Patent ID: 11961627
Assignee: ASML NETHERLANDS B.V.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 0:
1. A collimator electrode stack, comprising:
a plurality of stacked collimator electrodes for collimating a charged particle beam along an optical axis, wherein each collimator electrode of the plurality of stacked collimator electrodes comprises an electrode body with an electrode aperture for permitting passage of the charged particle beam, wherein the electrode bodies are mutually spaced along an axial direction that is substantially parallel with the optical axis, and wherein the electrode apertures are coaxially aligned along the optical axis; and
a stack support system for supporting the collimator electrode stack with respect to an external reference frame, and connected to a lateral region of the collimator electrode stack.