Sn-Ag-Bi-Cu
Wettability of Sn Zn, Sn Ag Cu and Sn Bi Cu Alloys on Copper Substrates
... eutectic Sn Pb solder alloys are gradually being replaced by lead-free solder alloys because of the toxicity of ...several Sn-based alloys on a Cu substrate reported in the ...lead-free ...
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Shear Strength and Interfacial Compound of Sn Ag Bi In Alloy
... solders, Sn–Ag–Cu alloy has been the most popular candidate and generally recognized as a substitute for lead containing ...the Sn–Ag– Cu ...
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IMC Growth and Shear Strength of Sn Ag Bi In/Au/Ni/Cu BGA Joints During Aging
... between Sn-3Ag-6Bi-2In ball-grid-array (BGA) solder and Au/Ni/ Cu substrate by solid-state isothermal aging were examined at temperatures between 343 and 443 K for 0 to 100 ...the ...
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Properties of Solder Joints Using Sn Ag Bi In Solder
... Sn-3.5Ag-0.5Bi-3In, Sn-3Ag-2.5Bi-2.5In, Sn-3.5Ag-0.5Bi-8In, and Sn-8Zn-3Bi, with Sn-37Pb used as the reference solder(all compositions are expressed in mass ...with ...
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Interfacial Reactions Between Sn 58 mass%Bi Eutectic Solder and (Cu, Electroless Ni P/Cu) Substrate
... alloys, Sn–Pb solders are most widely used for the electronic ...as Sn–Bi, Sn–Ag, Sn–Zn alloys, have been considered to replace Sn– Pb ...1–3) Sn–Bi, ...
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Microstructure and Strength of Sn Bi Coated Sn 3 5 mass%Ag Solder Alloy
... the plating time of 2.5, 5, and 10 minutes to observe the effects of the Sn-Bi thickness on the shear strength. The electroplated solder balls were placed on the substrate, and were air-reflowed at 473, 493, ...
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Effect of Zn Addition on Interfacial Reactions Between Sn Bi Solder and Cu Substrate
... eutectic Sn-Bi and Sn-Bi-Zn solder joints during operation, the reflowed samples were subjected to thermal ag- ing and the cross-sectional images of the interfaces after ag- ing ...
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The Role of Silver Additions in Formation of Sn Bi Ag Semiconductor Alloys by Rapid Solidification
... were Sn, Bi, fragments and Ag wires, the starting purity were better than ...alloys Sn-5Bi-xAg ( x = 0, 1, 2, 3, and 4 in at %) were produced by a single copper roller (200 mm in diameter) ...
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Sn Ag Based Solders Bonded to Ni P/Au Plating: Effects of Interfacial Structure on Joint Strength
... eutectic Sn-Pb solder, which is commonly used, is environ- mentally harmful and can potentially affect human ...eutectic Sn-Pb solder are the Sn-Ag based ...eutectic Sn-Pb ...the ...
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Melting and Joining Behavior of Sn/Ag and Sn Ag/Sn Bi Plating on Cu Core Ball
... plated Cu pads as a function of heat exposure time at 423 ...using Cu-core solder balls exhibited shear strength comparable to that of previously alloyed solder ...
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Flip Chip Bump Formation of Sn 1 8Bi 0 8Cu 0 6In Solder by Stencil Printing
... investigated. Sn–3.5%Ag, Sn–37%Pb and Sn–36%Pb–2%Ag were selected as references for the ...and Cu, and 20 nm of Au from bottom to top of the metallization, ...of ...
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Quantitative Explanation for Uphill Diffusion of Sn during Reactive Diffusion between Cu–Sn Alloys and Nb
... ternary Cu–Nb–Sn system were theoretically analyzed using a thermodynamic model for phases with different ...of Cu + Nb + Nb 3 Sn appears at an activity of ...
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Reactions in Electrodeposited Cu/Sn and Cu/Ni/Sn Nanoscale Multilayers for Interconnects
... between Cu and Sn ...between Cu and Sn prior to ...reflow, Cu-Sn IMCs alloyed with Ni which are expected to lead to better mechanical properties and hence improved reliability of ...
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High Temperature Characterization of Binary and Ternary Bi Alloys Microalloyed with Cu and Ag
... the Bi-0.15/0.5Cu and Bi- 5.0Ag alloys and pure Bi after the tensile tests at 423 K are shown in ...pure Bi sample has a wavy fracture surface with undeveloped voids; however, the decrease in ...
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Thermodynamics Aided Alloy Design and Evaluation of Pb free Solders for High Temperature Applications
... as-cast Sn–5Sb and Sn–10Sb alloys. While the β - Sn matrix was observed without a secondary phase in Sn– 5Sb, the distribution of secondary particles was observed in ...as-cast Sn–5Sb ...
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Undercooling, Microstructures and Hardness of Sn Rich Pb Free Solders on Cu xZn Alloy Under Bump Metallurgies
... three Sn-rich solders depends on the type of UBMs (Cu ...vs. Cu-xZn). The reaction with Cu UBMs led to a decrease in the hardness of the Sn-rich ...bulk Sn-0.7Cu, but 11.2 for ...
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Isothermal Fatigue Properties of Sn Ag Cu Alloy Evaluated by Micro Size Specimen
... 3.3.1 Damage mechanism of Sn–3.0Ag–0.5Cu alloy Figure 10 shows surface morphology and cross-sectional optical micrograph near crack initiation site for Sn–3.0Ag– 0.5Cu alloy subjected to the total strain ...
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Effect of Sn Addition on the Mechanical and Electrical Properties of Cu 15%Cr In Situ Composites
... 0.1%Sn and 15C5S means Cu–15%Cr–0.5%Sn. Reference alloys are called as 15Cr(Cu–15%Cr). The procedure for the sample preparation was schematically shown in Fig. 1. The ingots were hot-forged at ...
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Effect of Cu Addition to Sn Ag Lead Free Solder on Interfacial Stability with Fe 42Ni
... the Cu-Ni-Sn compound as a subsequent work because some unexpected factors such as electron shower beam can influence the EDS quantitative ...the Sn- ...
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Effect of Surface Contamination on Solid State Bondability of Sn Ag Cu Bumps in Ambient Air
... In contrast to the conventional reflow soldering process, an approach of solid-state bonding is proposed to accomplish the low-temperature low-cost fluxless bonding for Sn-Ag-Cu bumps. However, little ...
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