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Martin, H.A. (author), Xu, Haojia (author), Smits, Edsger C.P. (author), van Driel, W.D. (author), Zhang, Kouchi (author)
This study introduces a training protocol utilizing Convolutional Neural Networks (CNNs) and Confocal Scanning Acoustic Microscopy (CSAM) imaging techniques to classify Power Quad Flat No-leads (PQFN) package delamination. The investigation involves empty PQFN packages with varied substrate metallizations subjected to thermal cycling. Four...
conference paper 2024
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Martin, H.A. (author), Reintjes, Marcia (author), Reijs, Dave (author), Dorrestein, Sander (author), Kengen, Martien (author), Libon, Sebastien (author), Smits, Edsger (author), Tang, Xiao (author), Koelink, Marco (author), Poelma, René H. (author), van Driel, W.D. (author), Zhang, Kouchi (author)
Integrated Circuits and Electronic Modules experience concentrated thermal hot spots, which require advanced thermal solutions for effective distribution and dissipation of heat. The superior thermal properties of diamonds are long known, and it is an ideal material for heat-spreading applications. However, growing diamond films to the...
conference paper 2023
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Hu, X. (author), Martin, H.A. (author), Poelma, René H. (author), Huang, J.L. (author), Rijckevorsel, H. (author), Scholten, H. (author), Smits, E.C.P. (author), van Driel, W.D. (author), Zhang, Kouchi (author)
Resin-reinforced silver (Ag) sintering material is an effective and highly reliable solution for power electronics packaging. The hybrid material’s process parameters strongly influence its microstructure and pose a significant challenge in estimating its effective properties as a thin interconnect layer. This research demonstrates a novel 3D...
conference paper 2023
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Baccinelli, Walter (author), van der Burg, Sven (author), Richardson, Robin (author), Scheltinga, Bouke (author), Albers, N. (author), Smits, Djura (author), Geng, Cunliang (author), Brinkman, W.P. (author), Reenalda, Jasper (author)
Smoking tobacco and physical inactivity are key preventable behavioural risk factors of cardiovascular disease (CVD). Computerised coaching systems can help individuals to modify risky behaviours, thereby preventing CVD. However, most reported eHealth or computerized coaching systems are hard to reuse in slightly different settings. To provide...
conference paper 2022
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Martin, H.A. (author), Sattari, R. (author), Smits, E.C.P. (author), van Zeijl, H.W. (author), van Driel, W.D. (author), Zhang, Kouchi (author)
With an increasing demand for high-power electronics, the need to meet stringent automotive norms and better understand the critical failure mechanisms are crucial in order to improve their reliablity. To that end, we developed an in-situ reliability monitoring setup capable of actively measuring the thermal performance of the package during...
conference paper 2022
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Smits, J. (author), Hartman, Toine (author), Cockx, J.G.H. (author)
Pattern matching is a high-level notation for programs to analyse the shape of data, and can be optimised to efficient low-level instructions. The Stratego language uses <i>first-class pattern matching</i>, a powerful form of pattern matching that traditional optimisation techniques do not apply to directly.<br/>In this paper, we investigate how...
conference paper 2022
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Smits, J. (author), Visser, Eelco (author)
The Stratego language supports program transformation by means of term rewriting with programmable rewriting strategies. Stratego's traversal primitives support concise definition of generic tree traversals. Stratego is a dynamically typed language because its features cannot be captured fully by a static type system. While dynamic typing makes...
conference paper 2020
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Kirichek, Alex (author), Rutgers, Ronald (author), Nipius, Karoune (author), Ohle, Nino (author), Meijer, Herman (author), Smits, Joop (author)
This paper provides a new insight into the surveying strategies that are used (or can be potentially used) in ports and waterways with fluid mud layers. The combination of acoustic methods with other methods, which are based on the density or on the shear strength measurements, is discussed. In particular, the measurements by the DensX, the...
conference paper 2018
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Smits, Tommy (author), Hartjes, S. (author), Mitici, M.A. (author)
During arrival and departure procedures at an airport, aircraft generate noise. High levels of noise during these terminal procedures can have a negative impact on the communities located near the airport. We assess the impact of the noise generated by a standard instrument departure of a twin-engine narrow body mid-range aircraft over the...
conference paper 2018
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Graafstra, P. (author), Smits, F.J.C. (author), Janse, T. (author)
As the public water authority of the city of Amsterdam and surrounding areas, Waternet makes use of both steady-state and transient groundwater models for a variety of purposes involving urban groundwater management. For instance when determining the effect of planned measures on the occurrence of groundwater levels that are too low or too high,...
conference paper 2017
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Smits, M.W.M. (author)
The most fundamental struggle for realizing a sustainable built environment still lies in the use of non-renewable resources in its articulation. Although effort has been taken to increase the use of sustainable materials (bio based, C2C, etc.) the vast majority of the building sector still relies heavily on steel and concrete. This article...
conference paper 2017
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Smits, E.P.T. (author)
Looking back over a period of 10 years of underground works, geotechnical risk management has matured and has definitively contributed to the success of geotechnical projects in Rotterdam. But, what exactly was it that made geotechnical risk management successful? Looking back, and analysing the process, 8 habits of the (geotechnical) risk...
conference paper 2015
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Coenen, R.J. (author), Drenth, S. (author), Smits, T. (author), Veraart, M.L.W. (author)
conference paper 2015
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Smits, J.E.P. (author), Gkaidatzis, R. (author)
The present paper investigates Bio-based fibre-reinforced plastics, used as a load-bearing element of a bridge. We aim to increase the renewable content and decreasing the embodied energy of FRP. To achieve that, the consisting raw materials of these plastics which are based on non-renewable resources, are substituted by alternative less energy...
conference paper 2015
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Lieftink, B. (author), Bos-de Vos, M. (author), Lauche, K. (author), Smits, A. (author)
Business model innovation may be a significant source of competitive advantage and firm performance. New ways of doing business have become increasingly important in the professional service sector. This research specifically focuses on business model innovation by architecture firms, which are suffering from the current financial crisis and...
conference paper 2014
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Smits, J.E.P. (author)
This paper deals with the use of Fibre Reinforced Polymers (FRP's) in architectural and structural bridge design. The challenges and opportunities that come with this relatively new material are discussed. An inventory is made of recent engineers' solutions in FRP, followed by a discussion on architectural application of FRP's derived from the...
conference paper 2014
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Bliemer, M. (author), Raadsen, M. (author), De Romph, E. (author), Smits, E. (author)
conference paper 2013
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Bliemer, M. (author), Raadsen, M. (author), De Romph, E. (author), Smits, E. (author)
Transport planning models are used all over the world to assist in the decision making regarding investments in infrastructure and transport services. Traffic assignment is one of the key components of transport models, which relate travel demand to infrastructure supply, by simulating (future) route choices and network conditions, resulting in...
conference paper 2013
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Smits, E. (author), Bliemer, M.C.J. (author), Verhoef, E. (author), van Arem, B. (author)
Extended abstract. Submitted for the 13th International Conference of the International Association for Travel Behavior Research (July 15-19, 2012)
conference paper 2012
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Smits, E. (author)
Pricing measures (e.g., a kilometre charge or cordon toll) are used to improve the external effects of transportation (e.g., congestion or emissions). This working paper presents a planning model for pricing while taking the preferences and interactions of multiple stakeholders (e.g., governments or public transport operators) into account....
conference paper 2012
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