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CO2 cleaning technology for cleaning micro-/nanostructured inserts: The IMPRESS FP7 project

: Kaller, Stefan; Rochowicz, Markus; Steglich, Doreen

Preprint urn:nbn:de:0011-n-2263790 (484 KByte PDF)
MD5 Fingerprint: 5546d631091e5a63dc773410debcee6e
Erstellt am: 1.2.2013

Noll, Humbert (Chairman) ; 4M Association:
9th International Conference on Multi-Material Micro Manufacture, 4M 2012. Proceedings. CD-ROM : 9th - 11th October 2012, Vienna, Austria
Singapore: Research Publishing, 2012
ISBN: 978-981-07-3353-7
ISBN: 978-981-07-3354-4
International Conference on Multi-Material Micro Manufacture (4M) <9, 2012, Vienna>
Konferenzbeitrag, Elektronische Publikation
Fraunhofer IPA ()
IMPRESS; injection moulding; MicroNanoManufacturing Technologies (MNMT); nanotechnology; CO2-Cleaning; CO2-Schnee; CO2-Reinigung; Fertigung; Spritzgießen

As part of the seventh framework program, the IMPRESS project focuses on the development of a technological injection molding platform for the serial production of plastic components with incorporated micro- or nano-scale functional features. The platform is based on the acquisition of up-to-date, highly advanced facilities/information based on three main modules, each being a tool box made up of several building blocks. One of the blocks is the CO2 cleaning technology for cleaning micro-/nano-structured inserts. Requirements regarding cleaning processes for such injection-molding tools, i.e. ensuring the reliable and gentle removal of particulate and filmy contamination in the micro- and nanometer range, are fulfilled using the CO2 snow cleaning method. The development of an innovative CO2 nozzle technology combined with a highly-clean compact media supply unit for the cleaning gases enables automated, robot-controlled cleaning directly in the opened mold. Depending on cleaning requirements, this means that injection-molding inserts no longer have to be removed with the result that cleaning times are shortened and recontamination risks after cleaning minimized.