Publisher and editor

ETG Entwicklungs- und Technologie Gesell­schaft mbH Ilmenau
Am Eichicht 1A
D-98693 Ilmenau
Telefon: (0 36 77) 46 12 - 0
Telefax: (0 36 77) 46 12 - 29


Dipl.-Ing. Fred Geißler

Registered in the commercial register at the Jena district court
HRB: 301471
USt-Id.-Nr.: DE 150926897


Dipl.-Ing. Fred Geißler
Analytik Jena AG


§1 Warn notices to contents

The free and freely accessible content of this website was created with the greatest possible care. However, the provider of this website does not guarantee that the information provided is correct or up to date. Simply by calling up the free and freely accessible content, no contractual relationship is established between the user and the provider, insofar as the provider lacks the will to be legally bound.

§2 External links

This website contains links to websites of third parties ("external links"). These websites are the responsibility of the respective operators. When the external links were first linked, the provider checked the third-party content for any legal violations. At that time, no legal violations were apparent. The provider has no influence on the current and future design and content of the linked pages. The setting of external links does not mean that the provider adopts the content behind the reference or link as his own. Constant monitoring of the external links is not reasonable for the provider without concrete evidence of legal violations. If we become aware of legal violations, such external links will be deleted immediately.

§3 Copyright and ancillary copyright law

The content published on this website is subject to German copyright and ancillary copyright law. Any use not permitted by German copyright and ancillary copyright law requires the prior written consent of the provider or the respective rights holder. This applies in particular to the duplication, editing, translation, storage, processing or reproduction of content in databases or other electronic media and systems. Contents and rights of third parties are marked as such. The unauthorized duplication or distribution of individual content or complete pages is not permitted and is a criminal offense. Only the production of copies and downloads for personal, private and non-commercial use is permitted.
The presentation of this website in external frames is only permitted with written permission.

§4 Special terms of use

Insofar as special conditions for individual uses of this website deviate from the aforementioned paragraphs, this is expressly pointed out at the appropriate point. In this case, the special terms of use apply in each individual case.

Concept, design and implementation

LieDesign GbR
Meininger Straße 152
D-98529 Suhl
© LieDesign, Suhl, 2020 – 2023

Photo credit

© Dr. Matthias Liensdorf
© Paulista, Adobe Stock, #178323751
© Darren Baker, Adobe Stock, #329822271