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:
Aug. 04, 2020
Filed:
Sep. 05, 2018
Applicant:
Electronics and Telecommunications Research Institute, Daejeon, KR;
Inventors:
Sang-Pil Han, Daejeon, KR;
Jun Hwan Shin, Seoul, KR;
Il Min Lee, Daejeon, KR;
Kyung Hyun Park, Daejeon, KR;
Assignee:
Electronics and Telecommunications Research Institute, Daejeon, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01J 3/453 (2006.01); G02B 27/14 (2006.01); G01J 3/06 (2006.01); G02B 5/02 (2006.01);
U.S. Cl.
CPC ...
G01J 3/4535 (2013.01); G01J 3/06 (2013.01); G02B 5/0205 (2013.01); G02B 27/14 (2013.01);
Abstract
An image acquisition apparatus including a beam source, a beam expander, a beam splitter, an interferometer reference arm, a sample, a beam diffuser, a telecentric f-θ lens, a beam scanner, and a beam detector uses a terahertz wave to acquire a surface image and a depth image of the sample.