Relevant bibliographies by topics / Contactless conductivity measurement

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  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic 'Contactless conductivity measurement'

Author: Grafiati
Published: 3 June 2025
Last updated: 31 July 2025

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Journal articles on the topic "Contactless conductivity measurement"

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Bohuslávek, Zdeněk. "The measurement method of meat conductivity." Czech Journal of Food Sciences 36, No. 5 (2018): 372–77. http://dx.doi.org/10.17221/164/2018-cjfs.

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This paper analyses the properties of electrode methods and contactless inductive methods of the conductivity measurement of biological tissue, which are one of the few which are able to measure the potentials of corresponding components of complex conductivity, i.e. the real reactive conductivity of a resistive and an imaginary component. The analysis was performed by computer modelling and experimental measurements. The publication describes the modelling of currents and of the potential by electrode and methods on tissue phantoms using the finite element method. The Comsol Multiphysics v3.4
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Krupka, Jerzy. "Microwave Measurements of Electromagnetic Properties of Materials." Materials 14, no. 17 (2021): 5097. http://dx.doi.org/10.3390/ma14175097.

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A review of measurement methods of the basic electromagnetic parameters of materials at microwave frequencies is presented. Materials under study include dielectrics, semiconductors, conductors, superconductors, and ferrites. Measurement methods of the complex permittivity, the complex permeability tensor, and the complex conductivity and related parameters, such as resistivity, the sheet resistance, and the ferromagnetic linewidth are considered. For dielectrics and ferrites, the knowledge of their complex permittivity and the complex permeability at microwave frequencies is of practical inte
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Tang, Xiao-Yu, Junchao Huang, Haifeng Ji, Baoliang Wang, and Zhiyao Huang. "New Contactless Conductivity Detection (CCD) Sensor for Fluid Conductivity Measurement." IEEE Sensors Journal 20, no. 19 (2020): 11256–64. http://dx.doi.org/10.1109/jsen.2020.2998800.

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Ye, Ming, Xiao-Long Zhao, Wei-Da Li, Yu Zhou, Jia-Yi Chen, and Yong-Ning He. "Conductivity Extraction Using a 180 GHz Quasi-Optical Resonator for Conductive Thin Film Deposited on Conductive Substrate." Materials 13, no. 22 (2020): 5260. http://dx.doi.org/10.3390/ma13225260.

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Measurement of electrical conductivity of conductive thin film deposited on a conductive substrate is important and challenging. An effective conductivity model was constructed for a bilayer structure to extract thin film conductivity from the measured Q-factor of a quasi-optical resonator. As a demonstration, aluminium films with thickness of 100 nm were evaporated on four silicon wafers whose conductivity ranges from ~101 to ~105 S/m (thus, the proposed method can be verified for a substrate with a wide range of conductivity). Measurement results at ~180 GHz show that average conductivities
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Venugopal, Namitha, K. H. Abdul Nazer, Hrithik Krishnaraj, V. K. Chinnu, and Pankaj Sagar. "Non-Destructive Measurement of Electrical Conductivity in Thin-Film Nb coated Cu for SRF Cavities using Planar Eddy Current Sensors." IOP Conference Series: Materials Science and Engineering 1327, no. 1 (2025): 012216. https://doi.org/10.1088/1757-899x/1327/1/012216.

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Abstract A novel contactless method for measuring the electrical conductivity of thin-film niobium (Nb) superconductors is presented. The impedance of the planar eddy current sensors is measured with thin film Nb-coated targets and Cu-only targets. The difference in resistance ∆R is a function of the film’s conductivity. Experiments identified a distinct minimum in ∆R with and without the Nb film on copper (Cu) substrates across various frequencies. Conductivity was calculated using a theoretical model. The impedance of the planar eddy current sensors was measured at room and liquid nitrogen t
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Ju, Yang, YO Hirosawa, Masumi Saka, and Hiroyuki Abé. "Contactless Measurement of Thin Film Conductivity by a Microwave Compact Equipment." International Journal of Modern Physics B 17, no. 08n09 (2003): 1904–9. http://dx.doi.org/10.1142/s021797920301985x.

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A method for contactless measurement of the conductivity of thin conducting film was demonstrated. In order to apply the technique to on-line testing, a large standoff distance of 35 mm was obtained by using a reflector focusing sensor. The measurement was preformed by using a microwave compact equipment working at 94 GHz which was developed for decreasing the system cost. Indium Tin Oxide films having conductivity of 8.2 × 104 ~ 6.6 × 105 S/m on the glass substrates were used as the samples. Evaluation equation for determining the conductivity of Indium Tin Oxide films was generated.
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He, Yuchen, Qiang Huang, Yu He, et al. "A Low Excitation Working Frequency Capacitively Coupled Contactless Conductivity Detection (C4D) Sensor for Microfluidic Devices." Sensors 21, no. 19 (2021): 6381. http://dx.doi.org/10.3390/s21196381.

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In this work, a new capacitively coupled contactless conductivity detection (C4D) sensor for microfluidic devices is developed. By introducing an LC circuit, the working frequency of the new C4D sensor can be lowered by the adjustments of the inductor and the capacitance of the LC circuit. The limits of detection (LODs) of the new C4D sensor for conductivity/ion concentration measurement can be improved. Conductivity measurement experiments with KCl solutions were carried out in microfluidic devices (500 µm × 50 µm). The experimental results indicate that the developed C4D sensor can realize t
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Došlić, Marija, Damjan Pelc, and Miroslav Požek. "Contactless measurement of nonlinear conductivity in the radio-frequency range." Review of Scientific Instruments 85, no. 7 (2014): 073905. http://dx.doi.org/10.1063/1.4890557.

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Rohmfeld, S., Martin Hundhausen, and Lothar Ley. "Contactless Measurement of the Thermal Conductivity of Thin SiC Layers." Materials Science Forum 264-268 (February 1998): 657–60. http://dx.doi.org/10.4028/www.scientific.net/msf.264-268.657.

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Hao, H. Y., M. Neumann, C. Enss, and A. Fleischmann. "Contactless technique for thermal conductivity measurement at very low temperature." Review of Scientific Instruments 75, no. 8 (2004): 2718–25. http://dx.doi.org/10.1063/1.1777408.

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Dissertations / Theses on the topic "Contactless conductivity measurement"

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Colak, Evrim I. "An Improved Data Acquisition System For Contactless Conductivity Imaging." Master's thesis, METU, 2005. http://etd.lib.metu.edu.tr/upload/12606521/index.pdf.

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The previous data acquisiton system developed for the electrical impedance imaging via contactless measurements is improved to obtain measurements with a faster scanning speed of 0.15 sec/mm2. This system uses magnetic excitation to induce currents inside the body and measures the magnetic fields of the induced currents with an axial gradiometer. Gradiometer consists of two differentially connected 10000-turn coils with diameter of 30 mm and a transmitter coil of 100-turn coil of diameter 30 mm placed and magnetically coupled between them. Transmitter coil is driven by a sinusoidal current of
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Tsutsui, Yusuke. "Development of Contactless Conductivity Measurement System with Microwave Probe and Its Applications for Organic Semiconductors." Kyoto University, 2019. http://hdl.handle.net/2433/242530.

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Mašláň, Stanislav. "Měření vodivosti kapalin." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2011. http://www.nusl.cz/ntk/nusl-218938.

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The first part of thesis is theoretical and it is the introduction into conductometry. It defines the essential terms of this field as well as contact and contactless methods of measurement of fluid conductivity and also the influential parasitic phenomena and possibilities of their elimination. The second part is dealing with design of the contactless transformer conductivity probe. The characteristics of designed probe are verified in the practical part of the thesis. The final part of the thesis is dealing with measurement according to the defined points in the assignment. The characteristi
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Ozkan, Koray Ozdal. "Multi-frequency Electrical Conductivity Imaging Via Contactless Measurements." Master's thesis, METU, 2006. http://etd.lib.metu.edu.tr/upload/12607071/index.pdf.

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A multi-frequency data acquisition system is realized for subsurface conductivity imaging of biological tissues. The measurement procedures of the system at different frequencies are same. The only difference between the single frequency experiments and the multi-frequency experiments is the hardware, i.e. the sensor and the power amplifier used in the single frequency experiments was different than that were used in the multi-frequency experiments. To avoid confusion the measurement system with which the single frequency experiments were performed is named as prototype system and the measurem
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Shang, Tao. "Impedance Imaging and Measurements by Micro Probes in Aqueous Environments." BYU ScholarsArchive, 2010. https://scholarsarchive.byu.edu/etd/2236.

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The dissertation presented here describes two research projects that may, at first glance, seem unrelated. Their unifying principle is the measurement of electrical impedance for the detection and analysis of biological materials. Impedance measurements have long been employed and studied in scientific fields, and the dissertation begins with a summary of historical methodology, applications, and terminology. Utilizing impedance measurements for microscopic imaging is the driving motivation for Scanning Impedance Imaging (SII). This technique manifests the distribution of electrical impedance
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Chia-ChengTu and 杜嘉正. "Design, Fabrication and Measurement of Microfluidic Blood Chip Using Capacitively Coupled Contactless Conductivity Detection Method." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/59405074240106407401.

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碩士<br>國立成功大學<br>機械工程學系碩博士班<br>101<br>Because of the complex reaction path and various blood coagulation factors, the blood coagulation dection can be used in understanding the function of liver. But, the blood coagulation test is usually performed by a relatively large centrifuge in the laborary traditionally and unfavorable to clinical application. Lab on a chip is the kind of chip integrating the many processes into one chip in order to reduce the cost and time of production and experiment. In this study, we design the lab on a chip using in the blood coagulation detection in order to improv
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"MULTI-FREQUENCY ELECTRICAL CONDUCTIVITY IMAGING VIA CONTACTLESS MEASUREMENTS." Master's thesis, METU, 2006. http://etd.lib.metu.edu.tr/upload/12607071/index.pdf.

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Ling, Johannes Daniel [Verfasser]. "Entwicklung, Aufbau und Test eines kontaktfreien Messverfahrens zur Bestimmung der elektrischen Leitfähigkeit dichter Plasmen = Development, realization and test of a contactless measurement method for the determination of the electrical conductivity of dense plasmas / von Johannes Daniel Ling." 2011. http://d-nb.info/1011140551/34.

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Book chapters on the topic "Contactless conductivity measurement"

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Bakhtiyarov, Sayavur, and Ruel Overfelt. "Electrical Conductivity of Aluminum Alloy A2011." In Encyclopedia of Aluminum and Its Alloys. CRC Press, 2019. http://dx.doi.org/10.1201/9781351045636-140000251.

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A rotational, contactless inductive measurement technique has been used to determine the effect of pores and metallic insertions on the electrical resistivity of A2011 aluminum alloy at different temperatures. It is shown that the electrical resistivity increases with the total volume of pores and is also dependent on the pores locations and orientation. Additional energy losses were found on the contact surfaces between sample and insertions.
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Bakhtiyarov, Sayavur, and Ruel Overfelt. "Molten Aluminum: Inductive Technique for Electrical Conductivity Measurements." In Encyclopedia of Aluminum and Its Alloys. CRC Press, 2019. http://dx.doi.org/10.1201/9781351045636-140000326.

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A rotational, contactless inductive measurement technique has been used to determine the effect of pores and metallic insertions on the electrical resistivity of A2011 aluminum alloy at different temperatures. It is shown that the electrical resistivity increases with the total volume of pores and is also dependent on the pores locations and orientation. Additional energy losses were found on the contact surfaces between sample and insertions.
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Conference papers on the topic "Contactless conductivity measurement"

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Boege, P. "Improved conductivity-measurement of semiconductor epitaxial layers by means of the contactless microwave method." In International Conference on Millimeter and Submillimeter Waves and Applications 1994. SPIE, 1994. http://dx.doi.org/10.1117/12.2303271.

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Nakamura, Daisuke, Akihiko Ikeda, Yasuhiro H. Matsuda, and Shojiro Takeyama. "Contactless ultra-high frequency AC-conductivity measurement applicable to destructive magnets above 100 T." In 2018 16th International Conference on Megagauss Magnetic Field Generation and Related Topics (MEGAGAUSS). IEEE, 2018. http://dx.doi.org/10.1109/megagauss.2018.8722657.

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Loete, Florent, H. Makhloufi, Yann Le Bihan, and Denis Mencaraglia. "Contactless Conductivity Measurement for ITO Nanolayers on AsGa Substrats Over a Wide Frequency Range." In 2018 IEEE Sensors. IEEE, 2018. http://dx.doi.org/10.1109/icsens.2018.8589554.

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Boege, P., H. Schaefer, Shan-jia Xu, et al. "Improved conductivity measurement of semiconductor epitaxial layers by means of the contactless microwave method." In Millimeter and Submillimeter Waves and Applications: International Conference, edited by Mohammed N. Afsar. SPIE, 1994. http://dx.doi.org/10.1117/12.183059.

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Wang, Lei, Zhiyao Huang, Baoliang Wang, Haifeng Ji, and Haiqing Li. "Flow-pattern identification of gas-liquid two-phase flow based on capacitively coupled contactless conductivity detection." In 2011 IEEE International Instrumentation and Measurement Technology Conference (I2MTC). IEEE, 2011. http://dx.doi.org/10.1109/imtc.2011.5944085.

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Duran, Karolina-Petkovic, Yonggang Zhu, Chuanpin Chen, et al. "Hand-held analyser based on microchip electrophoresis with contactless conductivity detection for measurement of chemical warfare agent degradation products." In Smart Materials, Nano-and Micro-Smart Systems, edited by Dan V. Nicolau and Guy Metcalfe. SPIE, 2008. http://dx.doi.org/10.1117/12.810684.

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Welsch, E. "The determination of thermal properties of dielectric coatings by means of photothermal surface displacement technique." In OSA Annual Meeting. Optica Publishing Group, 1990. http://dx.doi.org/10.1364/oam.1990.thq2.

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Pulsed-laser-induced damage of optical thin films, in general are initiated by the absorption of laser radiation within the film bulk or at the interfaces between the film layers itself or the substrate. In the nanosecond pulse region, a heat flow analysis demonstrates the importance of thermophysical parameters of both the thin film host and the substrate. Especially, the thermal conductivity often shows, caused by thin film micro-structure, a deviating behavior, of instance anisotropy and compared to the bulk extremely low values.1-3 We demonstrate the ingluence of thermal properties on the
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Hashmi, Raheel M., and Supriya Pillai. "Contactless photo-conductivity measurements using time-resolved microwave conductivity." In 2019 International Conference on Electromagnetics in Advanced Applications (ICEAA). IEEE, 2019. http://dx.doi.org/10.1109/iceaa.2019.8879191.

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Sharma, Pankaj, J. S. Gomez-Diaz, Adrian M. Ionescu, and J. Perruisseau-Carrier. "Determination of minimum conductivity of graphene from contactless microwaves measurements." In 2012 IEEE 12th International Conference on Nanotechnology (IEEE-NANO). IEEE, 2012. http://dx.doi.org/10.1109/nano.2012.6322060.

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Ozkan, Koray Ozdal, and Nevzat G. Gencer. "Electrical conductivity imaging via contactless measurements: Data acquisition systems developed in METU Brain Research Laboratories." In 2009 14th National Biomedical Engineering Meeting. IEEE, 2009. http://dx.doi.org/10.1109/biyomut.2009.5130293.

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