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  • 1980-1984  (1)
  • 1970-1974  (1)
  • 1984  (1)
  • 1970  (1)
  • Chemistry  (2)
  • Nuclear reactions
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  • 1980-1984  (1)
  • 1970-1974  (1)
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  • 1
    Electronic Resource
    Electronic Resource
    A new method of evaluation of the effect of electron beam and developing process on positive polymeric resists (1984)
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Applied Polymer Science 29 (1984), S. 1427-1432 
    Details
    ISSN: 0021-8995
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: A new method of evalution of the effect of electron beam on the latent changes in degrading polymer resists has been developed on the base of measurement of the developing curve under an interference microscope. An evalution procedure using the unit parameters (film thickness and development time) has been suggested for the characterization of the sensitivity and contrast of resists.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/app.1984.070290435
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Protonierung von Amino- und Hydroxypyrimidinen NMR-Spektren und Strukturen der Mono- und DikationenProtonenresonanzspektren von Pteridinen, VII. Mitteilung VI vgl. [1]. (1970)
    New York, NY : Wiley-Blackwell
    Helvetica Chimica Acta 53 (1970), S. 299-320 
    Details
    ISSN: 0018-019X
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Proton-NMR. spectra of amino- and hydroxypyrimidines including biologically important bases have been measured in four solvents: CF3COOH, CF3COOH—SO2, FSO3H and FSO3H—SbF5-SO2 at 27° and -55°C. In CF3COOH mono-cations are formed, whereas in FSO3H and FSO3H—SbF5-SO2 double protonation occurs. In each case the structures of the protonated species are derived from the chemical shifts of CH, NH and OH protons and proton-proton spin coupling constants. A combination of the measurements described leads to a complete assignment of all proton resonances of the protonated pyrimidines. This approach is also recommended for the structural determination of heterocyclic compounds.
    Additional Material: 7 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/hlca.19700530210
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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