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This paper describes novel glass micropipette thermal sensor fabricated in a cost-effective manner and thermal conductivity measurement of carbon nanotubes (CNT) thin film using the developed sensor. Various micrometer-sized sensors, which range from 2 µm to 30 µm, were produced and tested. The capability of the sensor in measuring thermal fluctuation at micro level with an accuracy of ±0.01°C is...
A DC/DC converter is an electronic circuit which converts a source of direct current (DC) from one voltage level to another. Military applications require electronics that withstand low temperature and impact. This paper presents the low temperature evaluation of the commercial DC/DC converters, identification of the problem with them, suggestion of a method to overcome it, and the low temperature...
We present herein a novel technique for the fabrication of a glass micropipette thermal sensor utilizing inexpensive thermocouple materials and we are capable of measuring thermal fluctuation with accuracy of ±0.002 degree Celsius. We produced and tested various sensors in the sensing tip size, which ranges from 5 μm to 30 μm. The sensors comprise unleaded low melting...
Graphene is a two-dimensional monolayer comprised of carbon atoms. By its unique intrinsic properties, graphene has many advantages for gas sensing. In this paper, we find results of the gas sensing performance using uniform single crystal structure graphene by mechanical exfoliation method measured under room temperature, atmospheric pressure. Also, we discuss the effects of various thermal treatments...
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