Text this: Planar tunable HTS microwave filter with patterned ferroelectric thin film

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