ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,706,588, issued on Aug. 11, was assigned to KYOCERA Corp. (Kyoto, Japan).
"Crystal element and crystal device" was invented by Daisuke Matsuura (Tendo, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are a crystal element and a crystal device that have an improved DLD characteristic. The crystal element includes a crystal piece and a pair of electrodes. Each of the electrodes is positioned on a corresponding one of both surfaces of the crystal piece and includes a conductive layer having a gold content of 90% or more in mass ratio. The crystal element has the DLD characteristic in which a portion in a positive direction (+) and a portion i...