Invention Grant
- Patent Title: Method for calibration of a measuring table of a coordinate measuring machine
- Patent Title (中): 校准坐标测量机测量台的方法
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Application No.: US12690489Application Date: 2010-01-20
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Publication No.: US07823295B2Publication Date: 2010-11-02
- Inventor: Klaus Rinn
- Applicant: Klaus Rinn
- Applicant Address: DE Weilburg
- Assignee: Vistec Semiconductor Systems GmbH
- Current Assignee: Vistec Semiconductor Systems GmbH
- Current Assignee Address: DE Weilburg
- Agency: Houston Eliseeva, LLP
- Priority: DE102009003503 20090218
- Main IPC: G01B5/008
- IPC: G01B5/008 ; G01B1/00

Abstract:
A method is disclosed which is suitable for the calibration of a measuring table (20) of a coordinate measuring machine (1). For this purpose, a mask (2) is deposited in a three-point support of the measuring table (20), wherein the mask (2) used for the calibration of the measuring table (20) is a mask (2), which is used for the semiconductor production. The measurement of positions of a plurality of different structures (3) which are arranged in a distributed manner on the mask (2) is carried out. The structures (3) are available in an initial orientation on the mask (2). The mask (2) is rotated and the position of the structures (3) is determined in the rotated orientation. Afterwards, the mask (2) is shifted and the position of the structures (3) is also determined. A total correction function for eliminating coordinate-dependant measuring errors is determined, wherein the total correction function has a first correction function and a second correction function.
Public/Granted literature
- US20100205815A1 Method for Calibration of a Measuring Table of a Coordinate Measuring Machine Public/Granted day:2010-08-19
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