Patent ID: 6068939
Filing Date: 2000-05-30
Classification: C03C

Abstract:
A method for producing a colored and fired film formed on a substrate, the method comprising the steps of:applying a coloring composition onto a substrate so as to form a film, the coloring composition comprising ultra-fine particles of at least one precious metal selected from the group consisting of Au, Pt, Pd, Rh and Ag, a fixing agent comprising an organic metal compound, a binder resin, a glass network forming component formed of an organic compound containing at least one element selected from the group consisting of Si, B and P, and an organic solvent;coating the surface of the film with a coating agent before firing the film, the coating agent being provided in the form of a solution comprising a thermoplastic resin and an organic solvent; andfiring the film with the coating agent at a temperature from 300.degree. C. to 800.degree. C.,wherein the coating agent does not remain on the film after firing.