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  • 1995-1999  (2)
  • 1
    Electronic Resource
    Electronic Resource
    Ta2O5 thin-films deposited by off-axis and on-axis pulsed laser deposition techniques (1999)
    Springer
    Applied physics 69 (1999), S. S609 
    Details
    ISSN: 1432-0630
    Keywords: PACS: 81.15.F; 77.55; 77.84.D
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract. The crystalline properties of Ta2O5 thin films deposited by an off-axis aperture-installation-type pulsed laser deposition technique are investigated and the results are compared with the results for films deposited by the conventional on-axis technique. No significant difference in the substrate temperature dependence is seen between films deposited on-axis or off-axis at a pulse repetition frequency of 30 Hz. When the repetition frequency is lowered, the degree of c-axis orientation is increased in both films. This tendency is more pronounced in the off-axis films. Therefore it is found that the off-axis aperture-installation-type pulsed laser deposition technique is effective not only for decreasing the density of droplets, but also for obtaining more highly c-axis-oriented crystalline films.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s003390051487
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Synthesized surface anatomy scanning (SSAS) for surgical planning of brain metastasis at the sensorimotor region: Initial experience with 5 patients (1996)
    Springer
    Acta neurochirurgica 138 (1996), S. 290-293 
    Details
    ISSN: 0942-0940
    Keywords: Surface anatomy scanning ; brain metastasis ; surgical planning
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Surface anatomy scanning (SAS) is a powerful technique that uses T2-weighted magnetic resonance images (MRI) to visualize brain surface structures, and to precisely localize subcortical lesions. To overcome technical limitations of this method, synthesized SAS (SSAS) superimposes MR angiography (MRA) data on the SAS images. We describe our initial experience with surgical planning for the resection of metastases at the sensorimotor region in 5 patients using SSAS. Neurological deficits were assessed before and after surgical resection. Although 4 of 5 patients had mild to severe neurological deficits before surgery, three became symptom-free and no patient had an increased deficit after surgery. Our results undoubtedly provide palliative surgery for sensorimotor metastases. As SSAS is non-invasive and requires a short scanning time, this method could become a useful technique for the routine pre-operative simulation for surgery on brain surface lesions such as sensorimotor metastases.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01411739
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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