Titel: Advanced laser micro-structuring of super-large-area optical films
Autor/-in: Boehlen, Karl L.
Stassen Böhlen, Ines B.
Allott, Ric M.
Erschienen in: Proceedings / SPIE
Tagungsband: Micromachining Technology for Micro-Optics and Nano-Optics III
Band(Heft): 5720
Seiten: 204
Seiten bis: 212
Angaben zur Konferenz: MOEMS-MEMS Micro and Nanofabrication, San Jose, United States, 22-27 January 2005
Verlag / Hrsg. Institution: International society for optical engineering
Erscheinungsdatum: 2005
Lizenz (gemäss Verlagsvertrag): Lizenz gemäss Verlagsvertrag
Art der Begutachtung: Peer review (Abstract)
Sprache: Englisch
Schlagwörter: Laser micro machining; High precision processing; Micro-lens array; Super large area processing
Fachgebiet (DDC): 621.3: Elektrotechnik und Elektronik
Zusammenfassung: A novel laser micro-machining technique to produce high density micro-structures called Synchronized Image Scanning (SIS) was introduced a couple of years ago. Over this period of time, the technique was refined in a major effort to meet the needs of various industries. There is an increasing demand for micro-structuring of large and super large area optical films, e.g. for Rear Projection TV, anti counterfeit packaging material and 3D displays. Especially in the display industry, where the screens are ever increasing in size, established micro-structuring methods like e-beam milling, diamond turning or the reflow technique struggle to keep up with the development. This paper explains how it is possible to direct laser etch hundreds of millions of lenses into a 2 m x 1.5 m substrate. It looks at the advances made in SIS in recent years regarding seam reduction, overall accuracy and precision when structuring super large area optical films, and it presents the tools and subsystems needed to generate the features in those films. Furthermore, the potential of this exciting laser micro-machining technique for rapid prototyping for all sorts of optical and non-optical structures is mapped out.
Departement: School of Engineering
Organisationseinheit: Institut für Angewandte Mathematik und Physik (IAMP)
Publikationstyp: Konferenz: Paper
DOI: 10.1117/12.599396
ISSN: 0277-786X
URI: https://digitalcollection.zhaw.ch/handle/11475/16452
Enthalten in den Sammlungen:Publikationen School of Engineering

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