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US Patent 11186101 Base material processing apparatus and detection method

Patent 11186101 was granted and assigned to Screen Holdings on November, 2021 by the United States Patent and Trademark Office.

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Patent
Patent

Patent attributes

Patent Applicant
Screen Holdings
Screen Holdings
Current Assignee
Screen Holdings
Screen Holdings
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
11186101
Date of Patent
November 30, 2021
Patent Application Number
16929987
Date Filed
July 15, 2020
Patent Primary Examiner
‌
Jannelle M Lebron
Patent abstract

A base material processing apparatus includes a first edge sensor, a second edge sensor, and a displacement amount calculation part. The first edge sensor acquires a first detection result (R1) by detecting the position of an edge of a base material in the width direction at a first detection position. The second edge sensor acquires a second detection result (R2) by detecting the position of the edge of the base material in the width direction at a second detection position. The displacement amount calculation part calculates the amount of displacement in the position of the base material in the transport direction on the basis of the first detection result (R1) and the second detection result (R2). Accordingly, the amount of displacement in the position of the base material in the transport direction can be detected without depending on images such as register marks.

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