Patent ID: 6214706
Filing Date: 2001-04-10
Classification: C23C,H01L

Abstract:
A method of depositing a silicon containing layer on a surface of a substrate member by way of chemical vapor deposition, comprising the steps ofproviding a vacuum deposition chamber;providing a generally planar substrate carrier that is within said deposition chamber for holding said substrate member;providing a generally planar heating member that is within said deposition chamber;spacing said heating member from said substrate carrier;providing a plurality of non-metallic, electrically conductive, linear, mutually parallel, uniformly spaced, high melting temperature, and coplanar hot rods that are mounted to said heating member such that said hot rods are generally parallel to said substrate carrier;selecting said hot rods from the group carbon hot rods, graphite hot rods, electrically conducting silicon carbide hot rods, and electrically conducting ceramic hot rods;providing a voltage source that is external to said deposition chamber and is electrically connected to said hot rods to resistively heat said hot rods;providing a linear gas injector tube that is within said deposition chamber;mounting said linear gas injection tube such that at least a portion of said length of gas injector tube is coincident with a portion of said length of said hot rods;providing a plurality of uniformly spaced gas flow openings along said length of said gas injector tube for injecting a deposition gas intermediate said substrate carrier and said heating element;providing a pressurized source of silicon containing deposition gas external of said deposition chamber; andconnecting said pressurized source of silicon containing deposition gas to said gas injector tube.