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Processed materials are typically in the non-piezoelectric alpha phase. The material must either be stretched or annealed to obtain the piezoelectric beta phase. The exception to this is for PVDF thin films (thickness in the order of micrometres). Residual stresses between thin films and the substrates on which they are processed are great ...
KYOCERA Develops Ultra-Thin, Lightweight 'Piezo Film Speaker' for TVs, PCs, Tablets High audio quality "Smart Sonic Sound" utilized in flat-screen TV for first time KYOTO, Japan--(BUSINESS WIRE ...
The use of thin film piezoelectric materials in electronics began in the early 1960s at Bell Telephone Laboratories/Bell Labs. Earlier piezoelectric crystals were developed and used as resonators in applications like oscillators with frequencies up to 100 MHz. Thinning was applied for increasing the resonance frequency of the crystals.
The company's new Smart Sonic Sound device still relies on a piezoelectric actuator, but vibrates against a film to generate as much volume as a regular speaker in a far thinner (under 1.5mm thick ...
CEATEC Japan 2013: KYOCERA Wins 2 Awards for Innovative Technologies TOKYO--(BUSINESS WIRE)-- Kyocera Corporation (NYS: KYO) (TOKYO:6971) is proud to announce that two of its new technologies and ...
Kynar [7] Solef [8] Hylar [9] VF2: 175 PTFE (polytetrafluoroethylene) Sold by AGC under the tradename Fluon PTFE; Sold by Dupont and Chemours Company under the ...
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Piezoelectric micromachined ultrasonic transducers (PMUT) are MEMS-based piezoelectric ultrasonic transducers.Unlike bulk piezoelectric transducers which use the thickness-mode motion of a plate of piezoelectric ceramic such as PZT or single-crystal PMN-PT, PMUT are based on the flexural motion of a thin membrane coupled with a thin piezoelectric film, such as PVDF.