具有带传感器参考件的光学元件的半导体光刻投射曝光设备和对准传感器参考件的方法

文档序号:214422 发布日期:2021-11-05 浏览:17次 >En<

阅读说明:本技术 具有带传感器参考件的光学元件的半导体光刻投射曝光设备和对准传感器参考件的方法 (Semiconductor lithographic projection exposure apparatus having an optical element with a sensor reference and method of aligning a sensor reference ) 是由 P.尼兰德 M.斯特珀 H-M.霍维尔 于 2020-03-02 设计创作,主要内容包括:本发明涉及一种用于在EUV投射曝光设备(1)中将传感器参考件(40)与主体(30)的参考面(31)对准的方法,其中传感器参考件(40)包括参考元件(41、41’)和接收元件(42),其中接收元件(42)布置在主体(30)上或实施为主体(30)的部分,该方法包括以下步骤:-确定参考面(31)在主体(30)的参考坐标系(32)中的取向,-确定参考面(31)的取向与其意图取向的偏差,-将参考元件(41、41’)放置到所述接收元件(42)中,-确定参考元件(41、41’)在主体(30)的参考坐标系(32)中的位置和取向,-考虑到参考元件(41、41’)的先前确定的取向及参考面(31)与其意图取向的偏差,确定参考元件(41、41’)与意图取向的偏差,-将参考元件(41、41’)与所确定的意图取向对准,-将参考元件(41、41’)固定在意图取向上,-检验参考元件(41、41’)在参考坐标系(32)中的意图取向。本发明还涉及一种用于半导体光刻的投射曝光系统(1),包括光学元件(18、19、20),该光学元件(18、19、20)具有主体(30),该主体就其自身包括用于确定光学元件(18、19、20)的位置和取向的传感器参考件(40)的多个参考元件(41、41’)的接收元件(42)。光学元件(18、19、20)还包括设计为光学有效表面的参考面(31),参考元件(41)的取向与参考面(31)的取向对准,并且参考元件(41)以对于参考面(31)的小于100μrad的角度位移布置。(The invention relates to a method for aligning a sensor reference (40) with a reference surface (31) of a body (30) in an EUV projection exposure apparatus (1), wherein the sensor reference (40) comprises a reference element (41, 41&#39;) and a receiving element (42), wherein the receiving element (42) is arranged on the body (30) or is embodied as part of the body (30), comprising the following steps: -determining an orientation of a reference plane (31) in a reference coordinate system (32) of the body (30), -determining a deviation of the orientation of the reference plane (31) from its intended orientation, -placing a reference element (41, 41&#39;) into the receiving element (42), -determining the position and orientation of the reference element (41, 41&#39;) in a reference coordinate system (32) of the body (30), -determining the deviation of the reference element (41, 41&#39;) from an intended orientation taking into account a previously determined orientation of the reference element (41, 41&#39;) and the deviation of the reference plane (31) from its intended orientation, -aligning the reference element (41, 41&#39;) with the determined intended orientation, -fixing the reference element (41, 41&#39;) in the intended orientation, -verifying the intended orientation of the reference element (41, 41&#39;) in the reference coordinate system (32). The invention further relates to a projection exposure system (1) for semiconductor lithography, comprising an optical element (18, 19, 20), the optical element (18, 19, 20) having a body (30) which itself comprises a receiving element (42) of a plurality of reference elements (41, 41&#39;) of a sensor reference (40) for determining the position and orientation of the optical element (18, 19, 20). The optical element (18, 19, 20) further comprises a reference surface (31) designed as an optically active surface, the orientation of the reference element (41) is aligned with the orientation of the reference surface (31), and the reference element (41) is arranged with an angular displacement of less than 100 μ rad to the reference surface (31).)

23页详细技术资料下载
上一篇:一种医用注射器针头装配设备
下一篇:量测方法和设备、计算机程序和光刻系统

网友询问留言

已有0条留言

还没有人留言评论。精彩留言会获得点赞!

精彩留言,会给你点赞!

技术分类