Liquid–metal vertical interconnects for flip chip assembly of GaAs C-band power amplifiers onto micro-rectangular coaxial transmission lines

P Ralston, M Oliver, K Vummidi… - IEEE Journal of Solid …, 2012 - ieeexplore.ieee.org
Prior work has demonstrated a new process utilizing room-temperature liquid metal,
Galinstan, as an interconnect material for flip-chip bonding. This interconnect forms a flexible …

Non-toxic liquid metal microstrip resonators

X Liu, LPB Katehi, D Peroulis - 2009 Asia Pacific Microwave …, 2009 - ieeexplore.ieee.org
In this paper, we report for the first time the design and fabrication of non-toxic liquid metal
(Galinstan) half-wavelength (¿ g/2) microstrip resonator. Patterning techniques of Galinstan …

Achieving Low Thermal Stress in a PCB/AMB Hybrid SiC Power Module Using Fluidic Connections Based on Liquid Metal

W Mu, A Janabi, B Hu, L Shillaber… - 2023 IEEE Energy …, 2023 - ieeexplore.ieee.org
Due to the mismatch of coefficient of thermal expansion (CTE) among different material
layers, power modules are usually under substantial thermomechanical stress during …

Through Si vias using liquid metal conductors for re-workable 3D electronics

GA Hernandez, D Martinez, C Ellis… - 2013 IEEE 63rd …, 2013 - ieeexplore.ieee.org
This paper describes the design and fabrication of liquid metal interconnects (vias) for 2.5 D
and 3D integration. The liquid metal is gallium indium eutectic (78.6% Ga, 21.4% In) with a …

Liquid metal-based manipulator for microscale handling inside SEM

FT von Kleist-Retzow, M Bartenwerfer… - 2019 IEEE 14th …, 2019 - ieeexplore.ieee.org
In this paper, the application of liquid metals is demonstrated in adhesive bond handling for
micro-manipulation. Using the possibility to switch gallium between a liquid, low-adhesion …

Liquid Metal Based Test Structures and Reconfigurable Microfluidic Microwave Devices and Antennas

M Zandvakili - 2017 - era.library.ualberta.ca
Electrically reconfiguring communicational devices suffer from a number of drawbacks:
incorporating electrical elements such as varactors in unit cell level to manipulate the …

Heterogeneous flip-chip assembly of a GaAs C-band power amplifier MMIC using liquid metal vertical interconnects

P Ralston, J Wood, K Vummidi… - 2010 IEEE MTT-S …, 2010 - ieeexplore.ieee.org
A new process utilizing room temperature liquid metals as interconnect material for flip chip
assembly of active circuits has been demonstrated. These interconnects form flexible bonds …

Design and Characterization of Liquid Metal Flip Chip Interconnections for Heterogeneous Microwave Assemblies

PE Ralston - 2013 - vtechworks.lib.vt.edu
Flip chip interconnections have superior performance for microwave applications compared
to wire bond interconnections because of their reduced parasitics, more compact …