US Patent Issued to Canon on April 21 for "Photoelectric conversion apparatus, substrate, manufacturing method, and equipment" (Japanese Inventor)

ALEXANDRIA, Va., April 21 -- United States Patent no. 12,610,642, issued on April 21, was assigned to Canon K.K. (Tokyo).

"Photoelectric conversion apparatus, substrate, manufacturing method, and equipment" was invented by Ryo Yoshida (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A photoelectric conversion apparatus includes a semiconductor layer including a front surface, a back surface, and a plurality of photoelectric conversion portions, a first insulation film on a back surface side of the semiconductor layer, a light shielding film between the first insulation film and the back surface, a first light shielding wall in the first insulation film, and a second light shielding wall in the first ins...