US Patent Issued to Powerchip Semiconductor Manufacturing on May 20 for "Photosensor having a scattering structure comprises circular ring and peripheral patterns" (Taiwanese Inventors)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,310,138, issued on May 20, was assigned to Powerchip Semiconductor Manufacturing Corp. (Hsinchu, Taiwan).

"Photosensor having a scattering structure comprises circular ring and peripheral patterns" was invented by Eknath Sarkar (New Taipei, Taiwan), Yichen Ma (Taipei, Taiwan), Yu-Chieh Lee (Taipei, Taiwan) and Chee-Wee Liu (Taipei, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A photosensor provided herein includes a sensing structure and a microlens. The sensing structure includes an epitaxial layer, a deep trench and a scattering structure. The epitaxial layer has an illuminated surface and a non-illuminated surface. The deep trench isolation ...