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:
Dec. 01, 2020

Filed:

Aug. 29, 2018
Applicant:

Samsung Electronics Co., Ltd., Suwon-si, KR;

Inventors:

Kyoung Hwan Lee, Hwaseong-si, KR;

Sang Min Kim, Seoul, KR;

Young Hoon Sohn, Incheon, KR;

Yu Sin Yang, Seoul, KR;

Chi Hoon Lee, Seoul, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 23/223 (2006.01); H01L 21/67 (2006.01); H01L 21/66 (2006.01);
U.S. Cl.
CPC ...
G01N 23/223 (2013.01); H01L 21/67288 (2013.01); H01L 22/12 (2013.01); G01N 2223/608 (2013.01); G01N 2223/646 (2013.01);
Abstract

An apparatus for X-ray inspection is provided. The apparatus includes: a stage on which an inspection target is loaded, the stage including a first surface and an opposite second surface; an X-ray generator disposed on or over the first surface of the inspection target and configured to irradiate the inspection target with incident X-rays; and a detection system disposed on or under the second surface of the inspection target and configured to detect first transmitted X-rays transmitted through the inspection target. The detection unit includes a first lens system and a second lens system. The first transmitted X-rays pass through one of the first lens system and the second lens system. The second lens system includes a micro zone plate.


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