Patent · US Expired

Lithographic apparatus and device manufacturing method

US7907255B2 · kind B2 · utility

10Cited by
25References
56Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 24, 2004
Grant dateMar 15, 2011
Priority date
Expiry dateAug 29, 2025

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03F9/7088
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A lithographic apparatus is provided that has a sensor at substrate level, the sensor including a radiation receiver, a transmissive plate supporting the radiation receiver, and a radiation detector, wherein the sensor is arranged to avoid loss of radiation between the radiation receiver and a final element of the radiation detector.

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