Patent · US Active

Pellicle and pellicle assembly

US12117726B2 · kind B2 · utility

0Cited by
7References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 11, 2023
Grant dateOct 15, 2024
Priority date
Expiry dateJul 11, 2043

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03F1/64
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A pellicle assembly includes a pellicle frame defining a surface onto which a pellicle is, or to be, attached. The pellicle assembly includes one or more three-dimensional expansion structures that allow the pellicle to expand under stress. A pellicle assembly for a patterning device, the pellicle assembly includes one or more actuators for moving the pellicle assembly towards and way from the patterning device.

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