Patent ID: 11927888
Assignee: CARL ZEISS SMT GMBH
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 20:
21. A method of tracking and identifying components of a lithography system, each component comprising a transponder, each transponder comprising data memory configured to store data relating to the component, each transponder configured to wirelessly pick up arriving signals of a reader and to respond with data from its data memory, each component being a mechanical component without electrical parts and/or without a power supply, the method comprising:
for each component, storing the data relating to the component in the data memory of its transponder during production of the component, production of the lithography system, and/or after start-up of the lithography system; and
reading out the data for at least one member selected from the group consisting of service purposes, when an overhaul occurs, when a repair occurs, when maintenance occurs, when error messages occur, during the production process to ascertain which components have already been installed, to ascertain what status the component has, to ascertain whether a specific lithography system has been provided with the associated components.