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Article
Investigation of polymer inserts as prototy** tooling for micro injection moulding
An increasing number of microfluidic applications linked with a strong demand for low-cost solutions has pushed research activities towards the development of polymer-based microfluidic systems. This requires ...
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Article
Sub-μm structured lotus surfaces manufacturing
Sub-μm structured surfaces allow modifying the behavior of polymer films or components. Especially in micro-fluidics a lotus-like characteristic is requested for many applications. Structure details with a hig...
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Article
Replication technologies for HARM devices: status and perspectives
Replication processes offer a number of considerable advantages for the production of micro components. This is not limited to the high economic efficiency achieved by numerous multiplications of master struct...
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Article
Modeling of large area hot embossing
Today, hot embossing and injection molding belong to the established plastic molding processes in microengineering. Based on experimental findings, a variety of microstructures have been replicated so far usin...
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Article
Hot embossing of microstructures: characterization of friction during demolding
Today, hot embossing and injection molding belong to the established plastic molding processes in microengineering. Based on experimental findings, a variety of microstructures have been replicated so far usin...
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Article
Replication and bonding techniques for integrated microfluidic systems
From the technical and economic points of view, systems integration, and packaging represent a crucial step in the production of microsystems. Compared to purely silicon- or glass-based systems, the variety of...
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Article
Modeling and optimization of the hot embossing process for micro- and nanocomponent fabrication
Hot embossing, a polymer molding process conceived by Forschungszentrum Karlsruhe, is one of the established replication processes for microstructures The process is especially well suited for manufacturing sm...
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Article
Large-scale hot embossing
The hot embossing process is a flexible molding technique to produce delicate microstructures with high aspect ratios on thin layers. Large-scale hot embossing is one effective way to meet future requirements ...
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Article
New aspects of simulation in hot embossing
Hot embossing is especially well suited for manufacturing small and medium-volume series. However, wider diffusion of this process currently is seriously hampered by the lack of adequate simulation tools for p...
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Article
New aspects of simulation in hot embossing
Hot embossing is especially well suited for manufacturing small and medium-volume series. However, wider diffusion of this process currently is seriously hampered by the lack of adequate simulation tools for p...
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Article
Microfabrication of single-use plastic microfluidic devices for high-throughput screening and DNA analysis
Modern drug discovery and genomic analysis depend on rapid analysis of large numbers of samples in parallel. The applicability of microfluidic devices in this field needs low cost devices, which can be fabric...
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Chapter and Conference Paper
Polymer Micro Needles with Through-Going Capillaries
Removal or exact transfer of minimum substance volumes from reservoirs or micro fluidic systems (e.g. lab-on-a-chip systems) may be accomplished by using miniaturized tips with integrated through-going capilla...
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Chapter and Conference Paper
Fabrication of Disposable Plastic Microplates with 96 Integrated Microfluidic Capillary Electrophoresis (CE) Structures for High Throughput Screening (HTS)
A novel microfluidic platform based on a standard microtiter plate has been developed by the Greiner Bio-One company and the Forschungszentrum Karlsruhe in Strategic cooperation. Instead of 96 wells, this nove...
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Article
Reactive ion etching for the production of metal microstructures by hot embossing
A reactive ion etching process which has been developed in order to remove the residual polymer layer, that remains at the bottom of microstructures made by hot embossing, is described. The influence of param...
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Article
Hot embossing - The molding technique for plastic microstructures
Hot embossing is the technique to fabricate high precision and high quality plastic microstructures. Industrial fabrication of plastics components is normally achieved by injection molding. Hot embossing is a...
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Article
Multi-functional valve components fabricated by combination of LIGA processes and high precision mechanical engineering
The advantage of thermoplastic molding as a convenient method for fabricating large quantities of microstructures is restricted by the possibilities and the necessary efforts for structuring the required mold...
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Article
Technology for movable microstructures - Transfer of laboratory processes to industrial production
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Article
Fabrication of LIGA-Acceleration Sensors by Aligned Molding
A technology for the fabrication of movable LIGA-Microstructures by molding was developed, which enables the cheaper production of e.g. LIGA-Acceleration Sensors [1]. For this purpose an aligned molding proce...
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Article
Fabrication of LIGA-acceleration sensors by aligned molding
A technology for the fabrication of movable LIGA-Microstructures by molding was developed, which enables the cheaper production of e.g. LIGA-Acceleration Sensors [1]. For this purpose an aligned molding proces...
