The International Symposium on Ultra Clean Processing of Semiconductor Surfaces (UCPSS) is a biannual event. The next edition will be held in Brugge, Belgium. The symposium aims to increase understanding of ultra-clean processing and surface preparation technology in the fabrication of ICs, bioelectronics devices, and PV-modules. The conference includes invited presentations, contributed presentations, and posters. It is a world-class forum in wafer cleaning and related technology, providing an opportunity to stay updated on the subject.