Emissivity measurements on electronic microcircuits

Wałach, T.

doi:10.1016/j.measurement.2007.07.001

Cited by 23 publications

(8 citation statements)

References 8 publications

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“…In the last years, both experimental and analytical studies on the emittance measurement at low temperatures have been done and nowadays different approaches are possible [2,3,4]. Unfortunately many of these approaches are not applicable when working at high temperatures.…”

Section: Introductionmentioning

confidence: 99%

Pyrometric method for measuring emittances at high temperatures

Ballestrín¹,

Rodríguez²,

Carra³

et al. 2016

AIP Conference Proceedings

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Thermophysical properties and corrosion characterization of low cost lithium containing nitrate salts produced in northern Chile for thermal energy storage AIP Conference Proceedings 1734, 050014 (2016) Abstract. In this work an alternative method for emittance determination based on pyrometric measurements is presented. The measurement procedure has been applied to AISI 310S steel samples in the Plataforma Solar de Almería vertical axis solar furnace SF5. The experimental results show that emittance increases with increasing temperature and decreases with increasing wavelength. This behaviour is in agreement with experimental results obtained by other authors. Analysis of tests has revealed a good repeatability (1%) and accuracy (< 2%) of this measurement procedure.

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Section: Introductionmentioning

confidence: 99%

Pyrometric method for measuring emittances at high temperatures

Ballestrín¹,

Rodríguez²,

Carra³

et al. 2016

AIP Conference Proceedings

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“…This conventional emissivity measurement method [3][4] consists of recording thermal images when the sample is heated uniformly to a known temperature T2. The T1 temperature is the ambient temperature.…”

Section: Emissivity Measurement Methodsmentioning

confidence: 99%

Chip emissivity mapping for blue and white light emitting diodes

Belfio¹,

Veneau²,

Fudym³

2014

Proceedings of the 2014 International Conference on Quantitative InfraRed Thermography

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In order to measure the temperature distribution at the chip surface of blue and white light-emitting diodes, we used two temperature conventional emissivity measurement method, which consists in processing the thermographic signal for two uniform controlled temperatures T1 and T2. In this study, we report the evolution of emissivity with increasing temperature between 20°C and 80°C from to the ambient temperature, about 20°C.

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“…Emissivity coefficient ε, which is the most important parameter in reference to radiation temperature measurement, is strongly connected with the surface properties of the tested object, especially with its surface roughness. The studies on the impact of the surface parameters on emissivity were carried out by Majchrowski, Różański, Grochalski [22] as well as Da Wen and Mudawar [23]. Emissivity (ε) decreases rapidly along with the increasing reflectivity of surface.…”

Section: Determination Of Emissivity Properties Of Tested Materialsmentioning

confidence: 99%

Temperature Measurement of Modern Cutting Tools During Turning

Grochalski¹,

Jabłoński²,

Talar³

et al. 2020

Adv. Sci. Technol. Res. J.

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The study presents the influence of the anti-wear coatings and the type of material from which the cutting tools are made of on the cutting temperature occurring on the tool. The cutting tools made of boron nitride and tungsten carbide composite were investigated. The methodology of measuring the cutting temperature using the thermoelement and thermovision techniques was presented. The results of the temperature measurements occurring on the cutting tool in the cutting zone were compared. The paper also presents a method of determining the effective emissivity of the tested tools, necessary for the correct temperature measurement using the non-contact method. The obtained data were interpreted and the relationships described, and then the results obtained were discussed.

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Emissivity measurements on electronic microcircuits

Cited by 23 publications

References 8 publications

Pyrometric method for measuring emittances at high temperatures

Pyrometric method for measuring emittances at high temperatures

Chip emissivity mapping for blue and white light emitting diodes

Temperature Measurement of Modern Cutting Tools During Turning

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