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Meeting 2024 TMS Annual Meeting & Exhibition
Symposium Electronic Packaging and Interconnection Materials
Presentation Title Phase Formation and Transformation Behavior in Rapidly Solidified Ag-Si Alloys
Author(s) Yicheng Zhang, Koji S. Nakayama, Chuantong Chen, Minoru Ueshima, Katsuaki Suganuma
On-Site Speaker (Planned) Yicheng Zhang
Abstract Scope Non-equilibrium processes are commonly used to obtain metastable phases. Furthermore, alloys produced by different processes may have different phases, although they have the same composition. Our group has prepared eutectic Ag-Si alloy powders for semiconductor bonding materials using a gas atomization method and confirmed the presence of a primary Ag phase in the atomized powder. For the Ag-Si system, the rapid solidification from the liquid state leads to undercooling, and the eutectic point shifts to the hypereutectic side. The melt-spinning method can solidify the material at a cooling rate of about 106 °C/s, which is even faster than the gas atomization method. Thus, it is expected to obtain the Ag-Si alloy containing a large amount of metastable structures. In this study, Ag-Si alloys were prepared by the melt-spinning method, and the rapidly solidified structures and thermal properties in the alloys were evaluated and compared with those of the atomized powder.
Proceedings Inclusion? Planned:
Keywords Electronic Materials, Joining, Phase Transformations

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

A-18: Effect of Ni/Ga Ratio on Fabrication of Cu-to-Cu Joints by Using Electroplated Ga Layer and Ni UBM
A-19: Fatigue Life of Selective Laser Solder Joints of a MEMS Probe for Automotive Semiconductor Wafer Test
A-20: Self-organization Assembly Solder Resin for Fine Pitch Components Bonding Application
A-35: Wetting Kinetics and Microstructure of Micro-textured Surface Modified Copper Substrate During Soldering
Additive-induced Crystallization of Highly (111) Textured Cu Nanotwins by Electroless Deposition
Anisotropic Effects in Electromigration Enhanced Intermetallic Growth in Sn Based Solders
Annealing Effect on the Electro-recrystallization of Tin
Contribution of Ni Microalloying to the Cu Dissolution of In-35Sn/Cu Solder Joint After Multiple Reflows
Controlling Porosity During Transient Liquid Phase Soldering for Power Modules
Corrosion Induced Fracture of Cu/Al Interconnects in Microelectronics Packages
Cryogenic Mechanical Properties and Time-temperature Dependent Phase Transformations of Ultra-low Temperature In-Sn-Bi Solder Alloys
Cu-Cu Interconnection With Electroplated Ga and Ni UBM
Development of Low-temperature Cu-to-Cu Direct Bonding Technology Using Glycerol Vapor as Cu Surface Antioxidant
Effect of Epoxy Material and Gold Wire Configuration on Light-emitting Diode Encapsulation Process
Effect of Grain Size and Stress Relaxation on Whisker Growth Under Applied Pressure
Effect of Microstructure of Ag on the Growth of Intermetallic Compound in Ag-In System During Isothermal Reflow Process
Effect of Sb and Ag Addition on the Melting and Solidification of Near-eutectic Sn-Bi Solder Alloys
Effects of Sb Addition on the Mechanical Behavior of Eutectic Sn-Bi Solder Alloys
Electro-recrystallization in Pure Cu Metal Induced by Current Stressing: A Comprehensive Study of Microstructure, Crystallinity, and Properties
Electromigration Behavior of Nano-twinned Cu-Ag Alloy Thin Films
Electromigration Test of Electroless Copper Plating Interconnection
Enhancing Joint Strength and Microstructural Modification Through the Addition of Eco-friendly Nanofibers in SAC Solder
Impact of Current Induced Joule Heat Variation on Low Melting Temperature Solder Joint Stability
Impact of Microstructure on the Joule Heat Behaviors of Solder Interconnects
Improved Lifetime of an Electrophoretic Display Based on Solvent and Sealant Engineering
In-situ Characterisation of the Time-temperature Dependent Structural Changes in Sn-Bi Alloys
Interfacial Reaction Between Electroplated Indium and Copper Substrate
Interfacial Reactions Between the Molten Sn Solder and Cu-2.3Fe wt.% (C194) Substrate
Investigation of In-passivated Cu-to-Cu Direct Bonding With a Sn Diffusion Barrier Layer
Investigations of Current-induced Grain Growth and Properties Variation in Pure Ag Metal Under Extremely High Current Density
Low-temperature Direct Bonding of Co-sputtered Cu-Ag Alloy Thin Films
Low-temperature Direct Bonding of Co-sputtered Nano-twinned Cu-Ag Alloy Thin Films
Microstructural Fingerprints for Secure Microelectronic Packaging
Microstructure, Texture, and Properties Evolutions in Pure Nickel Metal Under High-density Electric Current Stressing
New Insights Into the Role of Microstructure on the Thermal Fatigue Performance of BGA Packages
Numerical Modeling the Effect of Copper Solute on Electromigration Stress Development in Al Interconnects
Phase Formation and Transformation Behavior in Rapidly Solidified Ag-Si Alloys
Reliability of Silver─tin Alloy Sintering for Power Electronic Applications
Strain-controlled High-cycle Fatigue of Solder Joints for High-reliability Environments
Surface Precipitation and Growth Mechanisms of Bismuth Particles in Sn-Bi Solder
The Conductivity and Mechanical Properties of Hybrid Carbon Black/Copper Filled Linear Low-density Polyethylene (LLDPE) and Liquid Silicone Rubber (LSR) Flexible Conductive Polymer Composites for Electronic Interconnect Applications.
The Effect of Surface Roughness on Spreading of SAC305 on Ag Substrates
The Formation of Ag Nodule Structures From Ag-Si Metastable States
The Kinetic Analysis and Inhibition Efficiency of the Anti-immersion Agent for the Ag Replacement Reaction.
The Role of FeCoNiMn as a Diffusion Barrier in Solder Joints During Thermomigration
Thermal Strain Measurement of Solder Joint in Electronic Packages
Towards Practical Demountable Joints for Fusion Devices - Microstructure Formation and its Stability in the In-Bi-Sn Ultra-low-temperature Eutectic Soldering Alloy

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