A review of intermetallic compound growth and void formation in electrodeposited Cu–Sn Layers for microsystems packaging

HK Kannojia, P Dixit - Journal of Materials Science: Materials in …, 2021 - Springer
Abstract In recent years, Cu–Sn solid–liquid interdiffusion (SLID) bonding has been used in
semiconductor packaging, die-attach, fine-pitch interconnection, and through-silicon vias …

Nucleation and Location of Kirkendall Voids at the Tin‐Based Solder/Copper Joint: A Review

MK Pal, V Bajaj - Advanced Engineering Materials, 2023 - Wiley Online Library
Void nucleation is a critical issue in wetting because it negatively impacts the solder joint
and diminishes its electrical and mechanical properties. Generally, the Kirkendall effect …

[HTML][HTML] Microstructural and mechanical characterization of Cu/Sn SLID bonding utilizing Co as contact metallization layer

F Emadi, V Vuorinen, S Mertin, K Widell… - Journal of Alloys and …, 2022 - Elsevier
Most micro-electro-mechanical systems (MEMS) devices contain fragile moving parts, which
poses challenges in process integration of interconnection methods requiring wet-chemistry …

Investigation of Cu-Sn-Cu transient liquid phase bonding for microsystems packaging

K Pawar, HS, P Dixit - Materials and Manufacturing Processes, 2023 - Taylor & Francis
Fabrication, characterization, and thermomechanical reliability of electroplated Cu-Sn-Cu-
based transient liquid phase (TLP) bonding required in microsystems packaging are …

Design and fabrication of through-glass via (TGV) based 3D spiral inductors in fused silica substrate

HK Kannojia, A Sidhique, AS Shukla… - Microsystem …, 2022 - Springer
Abstract Design and fabrication of the through-glass via (TGV) based three-dimensional
(3D) spiral inductors in the fused silica substrates by a simpler electrochemical discharge …

[HTML][HTML] Investigation of the microstructural evolution and detachment of Co in contact with Cu–Sn electroplated silicon chips during solid-liquid interdiffusion bonding

F Emadi, V Vuorinen, H Dong, G Ross… - Journal of Alloys and …, 2022 - Elsevier
Solid-liquid interdiffusion (SLID) bonding is one of the most promising novel methods for
micro-(opto)-electromechanical system (MEMS/MOEMS) wafer-level packaging. However …

Kinetics of dissolution of copper in liquid tin with ultrasonic waves

X Sun, W Yu, B Wu, G Yang - Materials Research, 2020 - SciELO Brasil
Ultrasonic-assisted soldering, as a type of new welding method, is widely used in the field of
electronic packaging. This research used the immersion method to study the dissolution …

Effect of surface roughness on void formation and intermetallic growth in electrodeposited Cu-Sn stacks

HK Kannojia, P Dixit - Materials Letters, 2019 - Elsevier
Abstract Effect of surface roughness on the void formation and intermetallic compounds
(IMCs) growth in the Cu-Sn diffusion layers is reported. Different samples having varying …

Experimental investigations in the intermetallic and microvoid formation in sub-200° C Cu–Sn bonding

HK Kannojia, P Dixit - Journal of Materials Science: Materials in …, 2019 - Springer
This paper reports the intermetallic growth and microvoid formation in the Cu–Sn layers,
which were annealed at low temperatures (sub-200° C) for durations varying from 120 to …

Formation of through-wafer 3-D interconnects in fused silica substrates by electrochemical discharge machining

HK Kannojia, J Arab, R Kumar… - 2019 IEEE 21st …, 2019 - ieeexplore.ieee.org
In recent years, the usage of glass-based materials as substrate in radio-frequency (RF)
micro-electro-mechanical-systems (MEMS) applications has increased. Compared to silicon …