Patent ID: 11961697
Assignee: ASML NETHERLANDS B.V.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A source-conversion unit comprising:
an image-forming element array having a plurality of image-forming elements configured to form a plurality of images of a charged-particle source by influencing a plurality of beamlets of a primary charged particle beam generated by the charged-particle source; and
an aberration compensator array having a plurality of micro-compensators configured to compensate aberrations of the plurality of images, wherein each micro-compensator comprises a micro-lens element placed in one layer of a first set of layers and a micro-stigmator element placed in another layer of the first set of layers,
wherein a layer of the first set of layers includes at least one micro-lens element and at least one micro-stigmator element.