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This paper reports on results of testruns with experimental grinding tools. The ball shaped tools comprise of abrasive layers with diamond grits, on top of an elastic layer. The tool’s design allows dwell time based corrections on simple and complex shapes, such as spheres and parabolic shapes.

F: Angewandte Naturwissenschaften und Wirtschaftsingenieurwesen

Vortrag

Christian Vogt, S. Sinzinger, Rolf Rascher

A study on elastic grinding tools

Optical Fabrication and Testing (OF&T), Kohala Coast, HI, USA

2014

F: Angewandte Naturwissenschaften und Wirtschaftsingenieurwesen

Beitrag (Sammelband oder Tagungsband)

Christian Vogt, Martin Rohrbacher, S. Sinzinger

Dressing and Selfsharpening of Conventional Tools

Proceedings of the 13th International Conference of the European Society for Precision Engineering & Nanotechnology , Berlin

2013

ISBN: 978-0-9566790-2-4

F: Angewandte Naturwissenschaften und Wirtschaftsingenieurwesen F: Maschinenbau und Mechatronik I: Hochschulleitung und -einrichtungen

Zeitschriftenartikel

Christian Vogt, S. Sinzinger, H. Adelsberger, Roland Maurer, Florian Schneider, R. Mandler, L. Kuepper, Rolf Rascher, Peter Sperber

An Experimental Study on a Flexible Grinding Tool

Advanced Materials Research, vol. 325, pp. 91-96

2011

DOI: 10.4028/www.scientific.net/AMR.325.91

Nachhaltig F: Angewandte Naturwissenschaften und Wirtschaftsingenieurwesen S: TC Teisnach Sensorik

Zeitschriftenartikel

K.-H. Brenner, Maria Kufner, S. Kufner, J. Moisel, A. Müller, S. Sinzinger, M. Testorf, J. Göttert, J. Mohr

Application of three-dimensional micro-optical components formed by lithography, electroforming, and plastic molding

Applied Optics, vol. 3232, no. 92, pp. 6464-6469

1993

DOI: 10.1364/AO.32.006464

Abstract anzeigen

Micro-optics is usually associated with planar waveguides or integrated optical circuits. In this case the propagation of light is restricted to one or two dimensions, and the three-dimensional nature of light propagation is disregarded. We present a method of fabricating three-dimensional micro-optical components by the so-called LIGA process, a lithography, electroforming, and plastic molding process in which poly(methyl methacrylate) is structured by high-energy synchrotron radiation. We demonstrate an experimental system of image formation that uses microprisms and microlenses for a three-dimensional microintegration of optical components.

Nachhaltig F: Angewandte Naturwissenschaften und Wirtschaftsingenieurwesen S: TC Teisnach Sensorik

Beitrag (Sammelband oder Tagungsband)

K.-H. Brenner, M. Frank, Maria Kufner, S. Kufner, J. Moisel, A. Müller, S. Sinzinger, M. Testorf, J. Göttert, J. Mohr

Microoptical setup with microlenses and microprisms based on refractive optics

Proceedings of SPIE Vol. 1806: Optical Computing

1992

Nachhaltig F: Angewandte Naturwissenschaften und Wirtschaftsingenieurwesen S: TC Teisnach Sensorik

Beitrag (Sammelband oder Tagungsband)

K.-H. Brenner, Maria Kufner, S. Kufner, S. Sinzinger, M. Testorf

Application of diffusion and photo- sensitizing techniques in PMMA to optical interconnects

Proceedings of SPIE Vol. 1319: Optics in Complex Systems

1990

DOI: 10.1117/12.22159

Abstract anzeigen

A new technique for the three dimensional integration of optical components is presented. It is based on diffusion techniques and photoinitiated polymerization. Initial experimental results demonstrate the feasibility and efficiency. DIFFUSION jQ PHOTOINITIATED POLYMERISA11ON We want to combine diffusion with photoinitiated polymerization in order to form passive elements which are necessary for three dimensional integration of optical components for microoptical systems1''2. The production of optical elements by photopolymerization consists of two main steps. First the PMMA is sensitized to ultraviolet light by diffusing a photoinitiator into the substrat. Then the exposure by UV light causes an increase in the thickness and in the refractive index. The structuring can be achieved either by local diffusion and global exposure for stabilization or by global diffusion and local exposure. In the first case metal-masks for the diffusion process are necessary whereas in the second case photo-masks can be used. OPTICAL INTERCONNECFION For realizing a flexible optical interconnection plate3''4 the necessary functions are: light collimation light deflection and beam splitting. Collimation can be achieved by microlenses. For deflection we use a miniaturized prism. For beam splitting an index grating can be used. The components are integrated within a planar PMMA plate. EXPERIMENTAL RESULTS By measuring the phase profile of diffused lenses and prisms we demonstrated that phase shifts of several wavelengths can be achieved by polymerization and diffusion techniques. The main effect results from the

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