Patent ID: 11881831
Assignee: AKOUSTIS, INC.
Field: Basic communication processes (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 7:
8. The method of claim 1 wherein the modulating of the strain state includes introducing one or more impurities into the piezoelectric film; wherein the one or more impurity species can include the following: silicon (Si), magnesium (Mg), carbon (C), oxygen (O), erbium (Er), rubidium (Rb), strontium (Sr), scandium (Sc), beryllium (Be), molybdenum (Mo), zirconium (Zr), Hafnium (Hf), and vanadium (Va); wherein the one or more impurity species has impurity concentrations ranging from 1E+10 to 1E+21 per cubic centimeter; and wherein introducing one or more impurities includes using a gas source to directly deliver the one or more impurity species or using an organometallic source to derive the source gas to deliver the one or more impurity species.