US Patent Issued to Microchip Technology on March 24 for "Metal-insulator-metal (MIM) capacitors with curved electrode" (Washington Inventor)

ALEXANDRIA, Va., March 24 -- United States Patent no. 12,588,224, issued on March 24, was assigned to Microchip Technology Inc. (Chandler, Ariz.).

"Metal-insulator-metal (MIM) capacitors with curved electrode" was invented by Yaojian Leng (Vancouver, Wash.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for making a metal-insulator-metal (MIM) capacitors by etching a dielectric layer to form a via or contact hole, a tub, and a trench in the dielectric layer; depositing conformal metal in the via or contact hole, the tub, and the trench, wherein deposited conformal metal forms a via or contact in the via or contact hole; depositing a bottom electrode metal in the tub to form a bottom electrode of a me...