GENEVA, Feb. 10 -- FUJIFILM ELECTRONIC MATERIALS U.S.A., INC. (80 Circuit DriveN. Kingstown, Rhode Island 02852) filed a patent application (PCT/US2025/022774) for "ETCHING COMPOSITIONS" on Apr 02, 2025. With publication no. WO/2026/029808, the details related to the patent application was published on Feb 05, 2026.
Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual Property Organization (WIPO).
Inventor(s): HAYASHI, Kohei (1233 S Gilbert RoadApt. 1109Gilbert, Arizona 85296), TAKAHASHI, Tomonori (2-32-32 OhsuFujieda, Shizuoka 426-0051)
Abstract: The present disclosure provides etching compositions that can selectively etch TiN in the presenc...