US Patent Issued to Applied Materials on Oct. 7 for "Retaining ring having inner surfaces with features" (California Inventors)

ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,434,348, issued on Oct. 7, was assigned to Applied Materials Inc. (Santa Clara, Calif.).

"Retaining ring having inner surfaces with features" was invented by Steven Mark Reedy (San Ramon, Calif.), Simon Yavelberg (Cupertino, Calif.), Jeonghoon Oh (Saratoga, Calif.), Steven M. Zuniga (Soquel, Calif.), Andrew J. Nagengast (Sunnyvale, Calif.), Samuel Chu-Chiang Hsu (Palo Alto, Calif.) and Gautam Shashank Dandavate (Sunnyvale, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Some implementations of a retaining ring has an inner surface having a first portion formed of multiple planar facets and a second portion that adjoins the first portion along a bou...