Patent ID: 11939664
Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
Field: Surface technology, coating (Chemistry)
Classification: CPC C  H | IPC C  H

Claim 14:
15. A semiconductor process system, comprising:
a process chamber;
a substrate support configured to support a substrate within the first process chamber;
a bell jar support;
a first bell jar including an interior surface coated in zirconium and configured to cover the substrate support when placed on the bell jar support;
a second bell jar including an interior surface coated in aluminum and configured to cover the support when placed on the bell jar support; and
deposition equipment configured to:
deposit a metal on the substrate while the substrate is supported on the substrate support and covered by first the bell jar; and
deposit a dielectric layer on the metal layer on the substrate while the substrate is supported on the substrate support and covered by second the bell jar.