Patent ID: 7749871
Filing Date: 2010-07-06
Classification: C23C,C30B,H01L

Abstract:
1. An atomic layer deposition (ALD) process for growing a carbon-containing metallic film on a substrate in a reaction space comprising the sequential steps of: a) feeding a vapor-phase pulse of a metal source chemical into the reaction space with an inert carrier gas; b) purging the reaction space with an inert gas; c) feeding a vapor-phase pulse of a gettering compound into the reaction space, wherein the gettering compound comprises carbon and leaves carbon in the film and wherein the gettering compound is selected from the group consisting of alkyl aluminum, alkyl zinc, organo-lead, organo-iron, gallium and indium compounds that have at least one metal-carbon bond; d) purging the reaction space with an inert gas; and e) repeating steps a) through d) until the carbon-containing metal film of a desired thickness is formed.