期刊
APPLIED PHYSICS LETTERS
卷 95, 期 3, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.3184579
关键词
dielectric polarisation; MIS devices; MOSFET; piezoelectric semiconductors; piezoelectric transducers; spin coating
资金
- European Commission [ICT-FP7-231500]
- Italian MIUR
This work presents piezoelectric oxide semiconductor field effect transistor (POSFET) based touch sensing devices. These devices are fabricated by spin coating thin (similar to 2.5 mu m) piezoelectric polymer film directly on to the gate area of metal oxide semiconductor (MOS) transistor. The polymer film is processed in situ and challenging issues such as in situ poling of piezoelectric polymer film, without damaging or altering the characteristics of underlying MOS devices, are successfully dealt with. The POSFET device represents an integral sensotronic unit comprising of transducer and the transistor-thereby sensing as well as conditioning (and processing) the touch signal at same site..
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