Title :
Dual layer ultrasonic transducer used for touch sensing
Author :
Decharat, Authors Adit ; Wagle, Sanat ; Melandso, Frank
Author_Institution :
Dept. of Phys. & Technol., Univ. of Tromso, Tromso, Norway
Abstract :
The use of a dual layer transducer as a touch sensor has been explored both through experiments on simple prototypes, and FEM modeling. An adhesive free method was developed to deposit piezoelectric P(VDF-TrFE) polymer directly onto a standard Kapton (polyimide) film yielding touch sensors with good acoustic response in the ultrasonic band between 40 MHz to 60 MHz.
Keywords :
finite element analysis; piezoelectric materials; polymer films; tactile sensors; ultrasonic transducers; ultrasonic waves; FEM modeling; P(VDF-TrFE) polymer; acoustic response; adhesive free method; dual layer ultrasonic transducer; piezoelectric polymer deposition; polyimide film; standard Kapton films; touch sensing; touch sensors; ultrasonic band; Acoustics; Electrodes; Films; Frequency measurement; Tactile sensors; Transducers; FEM modelling; PVDF copolymer; Ultrasonic standing waves; touch sensors;
Conference_Titel :
Ultrasonics Symposium (IUS), 2013 IEEE International
Conference_Location :
Prague
Print_ISBN :
978-1-4673-5684-8
DOI :
10.1109/ULTSYM.2013.0122
