Patent · US Active

Mirror arrangement for a lithography apparatus and method for producing the same

US9869937B2 · kind B2 · utility

0Cited by
2References
33Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJan 6, 2015
Grant dateJan 16, 2018
Priority date
Expiry dateAug 11, 2035

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T29/49817
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A method for producing a mirror arrangement for a lithography apparatus is proposed, which comprises the following steps: producing a mirror body having a cavity delimited by a front wall, a rear wall and a side wall of the mirror body, the side wall being arranged between the front wall and the rear wall, wherein at least one supporting element is provided in the cavity between the front wall and the rear wall; and after producing the mirror body, at least partly removing the supporting element.

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