Text this: Characterization of piezoelectric films and mems devices by scanning interferometer

  _____    _    _     _  _     _____      _____  
 /  ___|| | || | ||  | \| ||  |  ___||   / ___// 
| // __   | || | ||  |  ' ||  | ||__     \___ \\ 
| \\_\ || | \\_/ ||  | .  ||  | ||__     /    // 
 \____//   \____//   |_|\_||  |_____||  /____//  
  `---`     `---`    `-` -`   `-----`  `-----`