Film Sensor Device Fabricated by a Piezoelectric Poly(L-lactic acid) Film
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概要
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Synthetic piezoelectric polymer films produced from petroleum feedstock have long been used as thin-film sensors and actuators. However, the fossil fuel requirements for synthetic polymer production and carbon dioxide emission from its combustion have raised concern about the environmental impact of its continued use. Eco-friendly biomass polymers, such as poly(L-lactic acid) (PLLA), are made from plant-based (vegetable starch) plastics and, thus, have a much smaller carbon footprint. Additionally, PLLA does not exhibit pyroelectricity or unnecessary poling. This suggests the usefulness of PLLA films for the human--machine interface (HMI). As an example of a new HMI, we have produced a TV remote control using a PLLA film. The intuitive operation provided by this PLLA device suggests that it is useful for the elderly or handicapped.
- 2012-09-25
著者
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Tajitsu Yoshiro
Graduate School of Electrical Engineering, Kansai University, Suita, Osaka 564-8680, Japan
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Tajitsu Yoshiro
Graduate School of Engineering, Kansai University, Suita, Osaka 564-8680, Japan
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Kageyama Keisuke
Murata Manufacturing Co., Ltd., Nagaokakyo, Kyoto 617-8555, Japan
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Kageyama Keisuke
Murata Manufacturing Co., Ltd., 1-10-1 Higashikotari, Nagaokakyo, Kyoto 617-8555, Japan
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Kawamura Hideki
Murata Manufacturing Co., Ltd., Nagaokakyo, Kyoto 617-8555, Japan
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Ando Masamichi
Murata Manufacturing Co., Ltd., Nagaokakyo, Kyoto 617-8555, Japan
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