Patent · US Active

Pellicle composition for photomask, pellicle for photomask formed from the pellicle composition, method of forming the pellicle, reticle including the pellicle, and exposure apparatus for lithography including the reticle

US10551735B2 · kind B2 · utility

2Cited by
3References
29Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 5, 2018
Grant dateFeb 4, 2020
Priority date
Expiry dateApr 5, 2038

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03F7/70983
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A pellicle composition for a photomask, a pellicle for a photomask, the pellicle for a photomask being formed from the pellicle composition, a method of forming the pellicle, a reticle including the pellicle, and an exposure apparatus for lithography including the reticle are provided. The pellicle composition includes: at least one selected from graphene quantum dots and a graphene quantum dot precursor, the graphene quantum dots having a size of about 50 nm or less; and a solvent.

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