ZnSe POLYCRYSTAL AND METHOD OF PRODUCING THE SAME

ZnSe POLYCRYSTAL AND METHOD OF PRODUCING THE SAME

PROBLEM TO BE SOLVED: To provide a ZnSe polycrystal that is high in transmittance of light in the wavelength region of 500-560 nm for the purpose of using a green laser in the optical axis adjustment of an optical system of a carbon dioxide laser, and a method of producing the same.SOLUTION: The oxy...

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Bibliographische Detailangaben
Hauptverfasser: KURISU KENICHI, KYOTANI TATSUYA, YOSHIDA KATSUTO
Format: Patent
Sprache:eng
Schlagworte:
CHEMICAL SURFACE TREATMENT
CHEMISTRY
COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
COATING MATERIAL WITH METALLIC MATERIAL
COATING METALLIC MATERIAL
COMPOUNDS THEREOF
DIFFUSION TREATMENT OF METALLIC MATERIAL
INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a ZnSe polycrystal that is high in transmittance of light in the wavelength region of 500-560 nm for the purpose of using a green laser in the optical axis adjustment of an optical system of a carbon dioxide laser, and a method of producing the same.SOLUTION: The oxygen content of a ZnSe polycrystal is reduced to a predetermined value or less, which makes it possible to increase the transmittance of light in the wavelength region of 500-560 nm and use a green laser in the optical axis adjustment of an optical system of a carbon dioxide laser.