surface finishes
Interfacial reactions during soldering of Sn-Ag-Cu lead free solders on immersion silver and electroless nickel/ immersion gold surface finishes
... In the on-going trend towards miniaturization in the electronics packaging industry, the increasing popularity of ultra fine line technologies has brought into question the physical aspects of pad topography and ...
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Effect of Surface Finishes on Ball Shear Strength in BGA Joints with Sn 3 5 mass%Ag Solder
... Figure 1 shows the variation of shear strength of the sol- der balls with the time and temperature, and various types of BGA pad surface finishes (bare Cu, electroless Ni–P/Cu and immersion Au/electroless ...
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Thermal cyclic test for Sn 4Ag 0 5Cu solders on high P Ni/Au and Ni/Pd/Au surface finishes
... thermal cycles for Ni/Au. This changes promotes the formation of cracks at the solder joint because of the different mechanical properties between Ni-Sn based intermetallic and Cu-Sn intermetallics. However, for the ...
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Comparison between SAC405 lead free solders and EN(P)EPIG and EN(B)EPIG surface finishes
... commercial surface finish is the ...available surface finishes, and ENEPIG has again come under close scrutiny as the industry evaluated its capabilities using Pb-free assembly conditions ...
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Electrostatic Charge Generation and Dissipation on Woven Fabrics Treated with Antistatic and Hydrophilic Surface Finishes.
... a surface means cleaning it from all the ...clean surface, free from any ...the surface. Adsorption is a surface mechanism which is completely different from ...various finishes during ...
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Quantitative characterisation of surface finishes on stainless steel sheet using 3D surface topography analysis
... a surface signal into the scale-space, without an assessment of frequency content of the original ...the surface topography can be interrogated via a flexible transmission bank according to intended ...
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Board Level Drop Reliability of Epoxy Containing Sn 58 mass% Bi Solder Joints with Various Surface Finishes
... of surface fi nish and the number of re fl ow processes (one, three, or fi ve) on the drop reliability of the Sn-58Bi joints were ...of surface finishes were used including electroless nickel immersion gold ...
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First-place finish : imparting fine surface finishes when micromilling
... for surface finish improvement in micromilling, but speculates that it may have “something to do with the milling tool interacting with a larger number of grain boundaries and a higher frequency vibration caused ...
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Effect of Residual Stress on the Corrosion Behavior of Austenitic Stainless Steel
... by surface finishing and/or heat treatments, and this affects the fatigue life and resistance to stress corrosion cracking [1] ...Several surface finishes such as a polisher and grinder are used for ...
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Effect of Surface Modification on Candidate Alloys for Canadian SCWR Fuel Cladding
... SCW, surface preparations that gave a strain-free surface re- sulted in maximum general corrosion while the surface finishes that resulted in severe cold-work reduced gen- eral ...environment ...
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Evaluation of Repellent Finishes Applied By Atmospheric Plasma
... manufacturability hurdle of low pressure plasmas by offering a continuous process. In order to use atmospheric plasma for complex surface finishes, complex chemicals must survive transport through the ...
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Development of Ferromagnetic Metallic Glasses into Low Loss Power Transformer Cores
... Although the range of material properties, casting techniques and surface finishes between ferromagnetic metallic glass cores does vary, the idea of an optimal thickness, its logarithmic[r] ...
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Effects of Metal Surface Conditions on Interfacial Characteristics between Metal and Epoxy Resin
... metal surface conditions on the surface processing and clarified the effect of different metal surface finishes on the bonding strength and thermal ...metal surface finishes on ...
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Durability of fluoropolymer and antibacterial finishes on woven surgical gown fabrics
... antibacterial finishes were used to find the level of finishes required for different AAMI protection levels along with their durability using standard laundering ...
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Review Study on Antimicrobial Finishes on Textiles – Plant Extracts and their Application
... textile finishes, finding their application in healthcare ...antimicrobial finishes for commercial purposes is also a challenging ...other finishes and dyes [4] ...antimicrobial finishes is ...
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Co-Presence of Durable Flame Retardant and Repellent Nano-Finishes.
... high surface hydroxyl content, and high specific surface ...fabric surface, but also provides bonding sites for the multi-functional silanes in the ...fabric surface, multi-functional silanes, ...
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Stain Repellent-Antimicrobial Textiles via Atmospheric Plasma Finishes
... Atmospheric plasmas can be come in many different forms, such as atmospheric pressure glow discharge (APGD) (Figure 2), atmospheric pressure non-equilibrium plasma (APNEP), and atmospheric pressure plasma jets (APPJ) ...
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Flame Retardant Issues and Environmental Issues
... formaldehyde-based finishes such as Pyrovatex® CP and its analogues, gaseous exhausts from the drying and curing stages must pass through scrubbers before release into the ...formaldehyde finishes and ...
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Performance Evaluation of Cladding Stone in Buildings and Urban Works
... The spots can be distributed across the surface of the plates and in the surroundings of the joints. This case is compounded by the percolation of water cleaning, or rainwater, which leaching the mortar of ...
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C. Resource production
... and finishes production at time “b” and the premix is transferred to main-mix process at time ...and finishes at time “d” and transfers to main-mix process at time ...
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