Micron Technology, Inc.
Contaminant detection tools and related methods
Last updated:
Abstract:
A method of contaminant detection comprises exposing a wafer comprising one or more contaminants to microdroplets of an oxidizer to form an oxide on a surface of the wafer, exposing the oxide to an etchant to remove the oxide and leave the one or more contaminants on the surface of the wafer, and determining a composition of the one or more contaminants. Additional methods and related tools are also disclosed.
Status:
Grant
Type:
Utility
Filling date:
25 Sep 2019
Issue date:
28 Dec 2021