Abstract
The effect of temperature and hygrothermal aging on the tensile properties of three types of anisotropic conductive films (ACFs) with different conductive particle percentages (4.69 vol.%, 6.14 vol.%, and 8.07 vol.%) are experimentally studied. Glass-transition temperatures of the three types of ACF are measured using a dynamic mechanical analyzer (DMA). The effect of the volume fraction of particles on the tensile properties is discussed. An increase in the volume fraction of the conductive particles enhances the Young’s modulus to some extent, but reduces the tensile strength. It is also investigated how hygrothermal aging impacts the tensile properties of ACFs at temperatures of 40°C, 80°C, and 120°C after aging times of 200 h and 1000 h. It is found that the mechanical properties of the ACFs basically decline with the hygrothermal aging time.
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