Composition for use in a transparent and electrically conductive

Details Composition for use in a transparent and electrically conductive Composition for use in a transparent and electrically conductive

1996-08-26

1999-12-07

Speer, Timothy

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

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B32B 1700

Patent

active

059980117

ABSTRACT:
[Purpose] An object of the present invention is to provide a composition for use in a formation of transparent and electrically conductive film having a low electric resistance and a high transmittance and a method for making the film mentioned above.
[Composition] A mixture of inorganic indium compound and organic tin compound is combined with organic compound capable of coordinating with either of indium and tin to form an organic solution. When the mixture is heated, the inorganic indium compound and the organic tin compound coordinating partially with the organic compound react with water of crystallization of inorganic indium compound. The organic tin compound is partially subjected to hydrolysis to form an intermediate complex compound including indium and tin. This suppresses the evaporation of tin and generates a uniform film having a high transmittance and a low electric resistance. An addition of polyhydric alcohol increases the viscosity of the solution and gives a high stability to a resultant film obtained by applying the composition to the substrate and firing.

REFERENCES:
patent: 4977013 (1990-12-01), Ritchie

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