Forced motion activated self-alignment of micro-CPV solar cells

E Kaiser, M Wiesenfarth, V Vareilles… - IEEE Journal of …, 2024 - ieeexplore.ieee.org
In micro-concentrating photovoltaics (micro-CPV), the size of solar cells is reduced (< 1x1
mm 2) compared to conventional CPV. However, the quantity and requirement for placement …

[HTML][HTML] Automated fabrication of hybrid printed electronic circuits

U Gengenbach, M Ungerer, L Koker, KM Reichert… - Mechatronics, 2020 - Elsevier
Printed electronics offer great potential for new applications such as Internet of Things
devices and wearables. However, to date, only a limited number of electronic functions and …

Solder paste scoo** detection by multilevel visual inspection of printed circuit boards

C Benedek, O Krammer, M Janóczki… - IEEE Transactions on …, 2012 - ieeexplore.ieee.org
In this paper, we introduce an automated Bayesian visual inspection framework for printed
circuit board (PCB) assemblies, which is able to simultaneously deal with various shaped …

Experimental and simulative correlations of the influence of solder volume and receptor size on the capillary self-alignment of micro solar cells

V Vareilles, E Kaiser, P Voarino… - Journal of …, 2024 - ieeexplore.ieee.org
Surface tension-driven self-alignment is a promising technique to align millimeter-scale
components with a high accuracy of a few microns. It is based on liquid capillary forces …

Sim2Joint: Dynamic hybrid model for solder joint prediction across Sim2Real

N Cao, J Kim, A Farrag, D Won, SW Yoon - Robotics and Computer …, 2025 - Elsevier
The objective of this research is to predict the solder joint's fillet profile before its formation.
Solder joints are crucial for the structural and operational reliability of electronic assemblies …

The dissimilar self-alignment characteristics of smaller passive components in the length and width directions

J He, Y Cen, Y Li, S Park, D Won - Journal of Surface Mount …, 2021 - journal.smta.org
Motivation: As passive components' size gets smaller, quality rejects due to overhang and
misalignment after the reflow appear more frequently. This situation is partly because the …

[HTML][HTML] A study of micro-scale solder bump geometric shapes using minimizing energy approach for different solder materials

MAFMS Januddi, MN Harun - Ain Shams Engineering Journal, 2022 - Elsevier
Demand for more interconnection joints between semiconductor devices can be realized
with solder bump technology. Surface tension and density are usually material properties …

Impact of pad layouts and solder volume on self-alignment of micro solar cells

E Kaiser, M Wiesenfarth, V Vareilles… - 2023 24th European …, 2023 - ieeexplore.ieee.org
In micro-concentrating photovoltaics (micro-CPV), tiny solar cells (<1mm^2) are assembled
on a circuit board on glass. To mount thousands of dies per square meter, a high throughput …

Modelling the effect of uneven PWB surface on stencil bending during stencil printing process

O Krammer, LM Molnár, L Jakab, A Szabó - Microelectronics Reliability, 2012 - Elsevier
In the mass assembly of today's electronic circuits, solder paste is first printed onto the
surface of the assembly boards through a metal mask called a stencil. The possible surface …

Component level modelling of heat transfer during vapour phase soldering with finite difference ADI approach

I Bozsóki, A Géczy, B Illés - International Journal of Heat and Mass Transfer, 2019 - Elsevier
In this paper, the complex heat transfer process of the vapour phase soldering has been
investigated on the level of electronic components. VPS is gaining increased attention lately …