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In this paper, Ni-coated graphene nanosheets (GNS-Ni) were synthesized by an in situ chemical reduction method. Such GNS-Ni sheets, by varying their weight fractions (0.05, 0.1 and 0.2wt.%) were successfully incorporated into the SAC305 solder matrix to fabricate composite solders through the powder metallurgy processing method. The samples of composite solders were then investigated in terms of their...
NiCu is one of the widely used thin-film materials, which is now commonly used as sensor and resistor in very-large-scale-integration (VLSI) because of its high resistivity and stability. However, with the scale decreasing and the temperature increasing in service condition, the limited reliability of NiCu thin-film material has been a key issue in microelectronics and packaging industry mainly due...
In this paper, Ni-coated graphene nanosheets (GNS-Ni) were synthesized by an in situ chemical reduction method. Such GNS-Ni sheets, by varying their weight fractions (0.05, 0.1 and 0.2wt.%) were successfully incorporated into the SAC305 solder matrix to fabricate composite solders through the powder metallurgy processing method. The samples of composite solders were then investigated in terms of their...
NiCu is one of the widely used thin-film materials, which is now commonly used as sensor and resistor in very-large-scale-integration (VLSI) because of its high resistivity and stability. However, with the scale decreasing and the temperature increasing in service condition, the limited reliability of NiCu thin-film material has been a key issue in microelectronics and packaging industry mainly due...
In present paper, the effect of miniaturization on the microstructure and mechanical property of solder joints is investigated. With the miniaturization of solder joints, the thickness of IMC decreases, while, the IMC proportion to the solder joint increases; meanwhile, the concentrations of base materials in the bulk also increase with the reducing stand-off height (SOH). Due to the interaction of...
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