RhySearch promotes innovation through networking and knowledge transfer between regional high-tech companies and research institutions - also for Hilti.

Dr. Andreas Bong,
Head Corporate Research & Technology Hilti AG

Our employees are recognized experts in their field and regularly publish scientific work in the form of papers, presentations and lectures.

In addition, we support students who are interested in writing their study, bachelor or master thesis in the field of precision manufacturing.

Below you will find a selection of publications.

Publications 2024

W. Freeden, M. Zuhair Nashed, M. Schreiner. Chapter: Multiscale Tree Sampling Regularization of Inverse Spherical Pseudodifferential Equations. Sampling, Approximation, and Signal Analysis. pp469-519. Part of the book series: Applied and Numerical Harmonic Analysis ((ANHA)). doi.org/10.1007/978-3-031-41130-4_18

More information 

Herbe, A., Estermann, Z., Holzwarth, V., & vom Brocke, J. (2024). How to effectively use distributed ledger technology in supply chain management? International Journal of Production Research62(7), 2522–2547. doi.org/10.1080/00207543.2023.2218947

more information →


Publications 2023

S. Schwyn Thöny, M. Bärtschi, M.Batzer, M. Baselgia, S.Waldner, M.Steinecke, H.Badorreck, A. Wienke, M.Jupé. Magnetron sputter deposition of Ta2O5-SiO2 quantized nanolaminates.Optics Express, Vol. 31, Issue 10, pp. 15825-15835, (2023). doi.org/10.1364/OE.487892

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T. Gischkat, D. Schachtler, F. Steger, Z. Balogh-Michels, B. Vetsch, T. Strüning, J. Birkhölzer, M. Michler, Ch. Mühlig, S. Schwinde, M. Trost, S. Schröder, A. Borzi, A. Neels. Low-temperature ion beam sputtered optical coatings. Applied Optics, Vol. 62, Issue 7, pp. B195-B201 (2023), doi.org/10.1364/AO.480089

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S. Widmer et al., "Design of Time-Encoded Spiking Neural Networks in 7-nm CMOS Technology," in IEEE Transactions on Circuits and Systems II: Express Briefs, vol. 70, no. 9, pp. 3639-3643, Sept. 2023, doi: 10.1109/TCSII.2023.3277784. 

more information 


J. Gisler, D. Dedic, V. Holzwarth,  A. Kunz (2023). Work-in-Progress—Effects of Attention Guidance on Virtual Reality Training for an Industrial Assembly Task. Immersive Learning Research - Academic1(2), 115–122. doi.org/10.56198/ZH3JOA4QX

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A Ribeaud, J Pistner, M Soulier, J Lumeau, L Gallais, R Benz, C Sturzenegger, B Eiermann, C.Mühlig, T.GIschkat, S. Schröder, Study of high-performance IBS coatings for near-IR laser applications, Proc. SPIE 12726, Laser-Induced Damage in Optical Materials 2023, 1272605 (24 November 2023); doi.org/10.1117/12.2685243 

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Groeb M., Hybrid laser and subtractive machining of reaction bonded silicon carbide, Proceedings of 15th Lamdamap International Conference, Edinburgh, 14-15. März 2023. www.euspen.eu/knowledge-base/LAM23106.pdf

more information 

Publications 2022

V. Beladiya, T. Faraz, P. Schmitt, A. Munser, S. Schröder, S.Riese, C. Mühlig, D. Schachtler, F. Steger, R. Botha, F. Otto, T. Fritz, C.van Helvoirt, W.M.M. Kessels, H. Gargouri, and A. Szeghalmi; Plasma-Enhanced Atomic Layer Deposition of HfO2 with Substrate Biasing: Thin Films for High-Reflective Mirrors. ACS Applied Materials & Interfaces 2022 14 (12), 14677-14692, https://doi.org/10.1021/acsami.1c21889

Buhmann, M., Carelli, E., Egger, C. et al. Point cloud based tool path generation for corrective machining in ultra-precision diamond turning. Int J Adv Manuf Technol 120, 6891–6907 (2022). doi.org/10.1007/s00170-022-09033-2


V. Holzwarth, C. Hirt, J. Gisler, A. Kunz (2022). Virtual Reality Extension for Digital Twins of Machine Tools. In: West, S., Meierhofer, J., Mangla, U. (eds) Smart Services Summit. Progress in IS. Springer, Cham. doi.org/10.1007/978-3-030-97042-0_8


R. Roth, R. Weber, J. Zanolari, K. Ramadani, Spierings A., Pavlica-Patigler M., Parameter study on distortion during precision turning of additive manufactured half shells in Invar, CIRP Industrial Technical Paper, 2022


O. Fähnle, Y. Steimer, H. Surberg, N.Sass, M. Buhmann, T. Liebrich, Development of a methodology for evaluating the process window of ductile machining for brittle-hard materials; EPJ Web Conf., 266 (2022) 03007; https://doi.org/10.1051/epjconf/202226603007


Liebrich T., Buhmann M., Marxer M., In-process measurement for precision manufacturing of optical components, Proceedings of Precision Photonic Systems Conference, 2022. http://zenodo.org/record/254495


T. Gischkat, D. Schachtler, F. Steger, Z. Balogh-Michels, R. Botha, B. Vetsch, T. Strüning, J. Birkhölzer, M. Michler, C. Mühlig, S. Schwinde, M. Trost, S. Schröder, A. Borzi, and A. Neels, "Low Temperature Ion Beam Sputtered Optical Coatings," in Optical Interference Coatings Conference (OIC) 2022, R. Sargent and A. Sytchkova, eds., Technical Digest Series (Optica Publishing Group, 2022), paper  ThC.6., ttps://doi.org/10.1364/OIC.2022.ThC.6

Publications 2021

Bärtschi M., Schachtler D., Schwyn-Thöny S., Wittwer V. J., Südmeyer T., Botha R., The influence of plasma source power on the properties of magnetron sputtered Ta2O5 thin films, Proceedings of the European Optical Society Annual Meeting, September 2021.


Z. Balogh-Michels, I. Stevanovic, A. Borzi et al. Crystallization behavior of ion beam sputtered HfO2 thin films and its effect on the laser-induced damage threshold. J. Eur. Opt. Soc.-Rapid Publ. 17, 3 (2021). doi.org/10.1186/s41476-021-00147-w


M. Bärtschi, D. Schachtler, S. Schwyn-Thöny, T. Südmeyer, R. Botha (2021). Investigation of the influence of plasma source power on the properties of magnetron sputtered Ta2O5 thin films. In EPJ Web of Conferences (Vol. 255, p. 03005). EDP Sciences. https://doi.org/10.1051/epjconf/202125503005


M. Buhmann, T. Liebrich, R. Roth, L. Gloor, K. Wegener (2021). Alignment, calibration and data post‐processing for on‐machine metrology on ultra‐precision diamond turning machines. In Proceedings of the 21st International Conference of the European Society for Precision Engineering and Nanotechnology, EUSPEN 2021 (pp. 273-276). European Society for Precision Engineering and Nanotechnology. Buhmannetal._2021_Alignmentcalibrationanddatapost‐processing(2).pdf (ethz.ch)


H. Cattaneo, D. Schachtler, R. Botha and O. Fähnle, SSD detection on LIDT tested coated Fused Silica samples, EPJ Web Conf., 255 (2021)  03009, https://doi.org/10.1051/epjconf/202125503009


T. Gischkat, M. Döbeli, A. Bächli, R. Botha, Z. Balogh-Michels (2021). Influence of Ar-impurities on the wettability of IBS-deposited Y2O3 thin films. Applied Surface Science568, 150880. https://doi.org/10.1016/j.apsusc.2021.150880


V. Gorobets, V. Holzwarth, C.Hirt, N. Jufer, A.Kunz  (2021). A VR-based approach in conducting MTM for manual workplaces. The International Journal of Advanced Manufacturing Technology117, 2501-2510.) https://link.springer.com/content/pdf/10.1007/s00170-021-07260-7.pdf


J. P. Handali, J. Schneider, M. Gau, V. Holzwarth, J. v. Brocke, Visual Complexity and Scene Recognition: How Low Can You Go?, 2021 IEEE Virtual Reality and 3D User Interfaces (VR), Lisboa, Portugal, 2021, pp. 286-295, http://dx.doi.org/10.1109/VR50410.2021.00051


Holzwarth V., Gisler J., Hirt C., Kunz A., Comparing the Accuracy and Precision of SteamVR Tracking 2.0 and Oculus Quest 2 in a Room Scale Setup, Proceedings: ICVARS 2021, Melbourne, VIC, Australia, 20.–22. März, 2021. https://doi.org/10.1145/3463914.3463921


Holzwarth, V., Schneider, J., Handali, J. et al. Towards estimating affective states in Virtual Reality based on behavioral data. Virtual Reality 25, 1139–1152 (2021). doi.org/10.1007/s10055-021-00518-1

Holzwarth, V., Steiner, S., Schneider, J., vom Brocke, J., Kunz, A. (2021). BIM-Enabled Issue and Progress Tracking Services Using Mixed Reality. In: West, S., Meierhofer, J., Ganz, C. (eds) Smart Services Summit. Progress in IS. Springer, Cham. doi.org/10.1007/978-3-030-72090-2_5

J. Gisler, V. Holzwarth, C. Hirt and A. Kunz, "Work-in-Progress-Enhancing Training in Virtual Reality with Hand Tracking and a Real Tool," 2021 7th International Conference of the Immersive Learning Research Network (iLRN), Eureka, CA, USA, 2021, pp. 1-3, doi: 10.23919/iLRN52045.2021.9459332.

E. Nonino, J. Gisler, V. Holzwarth, C. Hirt and A. Kunz, "Subtle Attention Guidance for Real Walking in Virtual Environments," 2021 IEEE International Symposium on Mixed and Augmented Reality Adjunct (ISMAR-Adjunct), Bari, Italy, 2021, pp. 310-315, doi: 10.1109/ISMAR-Adjunct54149.2021.00070.

Thoeny, S. S., Schachtler, D., Waldner, S., Frei, T., Baertschi, M. (2021, September). Pre-production simulation of optical monitoring combining monochromatic and broadband monitoring strategies. In Advances in Optical Thin Films VII (Vol. 11872, pp. 100-106). SPIE.

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