Method of making a metallized video disc having an insulating layer thereon

In the method of making an information record comprising a disc having a spiral groove in a surface thereof, said groove containing an information track constituted by geometric variations within said groove coated with a first layer of a conductive metal and a second layer of a dielectric material which is applied by glow discharging said metal coated disc in the presence of a polymeric precursor, the improvement which comprises glow discharging said applied dielectric layer in the presence of an oxygen-containing gas.