Sn-Ag-Cu-Bi
Melting and Joining Behavior of Sn/Ag and Sn Ag/Sn Bi Plating on Cu Core Ball
... fabricated Cu-core Sn–Ag solder balls by plating pure Sn and Ag onto Cu ...fabricated Cu- core, multicomponent Sn–Ag–Bi balls by sequentially coat- ...
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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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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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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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Microstructure and Strength of Sn Bi Coated Sn 3 5 mass%Ag Solder Alloy
... coated Sn-3.5 mass%Ag solder alloy was investigated as a possible low melting temperature ...form Sn-Bi coated solder alloy on the ...alloy. Sn-Bi coated solders were bumped on ...
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Shear Strength and Interfacial Compound of Sn Ag Bi In Alloy
... the Cu- and Ni- layer can be identified, and the Ni-layer appears as a gray line along the ...of Sn–Cu IMC’s and acts as a diffusion barrier against ...a Sn–Ni IMC such as Ni 3 Sn 4 , ...
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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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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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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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Impact Properties of Lead Free Sn Ag Cu Ni Ge Solder Joint with Cu Electrode
... types Sn-Ag-Cu-Ni-Ge solder balls were prepared and ...and Sn-3.5 mass%Ag-0.5 mass%Cu solder balls were also prepared for ...a Cu pad on an FR-4 substrate by reflow ...
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Formation Mechanism of Eutectic Cu6Sn5 and Ag3Sn after Growth of Primary β Sn in Sn Ag Cu Alloy
... of Ag before ternary eutectic solidification began is shown in ...rate, Cu segregation was clearly indicated at the solid/liquid interface of -Sn and the accumulation of Ag at the interface of ...
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Thermodynamic Study of Phase Equilibria in the Sn Ag Bi Zn Quaternary System
... separate Bi-Zn rich liquid, (Sn), (Bi), and (Zn) terminal solid solutions, and the ternary eutectic point exists very close to the Sn-Bi binary ...
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The Effects of Microstructure and Ag3Sn and Cu6Sn5 Intermetallics on the Electrochemical Behavior of Sn-Ag and Sn-Cu Solder Alloys
... the Sn-2Ag alloy sample has a slightly better electrochemical behavior than the ...that Ag additions to Sn increase the corrosion resistance when compared with similar Cu ...
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Microstructural Evolution of Sn 58Bi/Cu Joints through Minor Zn Alloying Substrate during Electromigration
... in Sn-58Bi joints, the existence of Zn in Cu substrate effectively postponed the formation of Sn hillocks of whiskers at the anode side and the depletions/voids at the cathode ...structure, ...
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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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Reactions in Electrodeposited Cu/Sn and Cu/Ni/Sn Nanoscale Multilayers for Interconnects
... into Cu-Sn based intermetallic compounds (IMCs) after ...to Cu-Sn-based ...of Cu/Sn/Cu/Sn/Cu or ...
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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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High Temperature Characterization of Binary and Ternary Bi Alloys Microalloyed with Cu and Ag
... The number of slip systems also in the Bi alloys increased with an increase in the temperature. In addition, the effect of the precipitates on the retardation of the migration of dislo- cations was different for ...
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Isothermal Fatigue Properties of Sn Ag Cu Alloy Evaluated by Micro Size Specimen
... of Sn–3.0Ag–0.5Cu and Sn–37Pb solder ...both Sn–Ag–Cu and Sn–Pb ...of Sn–3.0Ag–0.5Cu alloy was 10 times longer than that of Sn–37Pb alloy under symmetrical cycling ...
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