Semiconductor piezoresistance for microsystems

AA Barlian, WT Park, JR Mallon… - Proceedings of the …, 2009 - ieeexplore.ieee.org
Piezoresistive sensors are among the earliest micromachined silicon devices. The need for
smaller, less expensive, higher performance sensors helped drive early micromachining …

A review on the mechanisms of ultrasonic wedge-wedge bonding

Y Long, J Twiefel, J Wallaschek - Journal of materials processing …, 2017 - Elsevier
Although ultrasonic (US) wire bonding has been widely applied in microelectronic
packaging industry for decades, the bonding mechanisms are not yet well understood. This …

Thermomechanical analyses of ultrasonic welding process using thermal and acoustic softening effects

A Siddiq, E Ghassemieh - Mechanics of Materials, 2008 - Elsevier
Ultrasonic welding process is a rapid manufacturing process used to weld thin layers of
metal at low temperatures and low energy consumption. Experimental results have shown …

Chip-last (RDL-first) fan-out panel-level packaging (FOPLP) for heterogeneous integration

JH Lau, CT Ko, CY Peng, KM Yang… - Journal of …, 2020 - meridian.allenpress.com
In this investigation, the chip-last, redistribution-layer (RDL)–first, fan-out panel-level
packaging (FOPLP) for heterogeneous integration is studied. Emphasis is placed on the …

Detection of joining mechanisms at different locations of the wire/substrate interface during ultrasonic wire bonding via a PZT-based sensor array

Y Long, M Arndt, C Sun, F Dencker, M Wurz… - Journal of Materials …, 2023 - Elsevier
Ultrasonic (US) wire bonding is a very complex process during which different mechanisms
occur at different locations of the bonding interface. The change of these local mechanisms …

Numerical study of wire bonding—Analysis of interfacial deformation between wire and pad

Y Takahashi, M Inoue - J. Electron. Packag., 2002 - asmedigitalcollection.asme.org
The purpose of the present study is to understand the interfacial deformation between pad
and wire and the effect of the pad thickness, the pad hardness, and the tool shape on the …

Effects of process parameters on bondability in ultrasonic ball bonding

J Qi, NC Hung, M Li, D Liu - Scripta materialia, 2006 - Elsevier
A mechanism was proposed to explain the effects of process parameters on bondability in
ultrasonic ball bonding. The bondability was determined by the slip area at the bonding …

In situ ultrasonic force signals during low-temperature thermosonic copper wire bonding

A Shah, M Mayer, Y Zhou, SJ Hong, JT Moon - Microelectronic Engineering, 2008 - Elsevier
Ultrasonic in situ force signals from integrated piezo-resistive microsensors were used
previously to describe the interfacial stick-slip motion as the most important mechanism in …

On the stick-slip dynamics in ultrasonic additive manufacturing

JM Gibert, G Fadel, MF Daqaq - Journal of Sound and Vibration, 2013 - Elsevier
Ultrasonic Additive Manufacturing (UAM) is a promising additive manufacturing process
used to build complex structures by joining thin metal films. Layers of metal foil are joined by …

Co-simulation of MATLAB and ANSYS for ultrasonic wire bonding process optimization

R Schemmel, V Krieger, T Hemsel, W Sextro - Microelectronics Reliability, 2021 - Elsevier
Ultrasonic wire bonding is a solid-state joining process, used in the electronics industry to
form electrical connections, eg to connect electrical terminals within semiconductor modules …