Patent ID: 11887807
Assignee: ASML NETHERLANDS B.V.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 14:
15. The non-transitory computer-readable medium of claim 14, wherein the operations further comprise:
providing electrical potential to a plurality of annular electrodes of the condenser lens, the plurality of annular electrodes spaced along the optical axis of the condenser lens, wherein the electrical potential is provided to two or more electrodes on a same plane or to two or more electrodes on different planes, each plane corresponding to one of the first position, the second position, or one of the one or more third positions,
wherein providing the electrical potential to selected electrodes of the plurality of annular electrodes causes the condenser lens to move between the first position, the second position, and the one or more third positions.