Measurement of the thermal diffusivity of thin film on substrate by the photoacoustic method. (1st Report, examination of the method and measurement of metal thin foils)

Masanori Akabori, Shunsuke Miyagi, Yuji Nagasaka, Akira Nagashima

Research output: Contribution to journalArticle

Abstract

This paper reports the measurement of the thermal diffusivity of thin films on substrate by the photoacoustic method. In order to examine the method, we built a new apparatus and proposed (1) a system calibration procedure using thermally thick materials and (2) a data analysis procedure based on the Rosencwaig and Gersho theory (RG theory). As a result of using a transparent photoacoustic cell, the systematic error factors which were caused by stray light have been reduced. With this apparatus, measurements have been performed on platinum, titanium and stainless steel (SUS304) thin foils (thickness: 50-100 μm) with three different substrate materials (water, glycerol, and ethyl alcohol). The reproducibility was within ±7% regardless of the film thickness and substrate material.

Original languageEnglish
Pages (from-to)3184-3190
Number of pages7
JournalNippon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B
Volume57
Issue number541
Publication statusPublished - 1991 Sep
Externally publishedYes

Fingerprint

Photoacoustic effect
Thermal diffusivity
thermal diffusivity
Metal foil
foils
examination
Thin films
alcohols
Substrates
thin films
Metals
steels
metals
Stray light
Systematic errors
glycerols
Glycerol
systematic errors
Film thickness
Platinum

ASJC Scopus subject areas

  • Mechanical Engineering

Cite this

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abstract = "This paper reports the measurement of the thermal diffusivity of thin films on substrate by the photoacoustic method. In order to examine the method, we built a new apparatus and proposed (1) a system calibration procedure using thermally thick materials and (2) a data analysis procedure based on the Rosencwaig and Gersho theory (RG theory). As a result of using a transparent photoacoustic cell, the systematic error factors which were caused by stray light have been reduced. With this apparatus, measurements have been performed on platinum, titanium and stainless steel (SUS304) thin foils (thickness: 50-100 μm) with three different substrate materials (water, glycerol, and ethyl alcohol). The reproducibility was within ±7{\%} regardless of the film thickness and substrate material.",
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AU - Nagashima, Akira

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N2 - This paper reports the measurement of the thermal diffusivity of thin films on substrate by the photoacoustic method. In order to examine the method, we built a new apparatus and proposed (1) a system calibration procedure using thermally thick materials and (2) a data analysis procedure based on the Rosencwaig and Gersho theory (RG theory). As a result of using a transparent photoacoustic cell, the systematic error factors which were caused by stray light have been reduced. With this apparatus, measurements have been performed on platinum, titanium and stainless steel (SUS304) thin foils (thickness: 50-100 μm) with three different substrate materials (water, glycerol, and ethyl alcohol). The reproducibility was within ±7% regardless of the film thickness and substrate material.

AB - This paper reports the measurement of the thermal diffusivity of thin films on substrate by the photoacoustic method. In order to examine the method, we built a new apparatus and proposed (1) a system calibration procedure using thermally thick materials and (2) a data analysis procedure based on the Rosencwaig and Gersho theory (RG theory). As a result of using a transparent photoacoustic cell, the systematic error factors which were caused by stray light have been reduced. With this apparatus, measurements have been performed on platinum, titanium and stainless steel (SUS304) thin foils (thickness: 50-100 μm) with three different substrate materials (water, glycerol, and ethyl alcohol). The reproducibility was within ±7% regardless of the film thickness and substrate material.

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