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    • 6. 发明申请
    • OPTICAL IMAGING ARRANGEMENT WITH VIBRATION DECOUPLED SUPPORT UNITS
    • 光学成像装置与振动解除支持单元
    • WO2013004403A1
    • 2013-01-10
    • PCT/EP2012/053743
    • 2012-03-05
    • CARL ZEISS SMT GMBHKWAN, Yim-Bun-PatrickLARO, Dick Antonius Hendrikus
    • KWAN, Yim-Bun-PatrickLARO, Dick Antonius Hendrikus
    • G03F7/20
    • G02B27/646G03F7/7015G03F7/70825G03F7/70833G03F7/709
    • There is provided an optical imaging arrangement comprising an optical projection system and a support structure system. The optical projection system comprises a group of optical elements configured to transfer, in an exposure process using exposure light along an exposure light path, an image of a pattern of a mask supported by a mask support structure onto a substrate supported by a substrate support structure. The mask support structure and the substrate support structure form a primary source of vibration. The support structure system comprises a base support structure, an optical element support structure and at least one secondary vibration source support structure of a secondary vibration source other than the primary source of vibration. The optical element support structure supports the optical elements. The at least one secondary vibration source support structure supports a secondary vibration source, the secondary vibration source being a source of a secondary vibration disturbance comprising structure borne vibration energy and the secondary vibration source being located internal to the optical imaging arrangement. The base support structure supports the optical element support structure and the secondary vibration source support structure in such a manner that a structural path of the structure borne vibration energy from the secondary vibration source to the optical element support structure only exists through the base support unit.
    • 提供了一种包括光学投影系统和支撑结构系统的光学成像装置。 该光学投影系统包括:一组光学元件,被配置为在曝光过程中使用曝光光沿着曝光光路将由掩模支撑结构支撑的掩模的图案的图像转印到由基板支撑结构支撑的基板上 。 掩模支撑结构和基板支撑结构形成主要振动源。 支撑结构系统包括基座支撑结构,光学元件支撑结构以及除了主要振动源之外的次级振动源的至少一个次级振动源支撑结构。 光学元件支撑结构支撑光学元件。 所述至少一个次级振动源支撑结构支撑次级振动源,所述次级振动源是包括结构承载的振动能量的次级振动干扰的源,并且所述次级振动源位于所述光学成像装置的内部。 基部支撑结构以这样的方式支撑光学元件支撑结构和次级振动源支撑结构,使得结构承载的振动能量从二次振动源到光学元件支撑结构的结构路径仅通过基座支撑单元存在。
    • 7. 发明申请
    • OPTICAL IMAGING ARRANGEMENT WITH INDIVIDUALLY ACTIVELY SUPPORTED COMPONENTS
    • 光学成像安排与个别活跃的支持组件
    • WO2013004278A1
    • 2013-01-10
    • PCT/EP2011/061157
    • 2011-07-01
    • CARL ZEISS SMT GMBHKWAN, Yim-Bun-Patrick
    • KWAN, Yim-Bun-Patrick
    • G03F7/20
    • G02B27/646G03F7/7015G03F7/70825G03F7/70833G03F7/709
    • There is provided an optical imaging arrangement comprising an optical projection unit and a control device. The optical projection unit comprises a support structure and a group of optical element units adapted to transfer, in an exposure process using exposure light along an exposure light path, an image of a pattern of a mask unit onto a substrate of a substrate unit. The group of optical element units comprises a first optical element unit and a plurality of second optical element units, the first optical element unit and the second optical element units, under a control by said control device, being actively supported by the support structure. The first optical element unit is actively supported at a low first control bandwidth, while the second optical element units are actively supported at a second control bandwidth to substantially maintain a given spatial relationship of each of the second optical elements with respect to the first optical element unit.
    • 提供了包括光学投影单元和控制装置的光学成像装置。 光学投影单元包括支撑结构和一组光学元件单元,其适于在使用沿着曝光光路的曝光光的曝光处理中将掩模单元的图案的图像转印到基板单元的基板上。 所述光学元件单元组包括第一光学元件单元和多个第二光学元件单元,所述第一光学元件单元和所述第二光学元件单元在所述控制设备的控制下由所述支撑结构主动地支撑。 第一光学元件单元以低的第一控制带宽被主动地支持,而第二光学元件单元被主动地支持在第二控制带宽以基本上保持每个第二光学元件相对于第一光学元件的给定的空间关系 单元。
    • 8. 发明申请
    • METHOD FOR CONTROLLING A MOTION OF OPTICAL ELEMENTS IN LITHOGRAPHY SYSTEMS
    • 控制光刻系统中光学元件运动的方法
    • WO2013050081A1
    • 2013-04-11
    • PCT/EP2011/067532
    • 2011-10-07
    • CARL ZEISS SMT GmbHKWAN, Yim-Bun-PatrickLARO, Dick Antonius Hendrikus
    • KWAN, Yim-Bun-PatrickLARO, Dick Antonius Hendrikus
    • G03F7/20
    • G03F7/709G03F7/70591G03F7/70825G03F7/70833G03F7/7085
    • A Method for controlling a vibrating optical element (2) of a lithographic system the optical element (2) having a predetermined number of degrees of freedom comprises: detecting a number of displacements of the optical element (2), each displacement corresponding to a degree of freedom, wherein the number of detected displacements is larger than the number of degrees of freedom; for each displacement according to a degree of freedom, generating a sensor signal (S z1 , S z2 , S z3 , S z4 ) corresponding to a movement in a degree of freedom; wherein the optical element moves as a function of a rigid body transformation matrix (Ty), the optical element movement including a first type of movement and a second type of movement; and modifying the sensor signals (S z1 , S z2 , S z3 , S z4 ) as a function of a modified transformation matrix, wherein the modified transformation matrix at least partially reduces at least one eigen mode or resonance of one of the first type of movements or the second type of movements.
    • 一种用于控制光刻系统的振动光学元件(2)的方法,所述光学元件(2)具有预定数量的自由度,包括:检测所述光学元件(2)的位移数,每个位移对应于所述光学元件 的自由度,其中检测到的位移的数量大于自由度的数量; 根据自由度对每个位移产生对应于自由度运动的传感器信号(Sz1,Sz2,Sz3,Sz4); 其中所述光学元件作为刚体变换矩阵(Ty)的函数移动,所述光学元件移动包括第一类型的运动和第二类型的运动; 以及修改作为修改的变换矩阵的函数的所述传感器信号(Sz1,Sz2,Sz3,Sz4),其中所述修改的变换矩阵至少部分地减少所述第一类型的运动中的至少一个本征模式或共振, 运动类型
    • 10. 发明申请
    • OPTICAL ELEMENT WITH LOW SURFACE FIGURE DEFORMATION
    • 具有低表面形状的光学元件
    • WO2011029467A1
    • 2011-03-17
    • PCT/EP2009/061650
    • 2009-09-08
    • CARL ZEISS SMT GMBHKWAN, Yim-Bun-Patrick
    • KWAN, Yim-Bun-Patrick
    • G03F7/20
    • G03F7/70858G03F7/70825
    • A reflective optical element with a body with a first reflective surface (750) of a high precision geometrical form for reflecting light in a wavelength range less than 50 nm in an EUV- lithographic projection exposure system. The body comprises a first (741) and a second (742) non-reflecting surface. Further, the body comprises a single connection area (730) formed on the first non-reflecting surface with at least one fixation surface inside the connection area for fixing the entire optical element directly or indirectly to at least one bearing surface of a bearing element. In addition, the second non-reflecting surface is different from the single connection area formed on the first non- reflective surface, and the second non-reflecting surface at least partly surrounds the single connection area, Further, at least one stress relief recess is formed into the body, wherein the stress relief recess (793) at least partly separates the first non-reflective surface from the second non-reflecting surface.
    • 一种具有主体的反射光学元件,其具有用于在EUV-光刻投影曝光系统中反射波长范围小于50nm的光的高精度几何形状的第一反射表面(750)。 主体包括第一(741)和第二(742)非反射表面。 此外,主体包括形成在第一非反射表面上的单个连接区域(730),在连接区域内具有至少一个固定表面,用于将整个光学元件直接或间接地固定到轴承元件的至少一个支承表面。 此外,第二非反射表面不同于形成在第一非反射表面上的单个连接区域,并且第二非反射表面至少部分地围绕单个连接区域。此外,至少一个应力释放凹部是 形成到所述主体中,其中所述应力消除凹部(793)至少部分地将所述第一非反射表面与所述第二非反射表面分离。