US Patent Issued to SM TECH on March 4 for "Frame assembly for optical actuator with rail shafts and manufacturing method thereof" (South Korean Inventor)

ALEXANDRIA, Va., March 5 -- United States Patent no. 12,242,170, issued on March 4, was assigned to SM TECH Co. LTD (Hwaseong-si, South Korea).

"Frame assembly for optical actuator with rail shafts and manufacturing method thereof" was invented by Jaihyun Song (Hwaseong-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A frame assembly constitutes a base or a carrier of the optical actuator, and includes first and second rail shafts formed of a metal, and a frame formed by injecting a resin into a mold into which the first rail shaft and the second rail shaft are inserted. At least a part of each of the first rail shaft and the second rail shaft coming into contact with the ball is exposed throu...