Sn-Ag solder bump
Effect of Corrosion on Mechanical Reliability of Sn Ag Flip Chip Solder Joint
... cross-sectional bump structure used in this study. Sn-2.3Ag (in mass%) solder formed by electroplating are utilized as an interconnect mate- rial in flip chip ...under bump metallization (UBM) ...
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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 ...
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Thermodynamics Aided Alloy Design and Evaluation of Pb free Solders for High Temperature Applications
... the Sn–3.5Ag solder is used in the next level packaging, the required melting temperature for step soldering is between 255 to 320 ◦ ...10, Sn–5Sb and Sn–10Sb are not suitable for high ...
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Low Cycle Fatigue Properties of Ni added Low Silver Content Sn Ag Cu Flip Chip Interconnects
... mass%Ag solder alloy was longer than that of other alloys ...the Sn- Ag-Cu flip-chip bump for wide ...content Sn-Ag-Cu alloys remains to be further investigated from the ...
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Effect of Ni or Co Addition to Sn Ag Solder on Microstructure and Joint Strength at Interface
... binary Sn-3.5 mass%Ag solder was used as the basic solder and ...and Sn-3.5 mass%Ag-0.3 mass%Co were specially prepared as the solder added minor ...and bump pull ...
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Flip Chip Bump Formation of Sn 1 8Bi 0 8Cu 0 6In Solder by Stencil Printing
... of solder paste, ...investigated. Sn–3.5%Ag, Sn–37%Pb and Sn–36%Pb–2%Ag were selected as references for the ...The solder pastes were printed on the under bump ...
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Effect of Under Bump Metallurgy and Reflows on Shear Strength and Microstructure of Joint between Cu Substrate and Sn 36Pb 2Ag Solder Alloy
... and solder joint strength was studied for the solder joints on Cu/Ni/Ag ...the solder joint with different soldering temperature profiles 1 and 2 of ...the solder ball shear strength with ...
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Intermetallic Compound Formation and Growth Kinetics in Flip Chip Joints Using Sn 3 0Ag 0 5Cu Solder and Ni P under Bump Metallurgy
... the Sn–Ag–Cu solders for the replacement of Sn–Pb ...in Sn–Ag–Cu solder joints is faster than that in eutectic Sn–37Pb solder joints due to their higher reflow ...
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Phase formation between lead-free Sn Ag Cu solder and Ni P /Au finishes
... near-eutectic Sn– Ag– Cu solder with Ni 共 P 兲 / Au metal finishes on printed wiring boards as well as in component under bump metallizations have been investigated in this ...6 Sn 5 ...
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Aging Treatment Characteristics of Shear Strength in Micro Solder Bump
... of ag- ing. This means that shear failure occurred inside of the solder not at the UBM multi-layer, which, in turn, suggests that the joint connecting the solder and the UBM was ...of Sn– 37 ...
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IMC Growth of Solid State Reaction between Ni UBM and Sn 3Ag 0 5Cu and Sn 3 5Ag Solder Bump Using Ball Place Bumping Method during Aging
... of Sn–37Pb solder, such voids were not observed despite the formation of about 10-mm thick ...UMB/high Sn solder joints, and were first observed in this ...solders, Sn– ...large ...
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Electrical Characteristics for Sn-Ag-Cu Solder Bump with Ti/Ni/Cu Under-Bump Metallization after Temperature Cycling Tests
... the solder ball and UBM was measured with an SEM nanoprobing system (S100, Zyvex, Richardson, Texas) equipped with a cold field emission SEM (FEI-XL-30, Philips, Mahwah, ...the solder ball and ...
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Fluxless Sn 3 5 mass%Ag Solder Bump Flip Chip Bonding by Ultrasonic Wave
... to solder bump flip chip bonding as a fluxless bonding ...eutectic Sn–Pb solder (183 ◦ ...eutectic Sn–Pb ...to solder flip chip devices sensitive to high operation temperature ...
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Metallurgy and Kinetics of Liquid Solid Interfacial Reaction during Lead Free Soldering
... The wetting of a molten solder on metallic surfaces is a rather complex phenomenon. In addition to physical spreading due to surface tension reduction, there are interfacial metallurgical and flux chemical ...
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Isothermal Fatigue Properties of Sn Ag Cu Alloy Evaluated by Micro Size Specimen
... of Sn–37Pb alloy at 289 and 398 K. All data for Sn–37Pb also obeyed Manson–Coffin’s law, and the exponent is about ...to Sn– 3.0Ag–0.5Cu alloy. The life of Sn–37Pb is also very sensitive to ...
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Effect of Cu Addition to Sn Ag Lead Free Solder on Interfacial Stability with Fe 42Ni
... into solder liquid. In contrast, slow diffusion contributes to the formation of the first reaction layer and small reaction particles attaching on to the first reaction layers. Although such double reaction layers ...
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Interfacial Reaction between Sn Ag Co Solder and Metals
... lead-free solder such as the microstructure, mechanical properties and interfacial reactions are in ...on Sn–Ag and Sn–Ag–Cu system solders has been carried out, and interfacial ...
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Influence of Shear Height on Shear Strength of Tin Lead Solder Ball Bonding
... Solder balls used in this study were Sn–37 mass%Pb (de- scribed 37Pb later) and Sn–36 mass%Pb–2 mass%Ag (de- scribed 36Pb2Ag later) supplied by Nittetsu Micro Metal Co. The diameter of both ...
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Solderability of Sn-0.7Cu-0.05Ni-xZn Solder Ball on Sn-0.7Cu and Sn- 0.7Cu-0.05Ni Solder Coating
... then cross sectioned and observed the IMC of solder coating. The interfacial IMC thickness were then measured by using J-Image software. The solderability testing were performed by using wetting balance machine in ...
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The Microstructure, Thermal Fatigue, and Failure Analysis of Near Ternary Eutectic Sn Ag Cu Solder Joints
... BGA solder joints To investigate the changes in mechanical properties of BGA solder joints, microhardness measurements were performed on the cross-sections of thermal-cycled ...of solder joints at a ...
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