GB1045372A - Electrical resistor - Google Patents

Electrical resistor

Info

Publication number
GB1045372A
GB1045372A GB16112/65A GB1611265A GB1045372A GB 1045372 A GB1045372 A GB 1045372A GB 16112/65 A GB16112/65 A GB 16112/65A GB 1611265 A GB1611265 A GB 1611265A GB 1045372 A GB1045372 A GB 1045372A
Authority
GB
United Kingdom
Prior art keywords
chromium
film
controlled
oxide
substrate
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
GB16112/65A
Inventor
William Joseph Ostrander
Carl Henry Schenskie
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.)
I R C Inc
Irc Inc
Original Assignee
I R C Inc
Irc 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
Priority claimed from US154578A external-priority patent/US3203830A/en
Application filed by I R C Inc, Irc Inc filed Critical I R C Inc
Priority to GB16112/65A priority Critical patent/GB1045372A/en
Publication of GB1045372A publication Critical patent/GB1045372A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H01C7/006—Thin film resistors
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
    • C23C14/14—Metallic material, boron or silicon

Abstract

<PICT:1045372/C6-C7/1> A resistance film composed of a mixture of one or more silicon oxides with chromium is formed on a cylindrical glass or ceramic substrate 12, or on one or both faces of a flat substrate, by evaporation so that 42%-50% (by volume) of the film is of chromium and 50%-58% of the film is of silicon oxide. The chromium and the oxide(s) are evaporated simultaneously from tantalum members 28, 30 by heating them to the appropriate temperatures with the pressure in container 22 reduced to a suitable level. The type of silicon oxide deposited on 12 may be controlled by controlling the pressure in 22 or by leaking controlled amounts of air or oxygen into it. The ratio of chromium to oxide is determined by suitable positioning of substrate 12 in accordance with a given formulae. The resistance of the film may be controlled by measuring it during formation and stopping evaporation when the desired value is reached.
GB16112/65A 1961-11-24 1965-04-14 Electrical resistor Expired GB1045372A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB16112/65A GB1045372A (en) 1961-11-24 1965-04-14 Electrical resistor

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US154578A US3203830A (en) 1961-11-24 1961-11-24 Electrical resistor
GB16112/65A GB1045372A (en) 1961-11-24 1965-04-14 Electrical resistor

Publications (1)

Publication Number Publication Date
GB1045372A true GB1045372A (en) 1966-10-12

Family

ID=31948058

Family Applications (1)

Application Number Title Priority Date Filing Date
GB16112/65A Expired GB1045372A (en) 1961-11-24 1965-04-14 Electrical resistor

Country Status (1)

Country Link
GB (1) GB1045372A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2196020A (en) * 1986-09-02 1988-04-20 Seikosha Kk An article having a coating which gives the article a black silver appearance

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2196020A (en) * 1986-09-02 1988-04-20 Seikosha Kk An article having a coating which gives the article a black silver appearance
GB2196020B (en) * 1986-09-02 1991-01-09 Seikosha Kk An article having a coating which gives the article a black silver appearance

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