Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Photomask blank and method for preparing photomask

Photomask blank and method for preparing photomask

US Patent 11327393 · Granted May 10, 2022

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Reflective mask blank and method for manufacturing reflective mask2025
Solid state imaging element, imaging apparatus, and method for controlling solid2025
Reflective mask blank, and reflective mask2025
Reflective mask blank, and method for manufacturing reflective mask2025
Reflective mask blank, and method for manufacturing reflective mask2025
Reflective mask blank, and method for manufacturing reflective mask2025
Imaging device and electronic apparatus2025
Phase shift mask blank, manufacturing method of phase shift mask, and phase shif2025
Reflective mask blank and reflective mask2024
Substrate with film for reflective mask blank, reflective mask blank, and method2024
Imaging device and calibration method2024
Reflective mask blank, method of manufacturing thereof, and reflective mask2024