Technology of standard SMT components embedded into PCB by using different materials as filling masses

W Stęplewski, A Rybak, A Dziedzic, M Bialas… - Journal of Electronic …, 2023 - Springer
The technique of embedding components inside printed circuit boards (PCBs) is described,
using different filling masses. To investigate the possibility of placing the components inside …

Experimental and theoretical analysis of the classification of Sn0. 3Ag0. 7Cu lead-free solders powder

LL Dong, Q Jin, X Liu, M Ahangarkani, CH Zheng… - Vacuum, 2018 - Elsevier
Abstract Classification experiments using Sn0. 3Ag0. 7Cu lead-free solder powder prepared
by supersonic gas atomization were conducted by turbo air classifier. The effects of rotor …

Materials and soldering challenges in lead-free package-on-package (PoP) technology

M Kościelski, J Sitek, W Stęplewski, G Kozioł… - Soldering & Surface …, 2015 - emerald.com
Purpose–The purpose of this paper is to present challenges met during package-on-
package (PoP) technology implementation in real surface-mount technology assembly …

Influence of soldering condition on structure and reliability of solder joints made in Package-on-Package technology

M Kościelski, J Sitek - 2016 6th Electronic System-Integration …, 2016 - ieeexplore.ieee.org
As the miniaturization of the devices is progressing the chips have to have more functions
and cover less space. One of the methods to achieve this goal is usage of Package-on …

The dependence of reliability and mechanical strength of the solder joints in 3D PoP structures from sizes of solder powders applied in soldering materials

J Sitek, M Koscielski, J Borecki… - Soldering & Surface …, 2017 - emerald.com
Purpose The purpose of this paper is to evaluate the influence of solder powders sizes
applied in soldering materials used for Package-on-Package (PoP) system manufacture as …

Parameter Optimization of Pretin Printing Process of Wireless Communication Module

CY Huang, LC Shen, C Greene… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
For system manufacturers, packaging of the ball grid array (BGA) of wireless communication
modules can be performed via solder paste printing. As reballing can be conducted via the …

[PDF][PDF] MICROSTRUCTURE AND INTERFACIAL INTERMETALLIC OF Sn-3.0 Ag-0.5 Cu/Sn-58Bi SOLDER JOINT FOR PACKAGE-ON-PACKAGE TECHNOLOGY

MII RAMLI, RM SAID, F SOMIDIN, SFM AMLI… - ejmse.ro
In this study, the effect of growth microstructure on diffusion and intermetallic compound of
Sn-58Bi/SAC305 solder joint with different of SAC305 size and reflow temperature had been …

Failure analysis on interconnection fault for BGA module after board assembly

H Xiao, D Luo, Z Sun - 2017 18th International Conference on …, 2017 - ieeexplore.ieee.org
In the transition to lead-free process, one of the most prominent problems is the lead-free
solder joint interconnection reliability. Interconnection failure analysis is an important tool for …

[PDF][PDF] Failure analysis and assembly process simulation of package-on-package (PoP) module

H Xiao, D Luo, Y Zou, T Lu - SMTAI 2016, 2016 - circuitinsight.com
With the never ending drive for smaller, lighter and more advanced features on handheld
products, Package on Package (PoP) assembly that integrates logic die in the bottom …

Failure Analysis of Interconnection Fault in a PoP Module Applied for Mobile Phone

H Xiao, W Li, G Shi - International Symposium on …, 2019 - meridian.allenpress.com
A typical early fault case of some mobile phones was studied in this paper. The failure
phenomenon was manifested as that the mobile phones could not be powered on after one …