MEMS inductor fabrication and emerging applications in power electronics and neurotechnologies

HT Le, RI Haque, Z Ouyang, SW Lee, SI Fried… - Microsystems & …, 2021 - nature.com
MEMS inductors are used in a wide range of applications in micro-and nanotechnology,
including RF MEMS, sensors, power electronics, and Bio-MEMS. Fabrication technologies …

A review on enabling technologies for high power density power electronic applications

M Mahesh, KV Kumar, M Abebe, L Udayakumar… - Materials Today …, 2021 - Elsevier
Abstract Power Electronic Systems for various applications have gone through several
stages of development during last five decades. Its development especially in high power …

Microsystems using three-dimensional integration and TSV technologies: Fundamentals and applications

Z Wang - Microelectronic Engineering, 2019 - Elsevier
As a powerful enabling technology, three-dimensional (3D) integration, which uses wafer
bonding to integrate multiple wafers in the vertical direction and uses through‑silicon-vias …

Integrated MEMS toroidal transformer with Ni-Zn ferrite core for power supply on chip

H Li, K Zhu, K Lei, T Xu, H Wu - IEEE Transactions on Power …, 2022 - ieeexplore.ieee.org
A miniature integrable transformer is an obstacle to the miniaturization of packaged power
supply on chip (PwrSoC). This letter introduces a through-silicon via (TSV) high-aspect-ratio …

MEMS micro-coils for magnetic neurostimulation

X Liu, AJ Whalen, SB Ryu, SW Lee, SI Fried… - Biosensors and …, 2023 - Elsevier
Micro-coil magnetic stimulation of brain tissue presents new challenges for MEMS micro-coil
probe fabrication. The main challenges are threefold;(i) low coil resistance for high power …

Effects and modulation mechanism of crystal structure on residual stress of Cu films used for metallization

W Li, S Xiao, X Zhang, X Meng, Y Gao, S Fan, T Li… - Thin Solid Films, 2024 - Elsevier
Deformation cracking and delamination arising from residual stress are the main challenges
for metallization in large-scale integrated circuits. Herein, an ultra-low residual stress Cu film …

Nanofabricated high turn-density spiral coils for on-chip electromagneto-optical conversion

I Bok, A Ashtiani, Y Gokhale, J Phillips, T Zhu… - Microsystems & …, 2024 - nature.com
Circuit-integrated electromagnets are fundamental building blocks for on-chip signal
transduction, modulation, and tunability, with specific applications in environmental and …

An ultra-deep TSV technique enabled by the dual catalysis-based electroless plating of combined barrier and seed layers

Y Su, Y Ding, L Xiao, Z Zhang, Y Yan, Z Liu… - Microsystems & …, 2024 - nature.com
Silicon interposers embedded with ultra-deep through-silicon vias (TSVs) are in great
demand for the heterogeneous integration and packaging of opto-electronic chiplets and …

Photolithography of SU-8 microtowers for a 100-turn, 3-D toroidal microinductor

JJK Kim, H Al Thuwaini, M Almuslem - Micro and Nano Systems Letters, 2018 - Springer
We present a photolithography scheme for ultra-tall, high-aspect-ratio microstructures. While
increased height of microstructures can expand the design capability of various …

Analytical expressions for inductances of 3-D air-core inductors for integrated power supply

C Shetty, Y Kandeel, L Ye, S O'Driscoll… - IEEE Journal of …, 2021 - ieeexplore.ieee.org
This work presents analytical expressions for the dc inductance of 3-D air-core inductors
with circular cross-sectional pillars (CCSPs) and rectangular cross-sectional pillars …