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:
Apr. 28, 2020

Filed:

Jan. 23, 2018
Applicant:

Hong Kong Applied Science and Technology Research Institute Co. Ltd., Shatin, NT, HK;

Inventors:

Vladislav Nikitin, Ma On Shan, HK;

Wang Fei Ng, Tseung Kwan O, HK;

Ka Kit Wong, Tsing Ying, HK;

Xiaozhe Ren, Fanling, HK;

Ying Liu, Ma On Shan, HK;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 21/88 (2006.01); G01N 21/958 (2006.01);
U.S. Cl.
CPC ...
G01N 21/8806 (2013.01); G01N 21/958 (2013.01); G01N 2021/8825 (2013.01); G01N 2021/8835 (2013.01); G01N 2021/9583 (2013.01);
Abstract

The invention provides an apparatus for inspecting a light transmissible optical component. The apparatus comprises an image capturing module arranged on a first side of a support configured to hold a light transmissible optical component whilst it is being inspected. The apparatus includes an illumination device configured to shape light from a light source and to illuminate a selected portion of a surface of said light transmissible optical component with said shaped light to enable the image capturing module to capture any of a bright field image, a dark field image, or a combined bright field and dark field image of the light transmissible optical component being held by the support.


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