GB1402405A - Resistance material - Google Patents

Resistance material

Info

Publication number
GB1402405A
GB1402405A GB5356873A GB5356873A GB1402405A GB 1402405 A GB1402405 A GB 1402405A GB 5356873 A GB5356873 A GB 5356873A GB 5356873 A GB5356873 A GB 5356873A GB 1402405 A GB1402405 A GB 1402405A
Authority
GB
United Kingdom
Prior art keywords
sio
tio
pbo
zro
cao
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
GB5356873A
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.)
Beckman Coulter Inc
Original Assignee
Beckman Instruments Inc
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 Beckman Instruments Inc filed Critical Beckman Instruments Inc
Publication of GB1402405A publication Critical patent/GB1402405A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C03C10/00—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition
    • 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
    • H01C17/06526—Precursor compositions therefor, e.g. pastes, inks, glass frits characterised by the resistive component composed of metals
    • 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

Abstract

1402405 Resistor composition BECKMAN INSTRUMENTS Inc 19 Nov 1973 [27 Dec 1972] 53568/73 Heading C1M [Also in Division H1 A resistance material consists of 5-60% by weight of one or more of the metals Ru, Ir, Au, Pt, Rh, Pd, Os and Ag; 5-75% of at least one crystallizable glass; and 5-85% of at least one non-crystallizable glass. The material may be applied as a paste to a ceramic substrate and fired thereon. Examples of crystallizable glasses include (in weight per cent) : (a) PbO 14, B 2 O 3 6À8, Li 2 O 5À6, Al 2 O 3 19À3, SiO 2 51À2, and TiO 2 3À1; (b) PbO 20À5, B 2 O 3 4À7, Li 2 O 4À5, Al 2 O 3 15À8, SiO 2 41À8, TiO 2 2À6, ZrO 2 2À0, Fe 2 O 3 5À0, CaO 1À8 and MgO 1À3; (c) SiO 2 25À5, Al 2 O 3 15À8, TiO 2 11À3, PbO 30À2, BaO 7À7 and ZnO 9À5; (d) Al 2 O 3 15, Li 2 O 4À5, SiO 2 42, TiO 2 3, BaO 23, Na 2 O 3À5 and B 2 O 3 9; and (e) Al 2 O 3 15, Li 2 O 4À5, SiO 2 42, TiO 2 3, Na 2 O 5À3, B 2 O 3 9, SrO 16, CaO 4, and ZrO 2 1À2. A non-crystallizable glass that may be used is Na 2 O 4À3, Al 2 O 3 4À1, B 2 O 3 15À4, SiO 2 52À3, CaO 5À4, SrO 17À3 and ZrO 2 1À2.
GB5356873A 1972-12-27 1973-11-19 Resistance material Expired GB1402405A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US31893972A 1972-12-27 1972-12-27

Publications (1)

Publication Number Publication Date
GB1402405A true GB1402405A (en) 1975-08-06

Family

ID=23240204

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5356873A Expired GB1402405A (en) 1972-12-27 1973-11-19 Resistance material

Country Status (4)

Country Link
DE (1) DE2363578A1 (en)
FR (1) FR2212304B1 (en)
GB (1) GB1402405A (en)
IT (1) IT999087B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4810420A (en) * 1986-10-02 1989-03-07 General Electric Company Thick film copper via-fill inks

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3586522A (en) * 1967-06-01 1971-06-22 Du Pont Glass-ceramics containing baal2si208 crystalline phase
US3551355A (en) * 1967-07-12 1970-12-29 Bourns Inc Resistor composition and element
DE2019507A1 (en) * 1969-04-24 1970-11-19 Zaklady Wytworcze Podzespoiow Process for the production of thick cermets resistance layers

Also Published As

Publication number Publication date
FR2212304A1 (en) 1974-07-26
IT999087B (en) 1976-02-20
DE2363578A1 (en) 1974-07-11
FR2212304B1 (en) 1977-06-10

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee