Spin-coated polyimide films show higher cross-plane thermal conductivity and lower anisotropy than suspended films, attributed to molecular orientation and substrate interactions.
≈0.25 W m#$ K#$ for films 2-2.5 µm thick. Notably, 𝑘
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Anisotropic Thermal Characterization of Suspended and Spin-Coated Polyimide Films Using a Square-Pulsed Source Method
Spin-coated polyimide films show higher cross-plane thermal conductivity and lower anisotropy than suspended films, attributed to molecular orientation and substrate interactions.