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학술지 Versatile Epoxy/Phenoxy/Anhydride-Based Hybrid Adhesive Films for Deoxidization and Electrical Interconnection
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장건수, 엄용성, 최광성, 배현철
Industrial & Engineering Chemistry Research, v.57 no.21, pp.7181-7187
American Chemical Society(ACS)
We manufactured a hybrid adhesive film capable of curable deoxidization by combining thermoplastics and thermosets. The generated acidic moieties on this hybrid adhesive film completely removed the oxide layer of various Sn-based metal solders and Cu, leading to electrical interconnection. The chemical structure, reaction rate, and glass transition temperature (Tg) of the films were examined via Fourier transform infrared spectroscopy and differential scanning calorimetry. The initial reaction rate of the hybrid deoxidizing adhesive films increased with increasing concentration of anhydride and phenoxy resin. Meanwhile, the reaction rate at the end for curing completion decreased as a function of anhydride and phenoxy resin. Tg of the films decreased with the increase in anhydride and phenoxy resin concentrations. The fabricated film resulted in complete wetting of the solder/Cu for electrical interconnection between semiconductor chips as a promising electronic application. This hybrid film can be useful for various applications requiring deoxidization and adhesion.
KSP 제안 키워드
Adhesive films, Complete wetting, Differential scanning calorimetry(photo-DSC), Fourier Transform Infrared Spectroscopy(FTIR), Glass transition temperature, Hybrid adhesive, Hybrid films, Infrared spectroscopy(FT-IR in real time), Initial reaction rate, Oxide layer, Scanning calorimetry(DSC)