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This paper gives a survey of the measures and the resulting improvements of IGBT module reliability reached by eupec during the introduction of IGBT high power modules. The points of improvement are in the areas of: bonding; base plate; partial discharge; and chip characteristics.
An essential operation in model-driven engineering is composition of models and their metamodels. There exist several mechanisms for model composition. However, most of these only consider composition of either models or metamodels and not both kinds of models simultaneously, and do not address how the composition impacts modelling artefacts like editors,… (More)
In this paper, we present two examples of photonic sensors based on ring resonators in Silicon-on-Insulator (SOI) waveguide technology as mass production compatible sensing units for the measurement of: strain, and ultrasound. Furthermore, the sensing units are characterized in extreme conditions to validate their robustness in harsh industrial… (More)
Domain-Specific Languages (DSLs) allow modelling concerns at a high abstraction level. This simplifies the modelling process and ensures that non-technical stakeholders can be more closely involved in software development. However, increasing the abstraction level causes details of the problem domain to be excluded from the problem space. In some… (More)
In model-driven engineering, models are considered first-class entities. Model-driven engineering has been around for over a decade. Still, there has not been much work on how to type models or metamodels, which is important to realise true model-driven software development. In this paper, we discuss how a metamodel can be typed by means of an enclosing… (More)