US Patent Issued to MURATA MANUFACTURING on July 7 for "Piezoelectric vibration element having conductive etch stop, piezoelectric vibrator, and piezoelectric oscillator" (Japanese Inventors)

ALEXANDRIA, Va., July 7 -- United States Patent no. 12,676,592, issued on July 7, was assigned to MURATA MANUFACTURING Co. LTD. (Nagaokakyo, Japan).

"Piezoelectric vibration element having conductive etch stop, piezoelectric vibrator, and piezoelectric oscillator" was invented by Tadayuki Okawa (Nagaokakyo, Japan) and Toshio Nishimura (Nagaokakyo, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A piezoelectric vibration element that includes a piezoelectric piece having a first principal surface and a second principal surface; a via electrode penetrating the piezoelectric piece from the first principal surface to the second principal surface thereof; a conductive etch stop film covering the via electrod...