US Patent Issued to TDK on Nov. 18 for "Variable capacitor and integrated circuit" (Japanese Inventors)

ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,477,755, issued on Nov. 18, was assigned to TDK Corp. (Tokyo).

"Variable capacitor and integrated circuit" was invented by Tomoyuki Sasaki (Tokyo), Tatsuo Shibata (Tokyo) and Katsuyuki Nakada (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A variable capacitor includes: a first conductive layer; a second conductive layer; and a capacitance layer sandwiched between the first conductive layer and the second conductive layer. Each of the first conductive layer and the second conductive layer is a ferromagnetic layer containing a ferromagnetic material. The first conductive layer has a first magnetic domain and a second magnetic domain having magnetiz...