https://pure.psu.edu/en/publications/fabrication-and-performance-of-a-flextensional-microactuator/
Fabrication and performance of a flextensional microactuator - Penn State
of afabricationperformancepennstate
https://pubchem.ncbi.nlm.nih.gov/patent/EP-0363032-A3
Flextensional transducers - Patent EP-0363032-A3 - PubChem
EP-0363032-A3 chemical patent summary.
transducerspatenteppubchem