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 …

Investigation of warpage for multi-die fan-out wafer-level packaging process

C Chen, M Su, R Ma, Y Zhou, J Li, L Cao - Materials, 2022 - mdpi.com
This paper focuses on characterizing the evolution of warpage, effects of epoxy molding
compound (EMC), and effects of carrier 2 (the second carrier in the process) of 12 inch RDL …

Viscoelastic warpage modeling of fan-out wafer-level packaging during wafer-level mold cure process

HC Cheng, ZD Wu, YC Liu - IEEE Transactions on Components …, 2020 - ieeexplore.ieee.org
This article aims to characterize the warpage evolution of fan-out wafer-level packaging
(FOWLP) during the wafer-level mold cure process. A finite-element analysis (FEA)-based …

Next-generation high-density PCB development by fan-out RDL technology

MK Shih, YW Huang, GS Lin - IEEE Transactions on Device …, 2022 - ieeexplore.ieee.org
High-density interconnect (HDI) printed circuit boards (PCBs) are in high demand for
smartphones, particularly those with fifth generation (5G) functionality, due to their smaller …

Development of compression molding process for Fan-Out wafer level packaging

B Julien, DF FC, K Tadashi, B Pieter… - 2020 IEEE 70th …, 2020 - ieeexplore.ieee.org
The present study deals with the investigation of compression mold processes and materials
to enable a highdensity chip-first multi-die Fan-Out assembly. Wafer warpage, die shift and …

Novel insulation materials suitable for FOWLP and FOPLP

S Ikehira - 2021 IEEE 71st Electronic Components and …, 2021 - ieeexplore.ieee.org
Build-up process is a highly effective for high-density integration of printed circuit boards.
Ajinomoto Build-up Film®(ABF) has become world-wide used insulation build-up material …

Dynamic mechanical analysis and viscoelastic behavior of epoxy molding compounds used in fan-out wafer-level packaging

X Wang, Y Andriani, S Liu, Z Chen… - 2018 IEEE 20th …, 2018 - ieeexplore.ieee.org
In decades of microelectronic devices manufacturing, a few generations of epoxy molding
compounds (EMCs) have been developed and applied successfully in different packaging …

Fan-out wafer molding process optimization using cure-dependent viscoelastic modeling and characterizations

SS Yeh, PY Lin, KC Lee, JH Wang… - 2017 12th …, 2017 - ieeexplore.ieee.org
Due to the significant volume change of molding compounds during assembly processes,
warpage is the top issue to be overcome in the application of the fan-out wafer form …

An integrated warpage prediction model based on chemical shrinkage and viscoelasticity for molded underfill

SS Yeh, PY Lin, KC Lee, JH Wang… - 2018 IEEE 68th …, 2018 - ieeexplore.ieee.org
The molded underfill (MUF) offers many unique advantages, including lower material costs,
higher throughput, and excellent reliability for flip-chip chip scale packages (fcCSP) and fan …