US Patent Issued to SUMITOMO HEAVY INDUSTRIES ION TECHNOLOGY on March 4 for "Ion generator and ion implanter" (Japanese Inventor)

ALEXANDRIA, Va., March 5 -- United States Patent no. 12,243,708, issued on March 4, was assigned to SUMITOMO HEAVY INDUSTRIES ION TECHNOLOGY Co. LTD. (Tokyo).

"Ion generator and ion implanter" was invented by Syuta Ochi (Ehime, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An ion generator includes an arc chamber defining a plasma generation space, and a cathode which emits thermoelectrons toward the plasma generation space. The arc chamber includes a box-shaped main body having an opening, and a slit member mounted to cover the opening and provided with a front slit. An inner surface of the main body is exposed to the plasma generation space made of a refractory metal material. The slit member includ...