Patent · US Active

Lithographic apparatus

US10114299B2 · kind B2 · utility

0Cited by
1References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 7, 2015
Grant dateOct 30, 2018
Priority date
Expiry dateMay 7, 2035

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG10K11/172
  • WIPO fieldOther consumer goods
  • WIPO sectorOther fields

Abstract

A lithographic apparatus has a compartment which accommodates a movable object. Movements of the movable object cause acoustic disturbances in the compartment. An acoustic damper is arranged to damp the acoustic disturbances in the compartment and comprises a chamber (100) in communication with the compartment and a perforated plate (101), having a plurality of through-holes (102), between the chamber and the compartment.

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