Patent · US Active

Apparatus using multiple beams of charged particles

US11289304B2 · kind B2 · utility

2Cited by
10References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 4, 2018
Grant dateMar 29, 2022
Priority date
Expiry dateFeb 25, 2039

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01J2237/1205
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

Disclosed herein is an apparatus comprising: a first electrically conductive layer; a second electrically conductive layer; a plurality of optics element s between the first electrically conductive layer and the second electrically conductive layer, wherein the plurality of optics elements are configured to influence a plurality of beams of charged particles; a third electrically conductive layer between the first electrically conductive layer and the second electrically conductive layer; and an electrically insulating layer physically connected to the optics elements, wherein the electrically insulating layer is configured to electrically insulate the optics elements from the first electrically conductive layer, and the second electrically conductive layer.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.