The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 25, 2025
Filed:
Nov. 17, 2023
Canon Kabushiki Kaisha, Tokyo, JP;
Hirotoshi Torii, Tochigi, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
A film forming apparatus forms, on a substrate, a film formed of a cured product of a curable composition. The apparatus includes a dispenser including an end face where a discharge outlet for discharging the curable composition is arranged, and a reference part having a lower end lower than the end face, and configured to discharge the curable composition downward from the discharge outlet so as to arrange the curable composition on the substrate, a sensor configured to detect the curable composition adhering to the end face, and a controller configured to evaluate a state of the curable composition adhering to the end face based on a result obtained by measuring the lower end using the sensor and a result obtained by measuring the end face using the sensor.