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Journal of applied research and technology
versión On-line ISSN 2448-6736versión impresa ISSN 1665-6423
Resumen
MANSOOR, Muhammad; ZILOHU, Ahnaf Usman; MUJAHID, Muhammad y KHAN, Shaheed. Wetting behavior and interfacial characteristic of eutectic In-Ag solders on Au thin films. J. appl. res. technol [online]. 2018, vol.16, n.3, pp.177-185. ISSN 2448-6736.
Soldering electrical contacts to gold thin films is a matter of consideration due to high soldering temperature, restricted wetting, excessive scavenging and low strength offered by most of the common soldering alloys. Indium alloys offer certain benefits for gold soldering justifying their increased cost. In the present study, hypo-, hyper- and eutectic In-Ag solder were prepared and investigated for compositional and structural homogeneity, soldering temperature, contact angle, spreading factor, scavenging zone and scavenging phase (i.e. Auln2). It was found that addition of silver (-3.5%) ameliorated the above mentioned characteristics for better control of soldering practice with gold thin films besides lowering the soldering temperature.
Palabras llave : In-Ag solders; lower soldering temperature; contact angle; spreading factor; scavenging zone; scavenging phase.