Patent ID: 11967488
Assignee: ASM IP HOLDING B.V.
Field: Surface technology, coating (Chemistry)
Classification: CPC H  C | IPC C  H

Claim 18:
19. A method for treating a reaction chamber, the method comprising:
providing a reactor comprising the reaction chamber;
providing a metal halide source comprising a metal halide fluidly coupled to the reactor;
providing a metal CVD source comprising a metal CVD precursor selected from the group consisting of one or more of organometallic compounds and aluminum CVD compounds fluidly coupled to the reactor;
providing a treatment reactant source comprising a treatment gas coupled to the reactor, wherein the treatment gas comprises a material with a same chemical formula as the decomposition product of the metal CVD precursor;
providing a vacuum pump coupled to the reactor; and
using a controller to:
introduce the metal halide and introduce the metal CVD precursor to the reaction chamber to form a deposited doped metal film comprising one or more of aluminum-doped titanium carbide and aluminum-doped tantalum carbide overlying a substrate and a residue buildup within the reaction chamber;
remove the substrate from the reaction chamber; and
after the substrate is removed, introduce the treatment gas to perform a reaction chamber treatment to densify the residue buildup into additional densified residue;

wherein the metal halide source, the metal CVD source, and the treatment reactant source are separate;
wherein the treatment reactant source comprises a halogen, and
wherein the residue buildup comprises organic material.