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ALTAFIM, R. A. P. ; ASSAGRA, Y. A. O. ; ALTAFIM, R. A. C. ; CARMO, J. P. ; PALITÓ, T. T. C. ; SANTOS, A. M. ; RYCHKOV, D. . Piezoelectric-magnetic behavior of ferroelectrets coated with magnetic layer. APPLIED PHYSICS LETTERS , v. 119, p. 241901, 2021.
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ASSAGRA, YURI A. O. ; ALTAFIM, RUY A. P. ; DO CARMO, JOAO P. ; ALTAFIM, RUY A. C. ; RYCHKOV, DMITRY ; WIRGES, WERNER ; GERHARD, REIMUND . A new route to piezo-polymer transducers: 3D printing of polypropylene ferroelectrets. IEEE TRANSACTIONS ON DIELECTRICS AND ELECTRICAL INSULATION , v. 27, p. 1668-1674, 2020.
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DE LUNA, DANIEL R. ; PALITO, T. T. C. ; ASSAGRA, Y. A. O. ; ALTAFIM, R.A.P. ; CARMO, J.P. ; ALTAFIM, R.A.C. ; CARNEIRO, A.A.O. ; DE SOUSA, VICENTE A. . Ferroelectret-based Hydrophone Employed in Oil Identification-A Machine Learning Approach. SENSORS , v. 20, p. 2979, 2020.
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PALITO, T.T.C. ; ASSAGRA, Y.A.O. ; ALTAFIM, R.A.P. ; CARMO, J.P. ; ALTAFIM, R.A.C. . Hydrophone based on 3D printed polypropylene (PP) piezoelectret. ELECTRONICS LETTERS , v. 55, p. 203-204, 2019.
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PALITÓ, T.T.C. ; ASSAGRA, Y.A.O. ; ALTAFIM, R.A.P. ; CARMO, J.P. ; ALTAFIM, R.A.C. . Low-cost electro-acoustic system based on ferroelectret transducer for characterizing liquids. MEASUREMENT , v. 131, p. 42-49, 2019.
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ALTAFIM, RUY A. C. ; DE CARVALHO, FELIPE J. ; ASSAGRA, YURI A. O. ; BORGES, BEN-HUR V. ; ALTAFIM, RUY A. P. . Electrical network models of one-and multidimensional ferroelectret structures with open tubular channels. IEEE TRANSACTIONS ON DIELECTRICS AND ELECTRICAL INSULATION , v. 25, p. 822-828, 2018.
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ASSAGRA, Y.A.O. ; CARMO, J.P. ; ALTAFIM, R.A.P. ; ALTAFIM, R.A.C. . Piezoelectrets with well-defined cavities produced from 3D-printed acrylonitrile butadiene styrene structures. ELECTRONICS LETTERS (ONLINE) , v. 51, p. 2028-2030, 2015.
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ASSAGRA, YURI ANDREY OLIVATO ; ALTAFIM, RUY ALBERTO PISANI ; SILVA, JOSÉ FRANCISCO RESENDE DA ; BASSO, HEITOR CURY ; LAHR, FRANCISCO ANTONIO ROCCO ; ALTAFIM, RUY ALBERTO CORRÊA . Laminated composite based on polyester geotextile fibers and polyurethane resin for coating wood structures. Materials Research-Ibero-american Journal of Materials , v. 16, p. 1140-1147, 2013.
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PALITO, T.T.C. ; ASSAGRA, Y.A.O. ; ALTAFIM, R.A.C. ; CARMO, J.P.P. ; CARNEIRO, A.A.O. ; ALTAFIM, R.A.P. . Investigation of Water Content in Power Transformer Oils through Ultrasonic Measurements. In: 2018 IEEE Conference on Electrical Insulation and Dielectric Phenomena (CEIDP), 2018, Cancun. 2018 IEEE Conference on Electrical Insulation and Dielectric Phenomena (CEIDP), 2018. p. 279.
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CELINO, D. R. ; GOUNELLA, R.H. ; COSTA, J. P. C. ; ASSAGRA, Y. A. O. ; CARMO, J. P. . Fully Integrated RF Mixer in 0.7m CMOS for Intra Corporal Communication Devices. In: El Seminario Anual de Automática, Electrónica Industrial e Instrumentación, 2018, Barcelona. SAAEI 2018, 2018.
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CELINO, D. R. ; COSTA, J. P. C. ; GRANADO, T. C. ; ASSAGRA, Y. A. O. ; CARMO, J. P. . A RF Mixer using 0.7um CMOS for Intra Corporal Communication Devices. In: 32nd Symposium on Microelectronics Technology and Devices, 2017, Fortaleza. SBMicro 2017, 2017.
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COSTA, J. P. C. ; GOUNELLA, R.H. ; GRANADO, T. C. ; MACHADO, R. T. ; ASSAGRA, Y. A. O. ; CORREIA, J. H. ; CARMO, J. P. . Optical CMOS sensor for angular measurements with readout electronics. In: SBMicro, 2017, Fortaleza. SBMicro 2017, 2017.
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GRANADO, T. C. ; GOUNELLA, R.H. ; COSTA, J. P. C. ; ASSAGRA, Y. A. O. ; CARMO, J. P. . A Biopotencial Amplifier in CMOS for Neural Recording on Optogenetics Applications. In: SBMicro, 2017, Fortaleza. SBMicro 2017, 2017.
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GRANADO, T. C. ; GOUNELLA, R.H. ; COSTA, J. P. C. ; ASSAGRA, Y. A. O. ; CORREIA, J. H. ; CARMO, J. P. . Simulation and Fabrication Techniques of Optical Filters for NBI. In: SForum, 2017, Fortaleza. SForum 2017, 2017.
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GOUNELLA, R.H. ; GRANADO, T. C. ; COSTA, J. P. C. ; ASSAGRA, Y. A. O. ; CARMO, J. P. . CMOS developments for photonic modules on endoscopic capsules. In: IMOC, 2017, Águas de Lindoia. IMOC 2017, 2017.
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GRANADO, T. C. ; GOUNELLA, R.H. ; COSTA, J. P. C. ; ASSAGRA, Y. A. O. ; CORREIA, J. H. ; CARMO, J. P. ; SILVA, M. F. . Optical filters for narrow-band imaging on medical devices. In: IMOC 2017, 2017, Águas de Lindoia. IMOC 2017, 2017.
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FERREIRA, DANIEL AUGUSTO PAGI ; ALTAFIM, RUY ALBERTO CORREA ; DE SOUSA, FELIPE SCHIAVON INOCENCIO ; PALITO, THAMYRES TAMULA CAVALCANTE ; ASSAGRA, YURI ANDREY OLIVATO ; ALTAFIM, RUY ALBERTO PISANI . Detection of acoustic emissions from partial discharges in distribution transformers with piezoelectret transducers. In: 2017 IEEE Conference on Electrical Insulation and Dielectric Phenomenon (CEIDP), 2017, Fort Worth. 2017 IEEE Conference on Electrical Insulation and Dielectric Phenomenon (CEIDP), 2017. p. 381.
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ASSAGRA, YURI ANDREY OLIVATO ; ALTAFIM, RUY ALBERTO CORREA ; DO CARMO, JOAO PAULO PEREIRA ; ALTAFIM, RUY ALBERTO PISANI . Well-defined piezoelectrets fabricated with 3D printing technology. In: 2016 IEEE International Conference on Dielectrics (ICD), 2016, Montpellier. 2016 IEEE International Conference on Dielectrics (ICD), 2016. p. 257.
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DE CARVALHO, FELIPE JOSE ; ALTAFIM, RUY ALBERTO CORREA ; ASSAGRA, YURI ANDREY OLIVATO ; BORGES, BEN-HUR VIANA ; ALTAFIM, RUY ALBERTO PISANI . Electric circuit model for simulating ferroelectrets with open-tubular channels. In: 2016 IEEE Conference on Electrical Insulation and Dielectric Phenomena (CEIDP), 2016, Toronto. 2016 IEEE Conference on Electrical Insulation and Dielectric Phenomena (CEIDP), 2016. p. 315.
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ASSAGRA, Y. A. O. ; GRANADO, T. C. ; CELINO, D. R. ; CORREIA, J. H. ; CARMO, J. P. . Optical microsystem in silicon with CMOS photodiodes, optical filters and microlenses. In: Seminario Anual de Automática, Electrónica Industrial e Instrumentación 2016, 2016, Elche. SAEEI, 2016.
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CELINO, D. R. ; ASSAGRA, Y. A. O. ; GRANADO, T. C. ; CORREIA, J. H. ; CARMO, J. P. . A RF Modulator/Demodulator for Small Signal Range Wireless Devices. In: Seminario Anual de Automática, Electrónica Industrial e Instrumentación, 2016, Elche. SAAEI 2016, 2016.
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ASSAGRA, YURI ANDREY OLIVATO ; ALTAFIM, RUY ALBERTO CORREA ; ALTAFIM, RUY ALBERTO PISANI . Thermo-formed piezoelectrets with open-tubular channels produced from water-filled FEP pads. In: 2015 IEEE Conference on Electrical Insulation and Dielectric Phenomena (CEIDP), 2015, Ann Arbor. 2015 IEEE Conference on Electrical Insulation and Dielectric Phenomena (CEIDP), 2015. p. 648.
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PALITO, T. T. C. ; ASSAGRA, Y. A. O. ; SILVA, J. F. R. ; ALTAFIM, R. A. C. ; ALTAFIM, R. A. P. ; REIS, C. F. ; AMORIM, M. F. ; CAVALCANTI, A. C. . Acoustic detection of single and multiple air-gap partial discharges with piezoelectrets transducers. In: IEEE Conference on Electrical Insulation and Dielectric Phenomena, 2014, Des Moines. 2014 Annual Report Conference on Electrical Insulation and Dielectric Phenomena, 2014. v. 1. p. 216-219.
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FALCONI, D. R. ; ASSAGRA, Y. A. O. ; ALTAFIM, R. A. P. ; ALTAFIM, R. A. C. . Influence of electrodes geometry on images formed by direct contact electrical discharge over electret films. In: 13th International Conference Physics of Dielectrics, 2014, Saint Petersburg. Physics of Dielectrics (Dielectrics-2014), 2014. v. 2. p. 154-157.
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ASSAGRA, Y. A. O. ; GUTNIK, Y. ; ALTAFIM, R. A. P. ; CAVALCANTI, A. C. ; ALTAFIM, R. A. C. . Different piezoelectric structures applied to acoustic detection of impulse and corona partial discharges. In: 2013 IEEE Conference on Electrical Insulation and Dielectric Phenomena (CEIDP 2013), 2013, Chenzhen. 2013 Annual Report Conference on Electrical Insulation and Dielectric Phenomena. p. 1242-1245.
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ASSAGRA, Y. A. O. ; ALTAFIM, R. A. C. ; RESENDE, J. F. ; ALTAFIM, R. A. P. ; BASSO, H. C. ; LAHR, A. F. R. ; FERREIRA, O. P. . Novo compósito de madeira-geotêxtil-resina poliuretana para cruzetas de sistemas de distribuição de energia. In: IEEE/PES T&D Latin America, 2010, São Paulo. IEEE/PES T&D Latin America, 2010.