公开(公告)号：US11940264B2

公开(公告)日：2024-03-26

申请号：US17624276

申请日：2020-06-05

Applicant: ASML NETHERLANDS B.V.

Inventor： Johannes Mathias Theodorus Antonius Adriaens ,  Carolus Johannes Catharina Schoormans ,  Luuk Johannes Helena Seelen

IPC: G01B11/00 ,  G03F7/00

CPC classification number: G01B11/005 ,  G03F7/70775 ,  G03F7/7085

Abstract: A method for calibrating a mirror of an interferometer system configured to measure a position of an object using two interferometers of the interferometer system that are arranged at opposite sides of the object and configured to measure the position of the object in the same X-direction, wherein two sets of measurements are obtained for different rotational orientations about an axis perpendicular to the X-direction to determine a shape of the mirror. There is also provided a position measuring method in which the obtained shape of the mirror is used to adjust measurements in the X-direction, a lithographic apparatus and a device manufacturing method making use of such a lithographic apparatus.

公开(公告)号：US11619886B2

公开(公告)日：2023-04-04

申请号：US16975745

申请日：2019-03-01

Applicant: ASML NETHERLANDS B.V.

Inventor： Johannes Mathias Theodorus Antonius Adriaens ,  Carolus Johannes Catharina Schoormans ,  Thomas Voβ

IPC: G03F7/20 ,  G01B9/02015

Abstract: A position measurement system including a first interferometer and a second interferometer arranged to determine a distance of the object in a first direction when the object is in a first measurement area by emitting beams onto a target surface of the object. The position measurement system further has a third interferometer and a fourth interferometer arranged to determine a distance of the object in the first direction when the object is in a second measurement area by emitting beams onto the target surface of the object. An arrangement of relative positions in a second direction of beams spots impinging on the target surface from the beams emitted by the first and second interferometers is different from an arrangement of relative positions in the second direction of beams spots impinging on the target surface from the beams emitted by the third and fourth interferometers.

公开(公告)号：US09470988B2

公开(公告)日：2016-10-18

申请号：US14437441

申请日：2013-10-17

Applicant: ASML Netherlands B.V.

Inventor： Engelbertus Antonius Fransiscus Van Der Pasch ,  Albert Johannes Maria Jansen ,  Andre Bernardus Jeunink ,  Johannes Mathias Theodorus Antonius Adriaens ,  Frank Auer ,  Peterjan Broomans ,  Suzanne Johanna Antonetta Geertruda Cosijns ,  Willem Herman Gertruda Anna Koenen ,  Sebastiaan Smit ,  Joris Wilhelmus Henricus Vermunt

IPC: G03F7/20

CPC classification number: G03F7/70775 ,  G03F7/70516 ,  G03F7/70716

Abstract: A positioning system for positioning an object in a lithographic apparatus, including: a first and second object tables moveable in an operating area; a first position measurement system to provide an incremental position measurement of the second object table relative to a reference when in the operating area, wherein the first position measurement system is configured to provide an absolute position measurement of the first object table relative to the reference; a second position measurement system to provide an absolute position measurement of the first object table relative to the second object table, and wherein the first position measurement system is further configured to provide an absolute position measurement of the second object table relative to the reference based on the absolute position measurement of the first object table relative to the reference and on the absolute position measurement of the first object table relative to the second object table.

Abstract translation: 一种用于将物体定位在光刻设备中的定位系统，包括：可在操作区域中移动的第一和第二物镜台; 第一位置测量系统，用于在操作区域中提供相对于参考的第二对象表的增量位置测量，其中第一位置测量系统被配置为提供第一对象表相对于参考的绝对位置测量; 第二位置测量系统，用于提供相对于第二对象表的第一对象表的绝对位置测量，并且其中，第一位置测量系统还被配置为提供第二对象表相对于参考的绝对位置测量，基于 第一对象表相对于参考的绝对位置测量以及第一对象表相对于第二对象表的绝对位置测量。

公开(公告)号：US20150277242A1

公开(公告)日：2015-10-01

申请号：US14437441

申请日：2013-10-17

Applicant: ASML Netherlands B.V.

Inventor： Engelbertus Antonius Fransiscus Van Der Pasch ,  Albert Johannes Maria Jansen ,  Andre Bernardus Jeunink ,  Johannes Mathias Theodorus Antonius Adriaens ,  Frank Auer ,  Peterjan Broomans ,  Suzanne Johanna Antonetta Geertruda Cosijns ,  Willem Herman Gertruda Anna Koenen ,  Sebastiaan Smit ,  Joris Wilhelmus Henricus Vermunt

IPC: G03F7/20

CPC classification number: G03F7/70775 ,  G03F7/70516 ,  G03F7/70716

Abstract: A positioning system for positioning an object in a lithographic apparatus, including: a first and second object tables moveable in an operating area; a first position measurement system to provide an incremental position measurement of the second object table relative to a reference when in the operating area, wherein the first position measurement system is configured to provide an absolute position measurement of the first object table relative to the reference; a second position measurement system to provide an absolute position measurement of the first object table relative to the second object table, and wherein the first position measurement system is further configured to provide an absolute position measurement of the second object table relative to the reference based on the absolute position measurement of the first object table relative to the reference and on the absolute position measurement of the first object table relative to the second object table.

Abstract translation: 一种用于将物体定位在光刻设备中的定位系统，包括：可在操作区域中移动的第一和第二物镜台; 第一位置测量系统，用于在操作区域中提供相对于参考的第二对象表的增量位置测量，其中第一位置测量系统被配置为提供第一对象表相对于参考的绝对位置测量; 第二位置测量系统，用于提供相对于第二对象表的第一对象表的绝对位置测量，并且其中，第一位置测量系统还被配置为提供第二对象表相对于参考的绝对位置测量，基于 第一对象表相对于参考的绝对位置测量以及第一对象表相对于第二对象表的绝对位置测量。