Patent ID: 11886126
Assignee: CARL ZEISS SMT GMBH
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 20:
21. A method of removing at least a single particulate from a substrate, said method comprising the steps of:
a. providing a plurality of reservoir vessels that store a plurality of gases, in which each reservoir vessel stores a respective gas, and different gases are matched with different corresponding materials that are selected from a group of two or more materials that include different elements;
b. determining at least one constituent of a material composition of the at least one single particulate, in which the at least one constituent of the material composition is selected from the group of two or more materials that include different elements;
c. determining, from among the plurality of gases, a gas that matches the determined at least one constituent of the material composition of the at least one single particulate; and
d. providing the gas matched to the determined constituent of the material composition in an environment of the at least one single particulate,
e. wherein the matched gas contributes to removing the at least one single particulate from the substrate.