US Patent Issued to Taiwan Semiconductor Manufacturing on Oct. 14 for "Surface uniformity control in pixel structures of image sensors" (Taiwanese Inventors)

ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,446,333, issued on Oct. 14, was assigned to Taiwan Semiconductor Manufacturing Co. Ltd. (Hsinchu, Taiwan).

"Surface uniformity control in pixel structures of image sensors" was invented by Po-Chun Liu (Hsinchu, Taiwan), Eugene I-Chun Chen (Taipei, Taiwan) and Chun-Kai Lan (Hsinchu, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A semiconductor device with an image sensor and a method of fabricating the same are disclosed. The method includes depositing a dielectric layer on a substrate, forming a trench within the dielectric layer and the substrate, forming an epitaxial structure within the trench, and forming a barrier layer with first and secon...