Search Results - "Shafahian, Ehsan"
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Chemical mechanical polishing for indium bond pad damascene processing
Published in Japanese Journal of Applied Physics (01-03-2024)“…We investigated Chemical Mechanical Polishing (CMP) of indium, with the goal of obtaining indium bond pads for later cryo-3D integration of quantum…”
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Journal Article -
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Electrodeposition of bismuth telluride thin films containing silica nanoparticles for thermoelectric applications
Published in Electrochimica acta (01-11-2017)“…The electrodeposition of bismuth telluride (Bi2Te3) with incorporated silica nanoparticles (diameter = 16 nm) was studied in ethylene glycol using a rotating…”
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Journal Article -
3
Wafer-Level Electrochemical Deposition and Processing of Nanotwinned Cu RDL
Published in Proceedings of the IEEE International Interconnect Technology Conference (03-06-2024)“…We have successfully performed wafer-level (∅300 mm) fabrication of highly (111) oriented nanotwinned copper (nt-Cu) Redistribution layers (RDL) using…”
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Conference Proceeding -
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Plasma Cleaning and Thermal Compression Bonding of Indium Bumps as Superconducting Interconnects for Cryogenic and Quantum Computing Applications
Published in 2024 International Conference on Electronics Packaging (ICEP) (17-04-2024)“…This paper introduces a method for direct electrodeposition of indium on superconducting (SC) layers with an optimized electrolyte. Indium-to-indium bump and…”
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Conference Proceeding -
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Fundamental study of IMC grains at low anneal temperature
Published in 2022 International Conference on Electronics Packaging (ICEP) (11-05-2022)“…IMC insertion bonding is a technique for low temperature and high throughput die to wafer stacking where a soft solder material like Sn is mechanically…”
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Conference Proceeding -
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3D interconnects for quantum computing
Published in 2024 IEEE 74th Electronic Components and Technology Conference (ECTC) (28-05-2024)“…In this paper, the development of 3D superconducting (SC) interconnects including SC microbumps, through silicon vias (TSVs) and pads on 300mm Si wafers for…”
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Conference Proceeding -
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Low temperature backside damascene processing on temporary carrier wafer targeting 7μm and 5μm pitch microbumps for N equal and greater than 2 die to wafer TCB stacking
Published in 2022 IEEE 72nd Electronic Components and Technology Conference (ECTC) (01-05-2022)“…In this paper, for first time, damascene process on thinned and bonded device wafer to a carrier using TBM layer is introduced. All the BS process steps…”
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Conference Proceeding -
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Confined IMCs for low temperature and high throughput D2W bonding
Published in 2022 International Conference on Electronics Packaging (ICEP) (11-05-2022)“…In this paper an integration flow is introduced for IMC insertion bonding, enabling stacking microbumps with 10um and below pitches. Confined CoSn3 pre-IMC…”
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Conference Proceeding -
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10 and 7 μm Pitch Thermo-compression Solder Joint, Using A Novel Solder Pillar And Metal Spacer Process
Published in 2020 IEEE 70th Electronic Components and Technology Conference (ECTC) (01-06-2020)“…In this paper, spacer bumps concept is introduced to increase the process window for TCB, lower the sensitivity of electrical yield to bump height variation,…”
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Conference Proceeding -
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A study on IMC morphology and integration flow for low temperature and high throughput TCB down to 10\mu \mathrm pitch microbumps
Published in 2021 IEEE 71st Electronic Components and Technology Conference (ECTC) (01-06-2021)“…In this paper full integration flow for a low temperature (150°C) and high throughput die to wafer bonding method is introduced for microbumps pitches down to…”
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Conference Proceeding