| 摘要 |
PURPOSE:To eliminate the generation of gas, to obtain a high adhesion strength and to eliminate the warpage of a metal substrate, by forming an insulating film layer of a metal oxide film in which a coating agent which contains organic metal compound as a main ingredient is applied to the substrate. CONSTITUTION:A plate having high contact resistance, such as a stainless steel is employed as a metal substrate 1, the surface is coated with a coating agent containing as a main ingredient organic metal compound, and it is cured to form an insulating film layer 6. As the organic metal compound, metal alkoxide excepting the silicon represented by a formula M(OR)n or metal carboxylate, etc., represented by a formula M(OCOR)n is properly employed. In the formula, M is metal element (except silicon), R is preferably methyl, ethyl, etc., and n is preferably 2-6. Thus, the layer 6 has high bonding strength to the surface of the metal plate and no resin layer. Accordingly, since gas is not generated and shrinkage is small, the warpage of the substrate is not substantially generated. |
