ADHESIVE, HERMETIC OXIDE FILMS FOR METAL FLUORIDE OPTICS
    7.
    发明公开
    ADHESIVE, HERMETIC OXIDE FILMS FOR METAL FLUORIDE OPTICS 审中-公开
    ADHÄSIVE,HERMETISCHE OXIDFILMEFÜRDIE METALLFLUORID-OPTIK

    公开(公告)号:EP2300386A1

    公开(公告)日:2011-03-30

    申请号:EP09755234.3

    申请日:2009-05-14

    IPC分类号: C03C13/00 G02B6/00

    摘要: The invention is directed to single crystal alkaline earth metal fluoride optical elements having an adhesive, hermetic coating thereon, the coating being chemically bonded to the surface of the metal fluoride optical element with a bonding energy >4 eV and not merely bonded by van de Walls forces. The materials that can be used for coating the optical elements are selected from the group consisting of SiO
    2 , F-SiO
    2 , Al2O
    3 , F-Al2O
    3 , SiON, HfO
    2 , Si
    3 N
    4 , TiO
    2 and ZrO
    2 , and mixtures (of any composition) of the forgoing, for example, SiO
    2 JHfO
    2 and F-SiO
    2 /ZrO
    2 . The preferred alkali earth metal fluoride used for the optical elements is CaF
    2 . Preferred coatings are SiO
    2 , F-SiO
    2 , SiO
    2 /ZrO
    2 and F-SiO
    2 /ZrO
    2 .

    摘要翻译: 本发明涉及具有粘合剂的单晶碱土金属氟化物光学元件,其上具有气密性涂层,该涂层以金属氟化物光学元件的表面化学键合,键合能量≥4eV,而不仅仅是通过范德华 军队。 可用于涂覆光学元件的材料选自SiO 2,F-SiO 2,Al 2 O 3,F-Al 2 O 3,SiON,HfO 2,Si 3 N 4,TiO 2和ZrO 2,以及前述的任何组成的混合物 ,例如SiO 2; HfO 2和F-SiO 2 / ZrO 2。 用于光学元件的优选碱土金属氟化物是CaF 2。 优选的涂层是SiO 2,F-SiO 2,SiO 2 / ZrO 2和F-SiO 2 / ZrO 2。