MIRROR ELEMENTS FOR EUV LITHOGRAPHY AND PRODUCTION METHODS THEREFOR
    3.
    发明申请
    MIRROR ELEMENTS FOR EUV LITHOGRAPHY AND PRODUCTION METHODS THEREFOR 有权
    镜像的镜像元素及其生产方法

    公开(公告)号:US20120327384A1

    公开(公告)日:2012-12-27

    申请号:US13531315

    申请日:2012-06-22

    Inventor: Wilfried CLAUSS

    Abstract: A method for the production of a mirror element (10) that has a reflective coating (10a) for the EUV wavelength range and a substrate (10b). The substrate (10b) is pre-compacted by hot isostatic pressing, and the reflective coating (10a) is applied to the pre-compacted substrate (10b). In the method, either the pre-compacting of the substrate (10b) is performed until a saturation value of the compaction of the substrate (10b) by long-term EUV irradiation is reached, or, for further compaction, the pre-compacted substrate (10b) is irradiated, preferably homogeneously, with ions (16) and/or with electrons in a surface region (15) in which the coating (10a) has been or will be applied. A mirror element (10) for the EUV wavelength range associated with the method has a substrate (10b) pre-compacted by hot isostatic pressing. Such a mirror element (10) is suitable to be provided in an EUV projection exposure system.

    Abstract translation: 一种用于生产具有用于EUV波长范围的反射涂层(10a)的反射镜元件(10)的方法和一种基板(10b)。 基板(10b)通过热等静压进行预压实,并将反射涂层(10a)施加到预压实的基板(10b)上。 在该方法中,进行基板(10b)的预压实,直到达到通过长期EUV照射的基板(10b)的压实的饱和值,或者为了进一步压缩,预压实基板 (10b)在涂层(10a)已经或将被施加的表面区域(15)中与离子(16)和/或电子被优选均匀地照射。 用于与该方法相关联的EUV波长范围的镜元件(10)具有通过热等静压预压制的基底(10b)。 这种镜子元件(10)适合于设置在EUV投影曝光系统中。

    SUBSTRATES AND MIRRORS FOR EUV MICROLITHOGRAPHY, AND METHODS FOR PRODUCING THEM
    4.
    发明申请
    SUBSTRATES AND MIRRORS FOR EUV MICROLITHOGRAPHY, AND METHODS FOR PRODUCING THEM 审中-公开
    用于EUV微结构的基板和反射镜及其生产方法

    公开(公告)号:US20120212721A1

    公开(公告)日:2012-08-23

    申请号:US13399615

    申请日:2012-02-17

    CPC classification number: G03F7/70958 G02B1/12 G02B5/0891

    Abstract: Mirrors having a reflecting coating for the EUV wavelength region and a substrate. A surface region of the substrate extends uniformly below the reflecting coating along this coating and, seen from the surface of the substrate, has a depth of down to 5 μm. Here, this surface region has a 2% higher density than the remaining substrate. Also disclosed are substrates that likewise have such surface regions and methods for producing such mirrors and substrates having such surface regions by irradiation using ions or electrons.

    Abstract translation: 具有用于EUV波长区域的反射涂层的反射镜和基板。 衬底的表面区域沿着该涂层均匀地延伸到反射涂层的下方,并且从衬底的表面看,其深度为5μm。 这里,该表面区域的密度比剩余的基板高2%。 还公开了同样具有这样的表面区域的基板和通过使用离子或电子照射来制造这种反射镜和具有这种表面区域的基板的方法。

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