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:
Feb. 15, 2022
Filed:
Oct. 26, 2020
Kabushiki Kaisha Toshiba, Tokyo, JP;
KABUSHIKI KAISHA TOSHIBA, Tokyo, JP;
Abstract
An apparatus for inspecting object surface according to an embodiment includes: an imaging device including an imaging area; an optical source; and a group of optical devices including a mirror and a lens, and causing a reflected light other than a regular reflection light from an object to be reflected by a mirror surface of the mirror, and to form an image in the imaging area of the imaging device through the lens, the regular reflection light being caused by a light incident to a surface of the object from the optical source, wherein the optical source, the mirror, the lens, and the imaging device are arranged in such a manner that the regular reflection light is not incident to the imaging area of the imaging device through the mirror and the lens.