Patent · US Active

Lithographic apparatus

US10935895B2 · kind B2 · utility

0Cited by
7References
21Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 13, 2019
Grant dateMar 2, 2021
Priority date
Expiry dateAug 13, 2039

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L21/683
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A lithographic apparatus comprising a projection system configured to project a patterned radiation beam to form an exposure area on a substrate held on a substrate table, the lithographic apparatus further comprising a cooling apparatus for cooling the substrate, wherein the cooling apparatus comprises a cooling element located above the substrate table and adjacent to the exposure area, the cooling element being configured to remove heat from the substrate.

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