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Wyszukujesz frazę "laser lithography" wg kryterium: Wszystkie pola


Wyświetlanie 1-2 z 2
Tytuł:
Micropatterning of Silicon Surface by Direct Laser Interference Lithography
Autorzy:
Lorens, M.
Zabila, Y.
Krupiński, M.
Perzanowski, M.
Suchanek, K.
Marszałek, K.
Marszałek, M.
Powiązania:
https://bibliotekanauki.pl/articles/1490253.pdf
Data publikacji:
2012-02
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
68.55.-a
81.16.-c
81.65.Cf
Opis:
Direct laser interference lithography is a new and low cost technique which can generate the line- or dot-like periodic patterns over large areas. In the present work, we report on direct fabrication of micrometer structures on Si surface. In the experiments the pulsed high power Nd:YAG laser operating at 1064 nm wavelength was used. Two-beam configuration with an angle of incidence of 40° was employed and different laser fluences up to 2.11 J/$cm^2$ were tested. Areas about 1 cm in diameter have been processed with a single pulse of 10 ns. The laser treated samples were analyzed by atomic force microscopy to investigate the surface topography and to measure the size and depth of the achieved structures. We observed periodic line-like arrays with grating period of the order of 1 μm.
Źródło:
Acta Physica Polonica A; 2012, 121, 2; 543-545
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Optical Diffraction Strain Sensor Prepared by Interference Lithography
Autorzy:
Zabila, Y.
Horeglad, P.
Krupiński, M.
Zarzycki, A.
Perzanowski, M.
Maximenko, A.
Marszałek, M.
Powiązania:
https://bibliotekanauki.pl/articles/1030666.pdf
Data publikacji:
2018-02
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
Strain
direct laser interference patterning
optical strain sensor
diffraction grating
Poisson ratio
Kapton
flexible
optical strain gauge
Opis:
An optical strain sensor was developed for use in stretchable electronics. It consists of a diffraction grating formed directly on the examined surface illuminated by a laser beam which creates interference pattern. This pattern can then be used to determine axial and lateral strains for a uniaxial stress states. Direct laser interference patterning was employed as a fast processing tool for the preparation of micro- and sub-microgratings. Two coherent beams of Nd:YAG laser with 532 nm wavelength and pulse duration of 10 ns were used to selectively remove material from the irradiated sample surface. This technique creates periodic pattern on the metallized surface of polymeric substrates. New sensors formed by direct laser interference patterning method were able to resolve higher order diffraction maxima, which would be of benefit for strain measurement application. Experimental setup for tensile tests was composed of laser probe, the sensor element, and CCD camera. To extract strain values, we analysed acquired interference pattern images in real time software, developed with LabVIEW environment. This kind of contactless strain sensor is suitable for examination of stretchable electronics component for which conventional tensile tests are either not acceptable or can interfere with its normal operation.
Źródło:
Acta Physica Polonica A; 2018, 133, 2; 309-312
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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