US Patent Issued to CHANGXIN MEMORY TECHNOLOGIES on Sept. 16 for "Sealing ring, stacked structure, and method for manufacturing sealing ring" (Chinese Inventor)

ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,417,952, issued on Sept. 16, was assigned to CHANGXIN MEMORY TECHNOLOGIES INC. (Hefei, China).

"Sealing ring, stacked structure, and method for manufacturing sealing ring" was invented by Hua Hu (Hefei, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments of the disclosure provide a sealing ring, a stacked structure, and a method for manufacturing a sealing ring. The sealing ring is arranged at a periphery of a device area of a chip, and includes an inner ring structure, a middle ring structure, and an outer ring structure. The middle ring structure is connected to the device area through a doped well. The doped well is located in part of a...