GB1190195A - Improvements in or relating to Film-Type Electrically Conductive Elements - Google Patents

Improvements in or relating to Film-Type Electrically Conductive Elements

Info

Publication number
GB1190195A
GB1190195A GB3597066A GB3597066A GB1190195A GB 1190195 A GB1190195 A GB 1190195A GB 3597066 A GB3597066 A GB 3597066A GB 3597066 A GB3597066 A GB 3597066A GB 1190195 A GB1190195 A GB 1190195A
Authority
GB
United Kingdom
Prior art keywords
substrate
ruthenium
film
heating
iridium
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
GB3597066A
Inventor
Alan Gray Cockbain
Barrie Hendry
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.)
Plessey Co Ltd
Original Assignee
Plessey Co Ltd
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 Plessey Co Ltd filed Critical Plessey Co Ltd
Priority to GB3597066A priority Critical patent/GB1190195A/en
Publication of GB1190195A publication Critical patent/GB1190195A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
    • H05B3/22—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible
    • H05B3/26—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible heating conductor mounted on insulating base
    • 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

Abstract

1,190,195. Heat films. PLESSEY CO. Ltd. 4 Aug., 1967 [11 Aug., 1966], No. 35970/66. Heading H5H. An electric heating element comprises a resistive film of an oxide or oxides of a metal, or metals, of one of the elements ruthenium, osmium palladium, iridium and rhodium adhered to a heat-insulating substrate. The element is made by applying to the substrate a solution or suspension of one or more of the above elements or compounds, together with a binder or thickener, drying the layer or allowing it to dry and heat treating the coated substrate in an oxidizing atmosphere to oxidize the metal layer. The heating temperature is in the region of 600- 900‹ C. Such a temperature is sufficient in the cases of iridium and platinum only when the metal is applied as a suitable compound. In one specific example a resin thinned with benzyl alcohol and containing ruthenium is applied to a glass or alumina substrate by painting, dipping, spraying or screen printing. After drying the substrate is heated in air at 800‹ C. to produce a film of ruthenium oxide. Several layers of the solution may be applied prior to heating. Other of the metals, e.g. rhodium and/or iridium may be added. After electrodes are added the element is encapsulated in a glaze of boro-silicate glass or a frit glaze. The film may also be made by applying ruthenium trichloride or ruthenium nitrosyl nitrate to the substrate before heating and oxidizing. The element may be used in hotplates and heating panels.
GB3597066A 1966-08-11 1966-08-11 Improvements in or relating to Film-Type Electrically Conductive Elements Expired GB1190195A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3597066A GB1190195A (en) 1966-08-11 1966-08-11 Improvements in or relating to Film-Type Electrically Conductive Elements

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3597066A GB1190195A (en) 1966-08-11 1966-08-11 Improvements in or relating to Film-Type Electrically Conductive Elements

Publications (1)

Publication Number Publication Date
GB1190195A true GB1190195A (en) 1970-04-29

Family

ID=10383507

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3597066A Expired GB1190195A (en) 1966-08-11 1966-08-11 Improvements in or relating to Film-Type Electrically Conductive Elements

Country Status (1)

Country Link
GB (1) GB1190195A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111698796A (en) * 2019-03-11 2020-09-22 南京银纳新材料科技有限公司 Preparation method of repeated scratch-resistant silver nanowire film heater

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111698796A (en) * 2019-03-11 2020-09-22 南京银纳新材料科技有限公司 Preparation method of repeated scratch-resistant silver nanowire film heater

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Legal Events

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