Mirror elements for EUV lithography and production methods therefor
    73.
    发明授权
    Mirror elements for EUV lithography and production methods therefor 有权
    用于EUV光刻及其生产方法的镜面元件

    公开(公告)号:US09238590B2

    公开(公告)日:2016-01-19

    申请号:US14204009

    申请日:2014-03-11

    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。

    HEAT TREATING SILICA-TITANIA GLASS TO INDUCE A Tzc GRADIENT
    75.
    发明申请
    HEAT TREATING SILICA-TITANIA GLASS TO INDUCE A Tzc GRADIENT 审中-公开
    热处理二氧化硅 - 玻璃陶瓷诱导Tzc梯度

    公开(公告)号:US20150239767A1

    公开(公告)日:2015-08-27

    申请号:US14624794

    申请日:2015-02-18

    CPC classification number: C03B32/00 C03B19/1453 C03B25/02 C03B2201/42

    Abstract: A method for forming a Tzc gradient in a silica-titania glass article is provided. The method includes contacting a first surface of the glass article with a surface of a first heating module of a heating apparatus and contacting a second surface of the glass article with a surface of a second heating module of the heating apparatus. The method further includes raising the temperature of the first heating module to a first temperature, raising the temperature of the second heating module to a second temperature, and maintaining the first heating module at the first temperature and the second heating module at the second temperature for a predetermined period of time to form a thermal gradient through the glass article, the first temperature being greater than the second temperature. The method also includes cooling the glass article to form a Tzc gradient through the thickness of the glass article.

    Abstract translation: 提供了一种在二氧化硅 - 二氧化钛玻璃制品中形成Tzc梯度的方法。 该方法包括使玻璃制品的第一表面与加热装置的第一加热组件的表面接触,并将玻璃制品的第二表面与加热装置的第二加热模块的表面接触。 该方法还包括将第一加热模块的温度升高到第一温度,将第二加热模块的温度升高到第二温度,并将第一加热模块保持在第一温度,将第二加热模块保持在第二温度 预定的时间段,以形成通过玻璃制品的热梯度,第一温度大于第二温度。 该方法还包括冷却玻璃制品以通过玻璃制品的厚度形成Tzc梯度。

    METHODS FOR FORMING OPTICAL FIBER PREFORMS WITH SELECTIVE DIFFUSION LAYERS
    78.
    发明申请
    METHODS FOR FORMING OPTICAL FIBER PREFORMS WITH SELECTIVE DIFFUSION LAYERS 审中-公开
    用选择性扩散层形成光纤预制件的方法

    公开(公告)号:US20140174133A1

    公开(公告)日:2014-06-26

    申请号:US14107259

    申请日:2013-12-16

    Abstract: Methods for forming optical fiber preforms are disclosed. According to one embodiment, a method for forming an optical fiber preform includes forming a preform core portion from silica-based glass soot. The silica-based glass soot may include at least one dopant species for altering an index of refraction of the preform core portion. A selective diffusion layer of silica-based glass soot may be formed around the preform core portion to form a soot preform. The selective diffusion layer may have an as-formed density greater than the density of the preform core portion. A diffusing species may be diffused through the selective diffusion layer into the preform core portion. The soot preform may be sintered such that the selective diffusion layer has a barrier density which is greater than the as-formed density and the selective diffusion layer prevents diffusion of the at least one dopant species through the selective diffusion layer.

    Abstract translation: 公开了形成光纤预制棒的方法。 根据一个实施例,用于形成光纤预制棒的方法包括从二氧化硅基玻璃烟炱形成预制芯部分。 二氧化硅基玻璃烟炱可以包括至少一种用于改变预制核心部分的折射率的掺杂物种类。 二氧化硅基玻璃烟炱的选择性扩散层可以在预制核心部分周围形成,以形成烟炱预制件。 选择性扩散层可以具有大于预制核心部分的密度的形成密度。 扩散物质可以通过选择性扩散层扩散到预制核心部分中。 烟炱预制件可以烧结,使得选择性扩散层具有大于形成密度的势垒密度,并且选择性扩散层防止至少一种掺杂剂物质通过选择性扩散层的扩散。

Patent Agency Ranking