Environmental & Reliability Engineering

New products and technologies have to comply with an increasing range of strict specifications, and at the same time have to be cost-efficient and environmentally friendly. The Department Environmental and Reliability Engineering supports technological developments until they reach market maturity with environmental and reliability analysis reaching from nano-characterisation level to evaluation and optimisation at the system level. Under the leadership of Dr. Nils F. Nissen, a unique combination is achieved between the established cross-sectional specialist fields of reliability and sustainability.

In view of worldwide extending markets and limited resources, every new generation of products and technologies must generate more functionality and assured reliability while consuming fewer resources. Without adequate reliability, the commercial success of an application is anyway endangered, and at the same time the environmental impact of typically production-intensive microelectronics increases furtherby premature failures or the need for replacements. Sustainable electronic technologies must therefore be reliable and have a low environmental impact.

Key research areas

Key Research Areas

 

Materials Characterization and Modeling

A comprehensive thermo-mechanical reliability assessment of complex electronic systems in the micro/nano range requires extensive experimental...
 

Reliability: simulation, test and optimization

Thermomechanicallife-time models are required for a simulation-based "Design for Reliability". The basis is provided by combined, accelerated stress tests in combination with simulations and modern analysis and optimisation processes.

 

Application-specific system evaluation

The reliability of electrical, electronic and mechatronic systems require a comprehensive consideration of products, production processes and business processes. Therefore expertise and management knowledge need to be applied, together with suitable management tools/methodologies.

 

Corrosion, electrochemical migration, moisture diffusion

Investigate moisture-based failures of electronics such like corrosion or migration damage.

 

Condition monitoring of electronics

The prediction and calculation of failure rates and lifetimesof electronic systems due to ageing and overload requires a top-down evaluation of the reliability of entire systems. The system includesthe superordinate system, sub-systems, the components and connection technologies.Therefore it is necessary to take the environmental conditions and intrinsic interactions into account.

 

EcoDesign and circular technologies

Step by step towards sustainable innovation within the ICT value chain.

 

Environmental assessment for electronic systems

The Environmental evaluation and eco-design group is working on the methodology of the evaluation and environmental optimisation of electronic products.

 

Environmental Legislation: RoHS, WEEE, EcoDesign

The requirements of environmental legislation can place considerable demands on product development, but they can also open up market opportunities for forward-looking companies.

 

Optimization, monitoring of mechatronic systems with a digital twin

The use of a digital twin of mechatronic systems enables design optimizations, virtual tests and validations during the development phase as well as continuous monitoring during operation. By integrating trustworthy data sources, the the- oretical behavior of the digital twin or the assembly-specific digital fingerprint is analyzed and compared with the real application.

More information

Projects of the Department of Environmental and Reliability Engineering

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