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.

Date of Patent:
Jul. 30, 2024

Filed:

May. 12, 2023
Applicant:

Koh Young Technology Inc., Seoul, KR;

Inventors:

Jung Woo Park, Hwaseong-si, KR;

Byung Sun Oh, Siheung-si, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 21/67 (2006.01); G01B 11/25 (2006.01);
U.S. Cl.
CPC ...
H01L 21/67242 (2013.01); G01B 11/2545 (2013.01); G01B 11/2513 (2013.01); G01B 11/2518 (2013.01);
Abstract

The present disclosure provides an apparatus. The apparatus according to the present disclosure comprises: at least one first light source configured to irradiate illumination light to an object on a reference surface; at least one second light source configured to irradiate pattern light to the object, a plurality of cameras configured to capture one or more illumination images and one or more pattern images; and one or more processors configured to determine a plurality of outlines indicating edges of the object based on two or more images captured in different directions among the one or more illumination images and the one or more pattern images; determine a virtual plane corresponding to an upper surface of the object based on the plurality of outlines; and determine an angle between the virtual plane and the reference plane.


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