Patent ID: 11920239
Assignee: LAM RESEARCH CORPORATION
Field: Surface technology, coating (Chemistry)
Classification: CPC C  H | IPC C  H

Claim 0:
1. A method of conditioning a reaction chamber used to perform remote plasma processing, the method comprising:
forming a low recombination material coating on exposed surfaces within the reaction chamber while no substrate is present in the reaction chamber, wherein the low recombination material coating exhibits a recombination rate for hydrogen radicals in the reaction chamber with a recombination probability of about 5E-4 or less, wherein the low recombination material coating comprises an oxide material, wherein the low recombination material coating has an average thickness between about 50 Å and about 500 Å;
providing a substrate in the reaction chamber;
flowing a silicon-containing precursor into the reaction chamber through an inlet;
generating a hydrogen plasma in a remote plasma chamber to form the hydrogen radicals;
flowing the hydrogen radicals into the reaction chamber through a gas distributor, wherein the hydrogen radicals react with the silicon-containing precursor to deposit a silicon-containing film on the substrate; and
after depositing the silicon-containing film on the substrate, exposing the reaction chamber to an oxidizing plasma to recondition the exposed surfaces within the reaction chamber and thereby reform the low recombination material coating.