====== Holodeck ======


===== Literature search =====

CMUT

PMUT\\
http://www-mtl.mit.edu/wpmu/ar2013/thin-film-piezoelectric-micro-machined-ultrasonic-transducer-for-medical-imaging/


Transducer Film
  - http://www.ultra-piezo.com/piezoeletric/556.html
  - http://www.piezo.com/prodsheet1sq5A.html