An ultrasound array has a number of oscillator elements arranged side-by-side, each oscillator element having a trapezoidal cross-section. The oscillator elements are separated from each other by incisions having non-parallel walls, which are co-planar with surfaces of the piezoelectric material comprising...http://www.google.fr/patents/USRE35011?utm_source=gb-gplus-shareBrevet USRE35011 - Ultrasound array having trapezoidal oscillator elements and a method and apparatus for the manufacture thereof
Ultrasound array having trapezoidal oscillator elements and a method and ...