Patent · US Active

Large spot spectral sensing to control spatial setpoints

US12360510B2 · kind B2 · utility

0Cited by
13References
30Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 15, 2022
Grant dateJul 15, 2025
Priority date
Expiry dateJan 31, 2044

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG05B2219/45031
  • WIPO fieldControl
  • WIPO sectorInstruments

Abstract

A large beam spot spectral reflectometer system for measuring a substrate is provided. Hardware components for collecting in situ large beam spot optical signals is disclosed. Machine learning models for denoising large beam spot optical signals are disclosed. Machine learning models for interpreting in situ optical data and facilitating process control are also disclosed.

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