GENEVA, March 10 -- FUJIFILM ELECTRONIC MATERIALS U.S.A., INC. (80 Circuit DriveN. Kingstown, Rhode Island 02852) filed a patent application (PCT/US2024/043850) for "ETCHING COMPOSITIONS" on Aug 26, 2024. With publication no. WO/2025/049387, the details related to the patent application was published on Mar 06, 2025.

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)

Abstract: The present disclosure is directed to etching compositions that are useful for, e.g., selectively removing a boron phosphorus glass (BPSG) film from a semic...