Recent advances in modeling the underfill process in flip-chip packaging

JW Wan, WJ Zhang, DJ Bergstrom - Microelectronics Journal, 2007 - Elsevier
Flip-chip underfill process is a very important step in the flip-chip packaging technology
because of its great impact on the reliability of the electronic devices. In this technology …

Recent fluid–structure interaction modeling challenges in IC encapsulation–A review

CY Khor, MZ Abdullah, CS Lau, IA Azid - Microelectronics Reliability, 2014 - Elsevier
The rapid development of computing software has facilitated multifarious research in
integrated circuit (IC) packaging. Complicated and complex processes can be visualized via …

Analysis of capillary flows in non-uniform cross-sectional capillaries

WB Young - Colloids and Surfaces A: Physicochemical and …, 2004 - Elsevier
The capillary flow is widely applied recently in many modern processes such as underfilling
of flip chip, crystal growth, flow in micro-fluidics, and a variety of other fields. In this study, a …

Microphone assembly with underfill agent having a low coefficient of thermal expansion

C Wang - US Patent 8,189,820, 2012 - Google Patents
(57) ABSTRACT A microphone assembly includes a carrier, a silicon-based transducer, a
conducting element, and an underfill agent. The carrier has a first Surface holding an …

An analytical model for predicting the underfill flow characteristics in flip-chip encapsulation

JW Wan, WJ Zhang… - IEEE transactions on …, 2005 - ieeexplore.ieee.org
This article describes an analytical model for the prediction of the underfill flow
characteristics in a flip-chip package driven by capillary action. In this model, we consider …

Finite volume based CFD simulation of pressurized flip-chip underfill encapsulation process

CY Khor, MA Mujeebu, MZ Abdullah, FC Ani - Microelectronics Reliability, 2010 - Elsevier
This paper presents the simulation of pressurized underfill encapsulation process for high
I/O flip chip package. 3D model of flip chip packages is built using GAMBIT and simulated …

Capillary-driven micro flows for the underfill process in microelectronics packaging

YB Kim, J Sung - Journal of mechanical science and technology, 2012 - Springer
Capillary-driven micro flow allows liquid transport by interfacial force without external
pressure or momentum. Theoretical and experimental studies have been conducted to …

Numerical modeling for the underfill flow in flip-chip packaging

JW Wan, WJ Zhang… - IEEE Transactions on …, 2009 - ieeexplore.ieee.org
In the prediction of underfill flow in a flip-chip package, numerical methods are usually used
for flow analysis and simulation since analytical methods cannot meet the requirement for …

Effects of underfill materials on the reliability of low-K flip-chip packaging

KM Chen, DS Jiang, NH Kao, JY Lai - Microelectronics Reliability, 2006 - Elsevier
The reliability of low-K flip-chip packaging has become a critical issue owing to the low
strength and poor adhesion qualities of the low-K dielectric material when compared with …

Capillary impregnation into cylinder banks

WB Young - Journal of colloid and interface science, 2004 - Elsevier
The capillary rise of liquid in a cylinder bank is examined in order to study the capillary
pressure variation perpendicular to the direction of the cylinders. The calculations consider …