Patent ID: 6287430
Filing Date: 2001-09-11
Classification: C23C,H01J

Abstract:
An apparatus for forming a thin film comprising:a single vacuum chamber;a vacuum apparatus connected to the vacuum chamber;a holder placed within the vacuum chamber, which holder provides a planar rotatable surface for holding a substrate and is rotated within a plane of rotation by means of a rotating mechanism;a plasma CVD apparatus for depositing a first material of a first refractive index on said substrate; anda sputtering apparatus for depositing a second material of a second refractive index on said substrate;wherein both the plasma CVD apparatus and the sputtering apparatus are positioned in said single vacuum chamber, facing said planar rotatable surface and said plane of rotation, for simultaneously depositing said first and second materials to form the thin film with an intermediate refractive index intermediate said first and second refractive indices on the substrate held by the holder.