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:
May. 11, 2021
Filed:
Sep. 04, 2018
Canon Kabushiki Kaisha, Tokyo, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
An additive manufacturing apparatus in which a streak in a manufacturing direction is difficult to be made on the surface of a product manufactured object in a boundary region of projection regions of exposure images is provided. In this apparatus, a vessel holds a photosetting liquid resin material, a first projector makes a first exposure image incident from an incident surface and projects it into the resin material, a second projector makes a second exposure image, continuous with the first exposure image, incident from the incident surface and projects it into the resin material, and a controlling unit adjusts on a projection surface a boundary region between a first projection image obtained by projecting the first exposure image by the first projector and a second projection image obtained by projecting the second exposure image by the second projector.