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    • 1. 发明授权
    • Surface figure control for coated optics
    • 涂层光学元件的表面图形控制
    • US06206528B1
    • 2001-03-27
    • US09164413
    • 1998-09-30
    • Avijit K. Ray-ChaudhuriPaul A. SpenceMichael P. Kanouff
    • Avijit K. Ray-ChaudhuriPaul A. SpenceMichael P. Kanouff
    • G02B7182
    • G03F7/70216G02B7/182G03F7/70825
    • A pedestal optical substrate that simultaneously provides high substrate dynamic stiffness, provides low surface figure sensitivity to mechanical mounting hardware inputs, and constrains surface figure changes caused by optical coatings to be primarily spherical in nature. The pedestal optical substrate includes a disk-like optic or substrate section having a top surface that is coated, a disk-like base section that provides location at which the substrate can be mounted, and a connecting cylindrical section between the base and optics or substrate sections. The optic section has an optical section thickness2/optical section diameter ratio of between about 5 to 10 mm, and a thickness variation between front and back surfaces of less than about 10%. The connecting cylindrical section may be attached via three spaced legs or members. However, the pedestal optical substrate can be manufactured from a solid piece of material to form a monolith, thus avoiding joints between the sections, or the disk-like base can be formed separately and connected to the connecting section. By way of example, the pedestal optical substrate may be utilized in the fabrication of optics for an extreme ultraviolet (EUV) lithography imaging system, or in any optical system requiring coated optics and substrates with reduced sensitivity to mechanical mounts.
    • 同时提供高基板动态刚度的基座光学基板,为机械安装硬件输入提供低的表面图灵敏度,并且将由光学涂层引起的表面图形变化限制为主要是球形的。 基座光学基板包括具有被涂覆的顶表面的盘状光学元件或基板部分,提供可安装基板的位置的盘状基部部分和基部与光学元件或基板之间的连接圆柱形部分 部分。 光学部分的光学部分厚度2 /光学截面直径比在约5至10mm之间,前表面和背面之间的厚度变化小于约10%。 连接圆柱形部分可以通过三个间隔开的腿或构件附接。 然而,基座光学基板可以由固体材料制成以形成整料,从而避免了两部分之间的接合,或者可以单独地形成盘状基底并连接到连接部分。 作为示例,基座光学基板可以用于制造用于极紫外(EUV)光刻成像系统的光学器件,或者可用于需要涂覆的光学器件和对机械安装件的灵敏度降低的基板的任何光学系统中。
    • 9. 发明授权
    • Heart valve repair apparatus and methods
    • 心脏瓣膜修复装置及方法
    • US08100964B2
    • 2012-01-24
    • US12403745
    • 2009-03-13
    • Paul A. Spence
    • Paul A. Spence
    • A61F2/24
    • A61F2/2448A61F2/2412A61F2/2418A61F2/2445A61F2/2454A61F2/2457A61F2/2466A61F2220/0091
    • Valve repair apparatus and methods for ensuring proper coaptation and operation of the leaflets of a heart valve. Main aspects of the disclosure relate to devices including a support member configured for attachment to the heart valve annulus, a post extending from the support member away from the plane of the annulus and a connector coupled with the post and configured for attachment to at least one of the leaflets. The various embodiments may include a replacement heart valve connected with the support member for facilitating full replacement as opposed to near repair of an existing native heart valve. Various other devices include support structure and one or more posts connected to opposite sides of the support structure and extending from one side of the valve annulus to another to modify the shape of the annulus.
    • 瓣膜修复装置和方法,用于确保心脏瓣膜单张的适当接合和操作。 本公开的主要方面涉及包括构造成用于附接到心脏瓣膜环的支撑构件的装置,从支撑构件远离环的平面延伸的柱以及与柱连接的连接件,并且构造成用于附接至至少一个 的传单。 各种实施例可以包括与支撑构件连接的替换心脏瓣膜,以便于完全替换,而不是现有天然心脏瓣膜的近修复。 各种其他装置包括支撑结构和连接到支撑结构的相对侧并且从阀环的一侧延伸到另一侧的一个或多个柱,以改变环的形状。