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  • 1
    Electronic Resource
    Electronic Resource
    Microgrippers created in microstructurable glass (1997)
    Springer
    Microsystem technologies 4 (1997), S. 32-34 
    Details
    ISSN: 1432-1858
    Source: Springer Online Journal Archives 1860-2000
    Topics: Electrical Engineering, Measurement and Control Technology , Technology
    Notes: Abstract  In this paper a new microgripper will be presented. The specific feature is the microfabrication based on a UV-lithographic process in microstructurable, photosensitive glass. Technological and manufacturing problems of the gripper will be described. The developed microgripper is actuated by a piezoelectric ceramic (monomorph). Glass microstructures are used as solid state hinges. With the special design of the gripper it is possible to realise a high distance ratio. The deflection of the gripping arms is some hundred micrometers. The gripping forces are a few mN up to 50 mN. The new grippers were fabricated and tested successfully.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s005420050088
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    High aspect ratio structures obtained by electroforming in microstructured glass (1996)
    Springer
    Microsystem technologies 2 (1996), S. 109-113 
    Details
    ISSN: 1432-1858
    Source: Springer Online Journal Archives 1860-2000
    Topics: Electrical Engineering, Measurement and Control Technology , Technology
    Notes: Abstract  The application of glass in the microsystems technology becomes more and more important. Therefore, it is necessary to combine special microstructurable glasses with various other materials (e.g. joining with silicon by anodic bonding, joining with metals by electroforming, joining with polymers by glueing, joining with various other glasses by brazing or diffusion welding). In order to increase the use of glass in the microsystems technology especially four fields of research are important: –development of special glasses with various properties –technologies of microstructuring –technologies of joining –application These four topics are main research fields performed at the Institute of Glass/Ceramics-Technology and will be described in this paper.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s005420050025
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  • 3
    Electronic Resource
    Electronic Resource
    Ein neu entwickelter Verbundgußstahl für auf Verschleiß beanspruchte AnlagenVortrag im Rahmen des Europäischen Symposiums “Neue Werkstoffe für extreme Beanspruchung”, in Frankfurt/M., Dechema-Haus, am 21. Juni 1964. (1965)
    Weinheim [u.a.] : Wiley-Blackwell
    Materials and Corrosion/Werkstoffe und Korrosion 16 (1965), S. 185-189 
    Details
    ISSN: 0947-5117
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: A newly developed compound-cast steel for wear-exposed installationsThe first-ever description is given of the Klöckner compound casting process. Originally employed for the production of rails of composite steel, the method has been developed steel, the method has been developed further for the production of bar steel, plates and special profiles.The compound-casting principle is particularly suited for the use of steels for parts exposed to some results of examinations is followed by the description of certain applications.
    Notes: Es wird das Klöckner-Verbundguß-Verfahren erstmalig beschrieben. Ursprünglich benutzt zur Herstellung von Verbundgußschienen, wurde das Verfahren weiterentwickelt zur Herstellung von Stabstahl, Blechen und Sonderprofilen.Das Verbundgußprinzip ist besonders geeignet für die Verwendung von Stählen bei Verschleißbeanspruchungen. Nach Mitteilung von einigen Untersuchungsergebnissen, werden Anwendungsbeispiele dargestellt und beschrieben.
    Additional Material: 11 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/maco.19650160302
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  • 4
    Electronic Resource
    Electronic Resource
    Synthesen von Indolen mit (2-Aminoäthyl)-, (2-Aminopropyl)-oder Alkanolamin-Seitenketten am Sechsring. 5. Mitt. über synthetische Indol-Verbindungen [1] (1968)
    New York, NY : Wiley-Blackwell
    Helvetica Chimica Acta 51 (1968), S. 1616-1628 
    Details
    ISSN: 0018-019X
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: 4-, 5-, 6- and 7-cyanoindoles are converted in excellent yields into the corresponding formylindoles by sodium hypophosphite/nickel according to the method of BACKEBERG and STASKUN. Condensation of these formylindoles with nitromethane or nitroethane affords the related nitrovinyl-indoles, which are reduced to the aminoalkyl-indoles quoted in the title by means of lithium aluminium hydride.On the other hand, 5-chloroacetyl-indole is aminated by reaction with various secondary amines, and the aminoketones formed are reduced to the corresponding 5-(2-amino-1-hydroxy-alkyl)-indoles. Condensation of 1-acetyl-7-hydroxy-indoline with chloroacetyl chloride according to FRIEDEL-CRAFTS yields the 1-acetyl-4-chloroacetyl-7-hydroxy-indoline, which is transformed into indoline derivatives carrying a 2-amino-1-hydroxyethyl side-chain in position 4.
    Additional Material: 7 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/hlca.19680510717
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