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. 15, 2016
Filed:
Nov. 27, 2012
Ccs Inc., Kyoto-shi, Kyoto, JP;
Shigeki Masumura, Kyoto, JP;
CCS Inc., Kyoto-shi, JP;
Abstract
In order to make it possible for a difference between a defect and a normal part, such as contrast, to appear, a lighting device for inspection is provided with: a surface light source that emits inspection light; a lens that is provided on a light axis of the inspection light emitted from the surface light source, and between an inspection object and the surface light source; and a first diaphragm that is provided between the lens and the surface light source or the inspection object, wherein: the surface light source and the lens are set such that an image plane on which the surface light source is imaged is present near the inspection object; and the first diaphragm is set such that the central axis of an irradiation solid angle determined by a part of the inspection light is parallel to the light axis.