Application-oriented research boosts drive technology: A motor of progress
In the coming years, sectors such as the semiconductor industry, life sciences or biotechnology will continue to grow. Increasing requirements in these sectors often affect supporting tech-nologies. A typical example of this is found in drive technology: Inspection and manufacturing systems in the semiconductor industry, for example, normally use air-bearing technology and magnetic linear motors. However, the requirements for precision will continue to increase up into the nanometer range. Such sys-tems also reach their limits when applications require work in a vacuum or nitrogen atmosphere. This issue has now been taken up by drive specialists, who have already achieved promising results with a new electromagnetic nanopositioning system.
New nanopositioning system based on magnetic levitation(firmenpresse) - When a feeling for markets, competence and teamwork ability come together, the user profits in the end. This is currently being proven by a cooperation of the Karlsruhe-based nanopositioning systems market leader PI (Physik Instrumente) (cf. text box 1), the IMMS (Institut für Mikroelektronik- und Mechatronik-Systeme) and the Department of Mechatronics of Ilmenau University of Technology. The result of their collaboration is a novel nanopositioning system based on the principle of magnetic levitation (figure 1). The platform levitates on a magnetic field that is generated by six coils and is actively monitored via a 6-D sensor. The magnetic field functions as drive and actively guides the platform. The drive and the compact high-resolution measurement system for the six degrees of freedom was developed so that the platform remains passive, in other words no cable connections are necessary. A two-dimensional, optically incremental measurement system records the position with capacitive sensors and serves to control the drive in all axes. In this way, objects can be moved linearly or rotationally on a plane with a pre-viously unattained guiding accuracy. "The current, already quite advanced development study ‘PIMag 6D’ positions with a resolution of 10 nm," Dr. Rainer Gloess, Head of Advanced Mechatronics at PI, is happy to announce (figure 2). "If the system moves on a circular path with a diameter of 100 nm, for example, the maximum deviation from the ideal path is only a few nanometers."
The prototype currently has a motion range of 100 x 100 x 0.15 mm³. Trajectory motions can be carried out at an acceleration of up to 2 m/s2 and a velocity currently of up to 100 mm/s with nanometer precision. The digital motion controller, based on a modular system from PI, can process different geometry files as well as coordinate transformations and offers an optimum basis for a successful new product line.
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Physik Instrumente (PI) in Brief
Over the last four decades, PI (Physik Instrumente) with headquarters in Karlsruhe has developed into the leading manufacturer of nanopositioning technology. The privately managed company with more than 700 employees world-wide is able to fulfill almost any request in the field of innovative precision positioning technology. All key technologies are developed in-house. This means that every phase from design right down to shipment can be controlled: preci-sion mechanics and electronics as well as position sensors and piezo ceramics or piezo actuators. The latter are manufactured by the subsidiary PI Ceramic in Lederhose, one of the global leaders for piezo actuator and piezo sensor products. miCos GmbH in Eschbach near Freiburg, Germany, now is part of the PI group as PI miCos. Its broad product range focusses on flexible positioning systems for ultrahigh vacuum applications as well as parallel-kinematic positioning systems with six degrees of freedom or customized designs.
PRESSCONTACT
Kathrin Mössinger
Marketing Coordinator
Phone +49 721 4846-1810
Fax +49 721 4846-1019
k.moessinger(at)pi.ws
Physik Instrumente (PI)
GmbH & Co. KG
Auf der Roemerstrasse 1
76228 Karlsruhe
Germany
www.pi.ws
Datum: 07.03.2013 - 13:58 Uhr
Sprache: Deutsch
News-ID 236997
Anzahl Zeichen: 2696
contact information:
Contact person: Kathrin Mössinger
Town:
76228 Karlsruhe
Phone: +49 721 4846-1810
Kategorie:
Business News
Typ of Press Release: Produktinformation
type of sending: Veröffentlichung
Date of sending: 07.03.2013
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"Application-oriented research boosts drive technology: A motor of progress"
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