ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,488,916, issued on Dec. 2, was assigned to POLYTRONICS TECHNOLOGY CORP. (Hsinchu, Taiwan).
"Over-current protection device" was invented by Chen-Nan Liu (Changhua County, Taiwan), Yung-Hsien Chang (Douliu, Taiwan), Cheng-Yu Tung (Tainan, Taiwan), Hsiu-Che Yen (Taoyuan, Taiwan), Chia-Yuan Lee (Hsinchu, Taiwan), Yao-Te Chang (Yunlin County, Taiwan) and Fu-Hua Chu (Taipei, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An over-current protection device includes a first metal layer, a second metal layer and a heat-sensitive layer laminated therebetween. The heat-sensitive layer exhibits a positive temperature coefficient (PTC) characteristic and inclu...