Patent ID: 6190788
Filing Date: 2001-02-20
Classification: C09D,C23C,H01L,Y10T

Abstract:
A substrate material provided with a siliceous coating film which is an integral body comprising:(A) a base substrate; and(B) a siliceous coating film formed on at least one surface of the base substrate, the siliceous coating film being formed by a process which comprises the steps of:(1) coating the surface of the base substrate with a coating solution of a modified polysilazane compound, which is a reaction product of a polysilazane compound and a dialkyl alkanol amine, to form a coating layer;(2) drying the coating layer to give a dried coating layer; and(3) subjecting the dried coating layer to a baking heat treatment at a temperature in the range from 550 to 800.degree. C.