Research & Development-SaltEtch - Plant Apparatus Tank Welding Construction

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Research & Development

Design of a modular structured plant construction for glass etching based reducing molten salts (SaltEtch)
Stühff Maschinen- und Anlagenbau GmbH
Holger H. Stühff
Mercatorstraße 53
21502 Geesthacht
Fon: +49 4152 88 55 950
Project term
1. May 2017 to 31. January 2020
Project Management Agency
Karlsruhe Project Management Agency (PTKA)

Etching of glass components on basis of reducing molten salts

Processing glass fibres is a basic technology to manufacture both passive and active optical components. Main applications of these components are optical communication networks as well as sensor elements. The optical fiber technology is a field of ever-growing significance for communication and sensors. An important technology to produce fiber optical components and actually state of the art is etching glass fibres with hydrofluoric acid. However, that technology limits the surface structuring in the micrometer range as well as the component reliability and additionally requires high safety measures. A quality leap could be the development of a new production process for glass fibers on the basis of molten salts. Currently, there is no adequate industrial-suited plant technology, which could provide glass components etched by molten salts in a sufficient quantity viable on a worldwide mass scale. The objective of the SME innovative project is therefore the design of a plant technology for etching glass based on molten salts.


Projectpartner and -tasks

Stühff Maschinen- und Anlagenbau GmbH, Geesthacht
Plant design: Development of the plant technology, the industrial manufacturing process and the process controller for the plant periphery

Fraunhofer Institute for Reliability and Microintegration IZM, Berlin
Research institute: Development of the procedural basics of the etching process and the model-based process control

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