Effect of critical properties of epoxy molding compound on warpage prediction: A critical review

SP Phansalkar, C Kim, B Han - Microelectronics Reliability, 2022 - Elsevier
For the past couple of decades, a considerable amount of time and effort has been spent to
enhance the predictability of warpage of semiconductor packages encapsulated by epoxy …

Simulation methodology development of warpage estimation for epoxy molding compound under considerations of stress relaxation characteristics and curing …

CC Lee, CC Lee, CP Chang - Materials Science in Semiconductor …, 2022 - Elsevier
The thermal mismatch between different components has been a serious issue in the
reliability of electronic products. The effect of epoxy molding compound (EMC) on the …

Finite element analysis of 2.5 D packaging processes based on multi-physics field coupling for predicting the reliability of IC components

W Li, X Wang, R Zheng, X Zhao, H Zheng… - Microelectronics …, 2024 - Elsevier
The 2.5 D packaging technology is a high–performance method for electronic packaging.
This study addresses the reliability issues of 2.5 D packaging during the manufacturing …

A full-field warpage characterization measurement method coupled with infrared information

B Zeng, Y Gao, C Xiong, X Lei, W Lv, F Zhu - Microelectronics Reliability, 2023 - Elsevier
The thermomechanical properties of microelectronic packages can serve as important
indicators of reliability. Indeed, it is of great interest in dynamic warpage measurement of …

Development of ANN-based warpage prediction model for FCCSP via subdomain sampling and Taguchi hyperparameter optimization

HC Cheng, CL Ma, YL Liu - Micromachines, 2023 - mdpi.com
This study aims to establish an accurate prediction model using artificial neural networks
(ANNs) to effectively and efficiently predict the process-induced warpage of a flip-chip chip …

Study on the strip warpage issues encountered in the flip-chip process

WC Chuang, WL Chen - Materials, 2022 - mdpi.com
This study successfully established a strip warpage simulation model of the flip-chip process
and investigated the effects of structural design and process (molding, post-mold curing …

Method of Improving Simulation Accuracy by Curing Shrinkage of Molding Compound

L Neng, Z Wang, J Pang, T Sun, G Li… - 2022 23rd …, 2022 - ieeexplore.ieee.org
Packaging strip warpage in the molding process is one of the important indicators of
electronic packaging reliability evaluation. There are many factors affecting packaging strip …

Time-Dependent Warpage Analysis for PCB Considering Viscoelastic Properties of Prepreg

C Yang, CY Gu, MS Ju, J Kim, DM Jang… - Journal of the …, 2024 - koreascience.kr
In this study, the time-dependent warpage behavior caused by the viscoelastic properties of
prepreg in a printed circuit board (PCB) was analyzed by finite element method (FEM). The …

A development of finite element analysis model of 3DIC TSV package warpage considering cure dependent viscoelasticity with heat generation

M soo Han, Y Shin, K Lim… - 2021 IEEE 71st …, 2021 - ieeexplore.ieee.org
In this study, a numerical methodology to predict package warpage considering
viscoelasticity with cure-kinetics during thermal process was proposed. When a package …

Transitioning from Warpage" Control" to Warpage" Design": A Paradigm Shift

SP Phansalkar, B Han, G Lee - 2024 IEEE 74th Electronic …, 2024 - ieeexplore.ieee.org
The current practice of viscoelastic numerical analysis based on the assumption of constant
Poisson's ratio or constant bulk modulus–architecture-dependent modeling–is discussed in …