GB1210493A - Improvements in or relating to resistor composition - Google Patents

Improvements in or relating to resistor composition

Info

Publication number
GB1210493A
GB1210493A GB31117/67A GB3111767A GB1210493A GB 1210493 A GB1210493 A GB 1210493A GB 31117/67 A GB31117/67 A GB 31117/67A GB 3111767 A GB3111767 A GB 3111767A GB 1210493 A GB1210493 A GB 1210493A
Authority
GB
United Kingdom
Prior art keywords
oxide
composition
group
resistor
mixture
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
GB31117/67A
Inventor
Mira Elvira Angela Casale
Gerald Sidney Iles
Owen Neville Collier
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.)
Johnson Matthey PLC
Original Assignee
Johnson Matthey PLC
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 Johnson Matthey PLC filed Critical Johnson Matthey PLC
Priority to GB31117/67A priority Critical patent/GB1210493A/en
Priority to FR125106A priority patent/FR1541456A/en
Priority to DE1640561A priority patent/DE1640561B2/en
Publication of GB1210493A publication Critical patent/GB1210493A/en
Expired legal-status Critical Current

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
    • H01C17/06513—Precursor compositions therefor, e.g. pastes, inks, glass frits characterised by the resistive component
    • H01C17/06533—Precursor compositions therefor, e.g. pastes, inks, glass frits characterised by the resistive component composed of oxides
    • H01C17/0654—Oxides of the platinum group
    • 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
    • C03C8/02—Frit compositions, i.e. in a powdered or comminuted form
    • C03C8/04—Frit compositions, i.e. in a powdered or comminuted form 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ceramic Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Structural Engineering (AREA)
  • Non-Adjustable Resistors (AREA)
  • Conductive Materials (AREA)

Abstract

1,210,493. Resistor compositions. JOHNSON, MATTHEY & CO. Ltd. 16 Oct., 1967 [20 Oct., 1966; 6 July, 1967], Nos. 46910/66 and 31117/67. Heading C1M. [Also in Division H1] A resistor composition comprises 91-20% by wt. finely divided glass and 9-80% by wt. of a mixture formed by heating together ruthenium oxide and one or more of the oxides of the metals of Group V of the Periodic Table, any balance being compatible constituents. Preferably the composition consists of 46-65% by wt. of ruthenium oxide-Group V oxide(s) and 54-35% by wt. of glass. Preferably the Group V oxide is niobium pentoxide. The mixture may also include prior to heating 10% by wt. of an oxide or oxides of one or more of the metals of Groups I and II of the Periodic Table. In further examples not less than 50% by wt. of the ruthenium oxide-Group V oxide(s) mixture in excess of 9% by wt. is replaced by silver, an oxide of silver or a mixture of metallic silver and an oxide thereof. The composition is prepared by mixing together the constituents, ball-milling them to a particle size of from 0À01 to 50 Á and mixing them with a binder vehicle consisting of ethyl cellulose dissolved in an alcohol or ester, such as butyl glycol ester so as to form a suspension consisting of 75% by wt. of finely divided material in 25% by weight of binder. This suspension is then screen printed on to a substrate, e.g. mica sheets, to form a coating 0À0004 to 0À0006 inch and the whole passed through a lehr at 600-650‹ C. for 20 minutes to form a resistor having a mean resistivity of from 30 to 80,000 ohms per square per 0À001 inch thickness. Glasses used are lead borosilicate or a zinc borosilicate of the following composition in wt. per cent: Na 2 O 10À0; Al 2 O 3 3À0; ZnO 33À1; ZrO 2 4À0; B 2 O 3 25À2; SiO 2 24À5. The glass used for the resistor composition has a flow point (i.e. that temperature at which viscosity is 10<SP>5</SP> poises) not more than 50‹ C. below maximum temperature at which composition to be fired on to a substrate.
GB31117/67A 1966-10-20 1966-10-20 Improvements in or relating to resistor composition Expired GB1210493A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB31117/67A GB1210493A (en) 1966-10-20 1966-10-20 Improvements in or relating to resistor composition
FR125106A FR1541456A (en) 1966-10-20 1967-10-19 Composition for resistances and resistances thus obtained
DE1640561A DE1640561B2 (en) 1966-10-20 1967-10-19 Resistance mass

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB4691066 1966-10-20
GB4961066 1966-10-20
GB31117/67A GB1210493A (en) 1966-10-20 1966-10-20 Improvements in or relating to resistor composition

Publications (1)

Publication Number Publication Date
GB1210493A true GB1210493A (en) 1970-10-28

Family

ID=27258945

Family Applications (1)

Application Number Title Priority Date Filing Date
GB31117/67A Expired GB1210493A (en) 1966-10-20 1966-10-20 Improvements in or relating to resistor composition

Country Status (2)

Country Link
DE (1) DE1640561B2 (en)
GB (1) GB1210493A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012091901A1 (en) * 2010-12-28 2012-07-05 E. I. Du Pont De Nemours And Company Improved thick film resistive heater compositions comprising silver and ruthenium dioxide, and methods of making same

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4101708A (en) * 1977-03-25 1978-07-18 E. I. Du Pont De Nemours And Company Resistor compositions
US4476039A (en) * 1983-01-21 1984-10-09 E. I. Du Pont De Nemours And Company Stain-resistant ruthenium oxide-based resistors
FR2683814B1 (en) * 1991-11-15 1994-09-23 Degussa Prod Ceramiques METHOD FOR HIGH-TEMPERATURE COOKING OF A RESISTIVE MATERIAL BASED ON RUTHENIUM OXIDE OR ITS COMPOUNDS.

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012091901A1 (en) * 2010-12-28 2012-07-05 E. I. Du Pont De Nemours And Company Improved thick film resistive heater compositions comprising silver and ruthenium dioxide, and methods of making same
US8617428B2 (en) 2010-12-28 2013-12-31 E I Du Pont De Nemours And Company Thick film resistive heater compositions comprising Ag and RuO2, and methods of making same
US9431148B2 (en) 2010-12-28 2016-08-30 Ei Du Pont De Nemours And Company Thick film resistive heater compositions comprising Ag and RuO2, and methods of making same

Also Published As

Publication number Publication date
DE1640561B2 (en) 1974-10-17
DE1640561A1 (en) 1970-01-15

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Legal Events

Date Code Title Description
429A Application made for amendment of specification (sect. 29/1949)
429H Application (made) for amendment of specification now open to opposition (sect. 29/1949)
429D Case decided by the comptroller ** specification amended (sect. 29/1949)
PS Patent sealed