T/CSTM 01769-2025 Measurement of in-plane thermal diffusivity of thermal conductive films -Flash method
T/CSTM 01769-2025 Measurement of in-plane thermal diffusivity of thermal conductive films -Flash method
Basic Information
Scope
This document specifies the terms and definitions, principles, instruments and main supporting equipment, reagents, sample requirements, instrument calibration, measurement uncertainty evaluation, and test reports for measuring the in-plane thermal diffusion coefficient of thermal conductive films using the flash method. This document is applicable to the measurement of the in-plane thermal diffusion coefficient of thin films with high directional thermal conductivity, with a thickness of (10~1000) μm. The measurement of the in-plane thermal diffusion coefficient of other thermal conductive films can be carried out with reference to this document. This document specifies the terms and definitions, principles, instruments and main supporting equipment, reagents, sample requirements, instrument calibration, measurement uncertainty evaluation, and test reports for measuring the in-plane thermal diffusion coefficient of thermal conductive films using the flash method. This document is applicable to the measurement of the in-plane thermal diffusion coefficient of thin films with high directional thermal conductivity, with a thickness of (10~1000) μm. The measurement of the in-plane thermal diffusion coefficient of other thermal conductive films can be carried out with reference to this document.