Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1985-07-01
1988-01-19
Swisher, Nancy A.
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
428210, 428901, 428328, 252518, B05D 512
Patent
active
047204184
ABSTRACT:
A pre-reacted resistor paint is disclosed, wherein a base metal powder, such as SnO.sub.2 is coated with a resinate solution, such as Co and Mn resinates and fired in a reducing atmosphere to form a pre-reacted conductive powder for subsequent mixing with a glass frit and a screening agent to blend a pre-reacted resistive paint, for subsequent screening onto a substrate and firing in an inert atmosphere to form a base metal resistor therefrom. Two mixtures of resistive paint are disclosed. The first resistive paint exhibiting a sheet resistivity in the range from 5,000 through 20,000 ohms per square; and the second resistive paint exhibiting a sheet resistivity in the range from 50,000 through 300,000 ohms per square. The first and second resistive paints may be blended to provide a base metal resistive paint exhibiting a sheet resistivity in the range from 5,000 through 300,000 ohms per square, with a TCR within .+-.200 ppm/.degree.C.
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"Electrical Applications of Thin-Films Produced by Metallo-Organic Deposition," C. Y. Kuo, Solid State Technology, Feb. 1974.
CTS Corporation
Flagg Rodger H.
Swisher Nancy A.
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