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收集所有交通大學研究人員與學生個人或團體所發表之各項學術著作,涵蓋期刊論文、教師專書、學位論文等項。;;Collections of Publications of NCTU Researchers and Students Like Journal Papers and Thesis.

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    Thin-film reactions during diffusion soldering of Cu/Ti/Si and Au/Cu/Al2O3 with Sn interlayers
    (2003-09-01)
    Liang, MW
    ;
    Hsieh, TE
    ;
    Chang, SY
    ;
    Chuang, TH
    ;
    材料科學與工程學系
    The multilayer thin-film systems of Cu/Ti/Si and Au/Cu/Al2O3 were diffusion-soldered at temperatures between 250degreesC and 400degreesC by inserting a Sn thin-film interlayer. Experimental results showed that a double layer of intermetallic compounds (IMCs) eta-(Cu0.99Au0.01)(6)Sn(5/)delta-(Au0.87Cu0.13)Sn was formed at the interface. Kinetics analyses revealed that the growth of intermetallics was diffusion-controlled. The activation energies as calculated from Arrhenius plots of the growth rate constants for (Cu0.99Au0.01)(6)Sn-5 and (Au0.87Cu0.13)Sn are 16.9 kJ/mol and 53.7 kJ/mol, respectively. Finally, a satisfactory tensile strength of 132 kg/cm(2) could be attained under the bonding condition of 300degreesC for 20 min.