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Proceedings Papers

Effects of Mechanical Cycling Induced Damage on the Creep Response of SAC305 Solder

Golam Rakib Mazumder, Mohammad Ashraful Haq, Jeffrey C. Suhling, Pradeep Lall
Proc. ASME. InterPACK2022, ASME 2022 International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems, V001T10A002, October 25–27, 2022
Paper No: IPACK2022-93878
DOI: https://doi.org/10.1115/IPACK2022-93878
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Topics: Creep, Damage, Lead-free solders, Solders
Proceedings Papers

Effect of Property Evolution of Doped and Undoped SnAgCu Solder Alloys Under Shock and Vibration

Pradeep Lall, Vikas Yadav, Jeff Suhling, David Locker
Proc. ASME. InterPACK2022, ASME 2022 International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems, V001T04A003, October 25–27, 2022
Paper No: IPACK2022-97452
DOI: https://doi.org/10.1115/IPACK2022-97452
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Topics: Alloys, Shock (Mechanics), Solders, Vibration, Reliability, Aerospace industry, Climate, Defense industry, Elastic moduli, Electronics
Proceedings Papers

High Strain Rate Properties and Evolution of Plastic-Work for Doped Solder SAC-Q for Isothermal Aging Up to 240-Days at 100°C

Pradeep Lall, Vishal Mehta, Jeff Suhling, Ken Blecker
Proc. ASME. InterPACK2022, ASME 2022 International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems, V001T10A010, October 25–27, 2022
Paper No: IPACK2022-97438
DOI: https://doi.org/10.1115/IPACK2022-97438
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Topics: Shock (Mechanics), Solders, Temperature, Operating temperature, Alloys, High temperature, Stress, Stress-strain curves, Testing, Aerospace industry
Proceedings Papers

Modeling Underfill Degradation and Its Effect on FCBGA Package Reliability Under High-Temperature Operation

Pradeep Lall, Madhu Kasturi, Haotian Wu, Edward Davis
Proc. ASME. InterPACK2022, ASME 2022 International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems, V001T10A009, October 25–27, 2022
Paper No: IPACK2022-97433
DOI: https://doi.org/10.1115/IPACK2022-97433
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Topics: High temperature, Modeling, Reliability, Flip-chip, Solder joints, Ball-Grid-Array packaging, Electronics, Fatigue failure, Fatigue life, Materials degradation
Proceedings Papers

Influence of Cure-Reflow Profile and High-Temperature Operation of Additively Printed Conductive Circuits on Performance and Reliability

Pradeep Lall, Jinesh Narangaparambil, Curtis Hill
Proc. ASME. InterPACK2022, ASME 2022 International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems, V001T03A012, October 25–27, 2022
Paper No: IPACK2022-97457
DOI: https://doi.org/10.1115/IPACK2022-97457
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Topics: Artificial neural networks, Circuits, Copper, Flexible electronics, High temperature, Reliability, Electrical resistivity, Sintering, Adhesives, Electronics
Proceedings Papers

Mechanical and Electrical Properties of Additively Printed Circuits With Magnetically Orientated Anisotropic Conductive Adhesive Attachment for FHE Applications

Pradeep Lall, Jinesh Narangaparambil, Scott Miller
Proc. ASME. InterPACK2022, ASME 2022 International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems, V001T03A011, October 25–27, 2022
Paper No: IPACK2022-97456
DOI: https://doi.org/10.1115/IPACK2022-97456
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Topics: Adhesives, Anisotropy, Circuits, Electrical properties, Failure, Reliability, Temperature, Electronics, Low temperature, Bonding
Proceedings Papers

Effect of Aging on High Strain Rate Mechanical Properties of SAC+Bi Solders After Exposure to Isothermal Aging of 50°C Up To 120 Days

Pradeep Lall, Mrinmoy Saha, Jeff Suhling, Ken Blecker
Proc. ASME. InterPACK2022, ASME 2022 International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems, V001T10A013, October 25–27, 2022
Paper No: IPACK2022-97449
DOI: https://doi.org/10.1115/IPACK2022-97449
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Topics: Mechanical properties, Solders, Temperature, Alloys, Storage, Aerospace industry, Automotive industry, Constitutive equations, Finite element analysis, Low temperature materials
Proceedings Papers

Thermomechanical Reliability of BGA Packages With Different Underfill Reinforcement Methods

Yangyang Lai, Chongyang Cai, Ke Pan, Junbo Yang, Jonghwan Ha, Pengcheng Yin, Karthik Deo, Seungbae Park
Proc. ASME. InterPACK2022, ASME 2022 International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems, V001T10A006, October 25–27, 2022
Paper No: IPACK2022-97349
DOI: https://doi.org/10.1115/IPACK2022-97349
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Topics: Ball-Grid-Array packages, Ball-Grid-Array packaging, Reliability, Thermomechanics, Cycles, Solders, Corners (Structural elements), Bonding, Deformation, Stiffness
Proceedings Papers

Nonlocal Damage Modeling of Solder Joint Failure Under Thermomechanical Cyclic Loading

Youssef Maniar, Alexander Kabakchiev, Marta Kuczynska, Masoomeh Bazrafshan, Peter Binkele, Siegfried Schmauder
Proc. ASME. InterPACK2021, ASME 2021 International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems, V001T06A003, October 26–28, 2021
Paper No: IPACK2021-73100
DOI: https://doi.org/10.1115/IPACK2021-73100
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Topics: Damage, Failure, Modeling, Solder joints, Thermomechanics, Finite element analysis, Simulation, Stress, Deformation, Solders
Proceedings Papers

Development of Multi-Layer Circuitry Using Electrically Conductive Adhesive and Low-Temperature Solder Material for Surface-Mount Component Attachment

Pradeep Lall, Jinesh Narangaparambil, Scott Miller
Proc. ASME. InterPACK2021, ASME 2021 International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems, V001T03A008, October 26–28, 2021
Paper No: IPACK2021-74086
DOI: https://doi.org/10.1115/IPACK2021-74086
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Topics: Adhesives, Flexible electronics, Inks, Low temperature, Printing, Solders, Surface mount components
Proceedings Papers

Prognostics and RUL Estimations of SAC305, SAC105 and SnAg Solders Under Temperature and Vibration Using Long Short-Term Memory (LSTM) Deep Learning

Pradeep Lall, Tony Thomas, Ken Blecker
Proc. ASME. InterPACK2021, ASME 2021 International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems, V001T07A019, October 26–28, 2021
Paper No: IPACK2021-74066
DOI: https://doi.org/10.1115/IPACK2021-74066
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Topics: Solders, Temperature, Vibration, Failure, Signals, Service life (Equipment), Time series, Complex systems, Dimensions, Maintenance
Proceedings Papers

Enhanced Processability and Thermal Fatigue Reliability With Low Melting Point SnBi Solder Alloy LMPA-Q

Bart Vandevelde, Chinmay Nawghane, Riet Labie, Ralph Lauwaert, Daniel Werkhoven
Proc. ASME. InterPACK2021, ASME 2021 International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems, V001T07A013, October 26–28, 2021
Paper No: IPACK2021-73456
DOI: https://doi.org/10.1115/IPACK2021-73456
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Topics: Alloys, Fatigue, Melting point, Reliability, Solders, Temperature, Ball-Grid-Array packaging, Contamination, Failure, Failure analysis
Proceedings Papers

Determination of High and Low Temperature High Strain Rate Mechanical Properties for SAC-R After Exposure to Isothermal Aging of 50°C Up To 8 Months

Pradeep Lall, Mrinmoy Saha, Jeff Suhling, Ken Blecker
Proc. ASME. InterPACK2021, ASME 2021 International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems, V001T07A022, October 26–28, 2021
Paper No: IPACK2021-74069
DOI: https://doi.org/10.1115/IPACK2021-74069
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Topics: Low temperature, Mechanical properties, Storage, Temperature, Alloys, Solders, Avionics, Climate, Design, Electronic packages
Proceedings Papers

Low Temperature Material Characterization of Lead-Free SAC Solder Alloy at High Strain Rate After Prolonged High Temperature Storage

Pradeep Lall, Vikas Yadav, Jeff Suhling, David Locker
Proc. ASME. InterPACK2021, ASME 2021 International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems, V001T07A021, October 26–28, 2021
Paper No: IPACK2021-74068
DOI: https://doi.org/10.1115/IPACK2021-74068
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Topics: Alloys, High temperature, Low temperature materials, Solders, Storage
Proceedings Papers

Evolution of Potting-PCB Interfacial Reliability After Long Term High Temperature Operation

Pradeep Lall, Aathi Raja Ram Pandurangan, Ken Blecker
Proc. ASME. InterPACK2021, ASME 2021 International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems, V001T07A018, October 26–28, 2021
Paper No: IPACK2021-74062
DOI: https://doi.org/10.1115/IPACK2021-74062
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Topics: Delamination, Epoxy adhesives, Epoxy resins, Fracture toughness, High temperature, Reliability, Shock (Mechanics), Stress, Fracture (Materials), Electronic components
Proceedings Papers

Numerical Modeling of Continuous Dynamic Recrystallization in Sn-Based Solder Connection Under Cyclic Loading

Marta Kuczynska, Ulrich Becker, Youssef Maniar, Steffen Weihe
Proc. ASME. InterPACK2021, ASME 2021 International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems, V001T06A004, October 26–28, 2021
Paper No: IPACK2021-73319
DOI: https://doi.org/10.1115/IPACK2021-73319
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Topics: Computer simulation, Finite element analysis, Recrystallization, Simulation, Solders, Stress, Tin
Proceedings Papers

Evolution of Mechanical Properties and Microstructure in SAC Bulk Solder and Solder Joints During Thermal Cycling Exposures

S. M. Kamrul Hasan, Abdullah Fahim, Mohammad Al Ahsan, Jeffrey C. Suhling, Sa'd Hamasha, Pradeep Lall
Proc. ASME. InterPACK2021, ASME 2021 International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems, V001T07A016, October 26–28, 2021
Paper No: IPACK2021-74044
DOI: https://doi.org/10.1115/IPACK2021-74044
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Topics: Lead-free solders, Mechanical properties, Solder joints, Solders, Tensile strength, Thermal shock, Yield strength, Stress, Cycles, High temperature
Proceedings Papers

Mechanical Properties of Doped Solder SAC-Q for High Strain Rate Testing at Extreme Surrounding Temperatures for 6 Months of Isothermal Aging

Pradeep Lall, Vishal Mehta, Jeff Suhling, Ken Blecker
Proc. ASME. InterPACK2021, ASME 2021 International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems, V001T07A020, October 26–28, 2021
Paper No: IPACK2021-74067
DOI: https://doi.org/10.1115/IPACK2021-74067
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Topics: Alloys, High temperature, Mechanical properties, Shock (Mechanics), Solders, Temperature, Testing, Vibration, Viscoplasticity
Proceedings Papers

Investigation and Comparison of Aging Effects in SAC305 and Doped SAC+X Solders Exposed to Isothermal Aging

Jing Wu, Mohammad S. Alam, KM Rafidh Hassan, Jeffrey C. Suhling, Pradeep Lall
Proc. ASME. InterPACK2020, ASME 2020 International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems, V001T01A020, October 27–29, 2020
Paper No: IPACK2020-2695
DOI: https://doi.org/10.1115/IPACK2020-2695
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Topics: Intermetallic compounds, Lead-free solders, Solders, Particulate matter, Tin, Alloys, Mechanical behavior, Diffusion (Physics), High temperature, Mechanical properties
Proceedings Papers

Evolution of Anand Parameters With Elevated Temperature Aging for SAC Leadfree Alloys

Pradeep Lall, Vikas Yadav, Jeff Suhling, David Locker
Proc. ASME. InterPACK2020, ASME 2020 International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems, V001T01A009, October 27–29, 2020
Paper No: IPACK2020-2658
DOI: https://doi.org/10.1115/IPACK2020-2658
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Topics: Alloys, Temperature, Operating temperature, Solders, Avionics, Constitutive equations, Electronic equipment, Electronics, Energy dissipation, Engines