440237C (en)
DE (2) DE10116653A1 (en)
ES (1) ES2283538T3 (en)
WO (1) WO2002082466A1 (en)

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Also Published As

Publication number Publication date
EP1377984A1 (en) 2004-01-07
CN1238861C (en) 2006-01-25
KR100838663B1 (en) 2008-06-16
ATE359592T1 (en) 2007-05-15
US20040155227A1 (en) 2004-08-12
JP3960921B2 (en) 2007-08-15
EP1377984B1 (en) 2007-04-11
CN1500276A (en) 2004-05-26
ES2283538T3 (en) 2007-11-01
JP2004525490A (en) 2004-08-19
KR20040030562A (en) 2004-04-09
DE10116653A1 (en) 2002-10-10
WO2002082466A1 (en) 2002-10-17
DE50209921D1 (en) 2007-05-24
CA2440237C (en) 2012-08-14

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