Evaluation of thickness‐dependent temperature coefficient in a thin film thermocouple and its in vivo test using a porcine model

IF 1.7 4区化学 Q3 CHEMISTRY, MULTIDISCIPLINARY Journal of Inclusion Phenomena and Macrocyclic Chemistry Pub Date : 2021-04-26 DOI:10.1007/s10847-021-01067-5

Yangkyu Park, Dong Gil Shin, Jeong Zoo Lee, Hyeon Woo Kim, Seungwan Seo

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引用次数: 4

Abstract

A micromachined thin film thermocouple (TFTC), that is, a contact-type temperature sensor, was fabricated to diagnose the physiological state. The TFTC involved two metal films (copper and constantan) with considerably different Seebeck coefficients. Six types of TFTCs with different film thickness values were fabricated and experimentally characterized to determine the thickness-dependent temperature coefficient attesting to a high sensitivity of the sensors. The performance of each TFTC was evaluated by measuring the induced thermal electric motive force and temperature in the temporal and spatial domains by using a data acquisition board and an infrared camera, respectively. Moreover, an in vivo experiment of the proposed TFTC with the highest temperature coefficient (38.9 µV/°C) was conducted by measuring the body temperature difference of an anesthetized porcine model during its euthanasia process to evaluate the device performance.

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薄膜热电偶中厚度相关温度系数的评估及其在猪模型中的体内测试

制作了一种微机械薄膜热电偶(TFTC)，即接触式温度传感器，用于生理状态诊断。TFTC涉及两种塞贝克系数差异很大的金属薄膜(铜和康铜)。制备了6种不同薄膜厚度的TFTCs，并对其进行了实验表征，确定了厚度相关的温度系数，证明了传感器的高灵敏度。利用数据采集板和红外摄像机分别测量了各TFTC的感应热电动势和温度在时间和空间域的性能。此外，通过测量猪麻醉模型在安乐死过程中的体温差异，对所提出的温度系数最高(38.9µV/°C)的TFTC进行了体内实验，以评估该装置的性能。

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来源期刊

Journal of Inclusion Phenomena and Macrocyclic Chemistry Agricultural and Biological Sciences-Food Science

CiteScore

4.10

自引率

8.70%

发文量

期刊介绍： The Journal of Inclusion Phenomena and Macrocyclic Chemistry is the premier interdisciplinary publication reporting on original research into all aspects of host-guest systems. Examples of specific areas of interest are: the preparation and characterization of new hosts and new host-guest systems, especially those involving macrocyclic ligands; crystallographic, spectroscopic, thermodynamic and theoretical studies; applications in chromatography and inclusion polymerization; enzyme modelling; molecular recognition and catalysis by inclusion compounds; intercalates in biological and non-biological systems, cyclodextrin complexes and their applications in the agriculture, flavoring, food and pharmaceutical industries; synthesis, characterization and applications of zeolites. The journal publishes primarily reports of original research and preliminary communications, provided the latter represent a significant advance in the understanding of inclusion science. Critical reviews dealing with recent advances in the field are a periodic feature of the journal.