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dc.contributor.author설원제-
dc.date.accessioned2018-03-19T00:15:04Z-
dc.date.available2018-03-19T00:15:04Z-
dc.date.issued2016-04-
dc.identifier.citationSENSORS, v. 16, NO 4, Page. 511-511en_US
dc.identifier.issn1424-8220-
dc.identifier.urihttp://www.mdpi.com/1424-8220/16/4/511-
dc.identifier.urihttp://hdl.handle.net/20.500.11754/48473-
dc.description.abstractIn this article, we report on a novel diaphragm-type tactile pressure sensor that produces stepwise output currents depending on varying low contact pressures. When contact pressures are applied to the stepped output tactile sensor (SOTS), the sensor's suspended diaphragm makes contact with the substrate, which completes a circuit by connecting resistive current paths. Then the contact area, and therefore the number of current paths, would determine the stepped output current produced. This mechanism allows SOTS to have high signal-to-noise ratio (˃20 dB) in the 3-500 Hz frequency range at contact pressures below 15 kPa. Moreover, since the sensor's operation does not depend on a material's pressure-dependent electrical properties, the SOTS is able to demonstrate high reproducibility and reliability. By forming a 4 x 4 array of SOTS with a surface bump structure, we demonstrated shear sensing as well as surface (1 x 1 cm(2)) pressure mapping capabilities.en_US
dc.description.sponsorshipThis research was supported by the Basic Science Research Program (2012R1A6A1029029 & 2014R1A1A2053599) through the National Research Foundation of Korea (NRF) funded by the Ministry of Science, ICT & Future Planning and partly by the Nano Material Technology Development Program (2012M3A7B4035198 & 2012M3A7B4035201) through NRF funded by the Ministry of Education.en_US
dc.language.isoenen_US
dc.publisherMDPI AGen_US
dc.subjecttactile sensoren_US
dc.subjecttactile sensor arrayen_US
dc.subjectspatially digitized electrodeen_US
dc.subjectstepped output characteristicsen_US
dc.titleContact Pressure Level Indication Using Stepped Output Tactile Sensorsen_US
dc.typeArticleen_US
dc.relation.no4-
dc.relation.volume16-
dc.identifier.doi10.3390/s16040511-
dc.relation.page511-511-
dc.relation.journalSENSORS-
dc.contributor.googleauthorChoi, Eunsuk-
dc.contributor.googleauthorSul, Onejae-
dc.contributor.googleauthorKim, Juyoung-
dc.contributor.googleauthorKim, Kyumin-
dc.contributor.googleauthorKim, Jong-Seok-
dc.contributor.googleauthorKwon, Dae-Yong-
dc.contributor.googleauthorChoi, Byong-Deok-
dc.contributor.googleauthorLee, Seung-Beck-
dc.relation.code2016007221-
dc.sector.campusS-
dc.sector.daehakRESEARCH INSTITUTE[S]-
dc.sector.departmentINSTITUTE OF NANO SCIENCE AND TECHNOLOGY-
dc.identifier.pidojsul-


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