Patent · US Expired

Optical element holder, exposure apparatus, and device fabricating method

US7116501B2 · kind B2 · utility

4Cited by
14References
11Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 5, 2005
Grant dateOct 3, 2006
Priority date
Expiry dateOct 5, 2025

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03F7/70825
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

An optical element holder for holding an optical element includes a holding element to hold the optical element or a holding part provided to the optical element unitedly, wherein there is substantially no heat exchange between the optical element and the holding element or the holding part and the holding element.

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