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For beyond 7 nm node BEOL, line resistance (R) is assessed among four metallization schemes: Ru; Co; Cu with TaN/Ru barrier, and Cu with through-cobalt self-forming barrier (tCoSFB) [1]. Line-R vs. linewidth of Cu fine wires with TaN/Ru barrier crosses over with barrier-less Ru and Co wires for beyond-7 nm node dimensions, whereas Cu with tCoSFB remains competitive, with the lowest line R for 7 nm...
In this study, adopting a dynamic mechanical analyzer (DMA Q800, TA-Instruments), the mechanical properties and fracture behaviors of “copper wire/Sn-3.0Ag-0.5Cu solder/copper wire” sandwich structured microscale solder joints with a constant diameter of 400 μm and a height of 125–325 μm were investigated under two different quasi-static loading modes (i.e., tensile loading and shear loading) at 100...
Four coils made of YBCO-coated conductor wire were fabricated and connected in series to make up the excitation system of a linear synchronous motor system with a stator made of ordinary copper wire. The electromagnetic forces experienced by the superconducting coils with respect to the stator were studied in the static case. We began with the study of one single coil, followed by two coils connected...
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