H - Electricity – 01 – C
Patent
H - Electricity
01
C
338/27
H01C 17/06 (2006.01) B05D 5/12 (2006.01) C08J 3/22 (2006.01) C08J 7/04 (2006.01) H01C 17/065 (2006.01)
Patent
CA 1267944
ABSTRACT OF THE DISCLOSURE A method is disclosed of manufacturing an electric resistance element which comprises the steps of thermally treating particles of carbon such as carbon black at a temperature of at least 300°C, mixing the carbon particles with a solution of amino resin to at least partially cause adsorption, occlusion or reaction between the carbon particles and the amino resin and polymerization of the amino resin by heating, mixing a solution of epoxy resin therewith to prepare a paste material and coating the paste material on the surface of a substrate to thermally cure the same thereby to form a resistance film on the surface of the substrate.
516710
G. Ronald Bell & Associates
Sumitomo Electric Industries Ltd.
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