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Patent Searching and Data


Title:
POSITION DETERMINATION METHOD AND POSITION DETERMINATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2024/084853
Kind Code:
A1
Abstract:
The present description discloses techniques for highly accurately determining the position of a substrate. This position determination method comprises: a step for setting a region including an end portion of a substrate in a reference image as a reference region, and detecting a pixel position of the end portion of the substrate in the reference region as a reference pixel position; a step for setting a region including the end portion of the substrate in a comparison image as a comparison region, and detecting the pixel position of the end portion of the substrate in the comparison region as a comparison pixel position; and a step for determining whether the difference between the reference pixel position and the comparison pixel position is greater than a predetermined threshold value.

Inventors:
SHIMIZU SHINJI (JP)
YAMADA RYO (JP)
MASUI TATSUYA (JP)
DEBA YUICHI (JP)
MIYAWAKI MIWA (JP)
Application Number:
PCT/JP2023/032642
Publication Date:
April 25, 2024
Filing Date:
September 07, 2023
Export Citation:
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Assignee:
SCREEN HOLDINGS CO LTD (JP)
International Classes:
H01L21/68; H01L21/304
Domestic Patent References:
WO2013163791A12013-11-07
Foreign References:
KR20190008496A2019-01-24
JP2014239093A2014-12-18
JP2013110270A2013-06-06
US20160293471A12016-10-06
JP2015152475A2015-08-24
JP2022078570A2022-05-25
JP2016100565A2016-05-30
Attorney, Agent or Firm:
YOSHITAKE Hidetoshi et al. (JP)
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