公开(公告)号：EP2827128A4

公开(公告)日：2016-02-17

申请号：EP12871347

申请日：2012-04-10

Applicant: KOREA FOOD RES INST

Inventor： CHUN HYANG-SOOK ,  CHOI SUNG-WOOK ,  CHANG HYUN-JOO ,  LEE NA-RI ,  OK GYEONG-SIK

IPC: G01N21/35 ,  G01N21/3581 ,  G01N21/88 ,  G02B3/00 ,  H01Q15/08

CPC classification number: G01N21/3581 ,  G01N21/8806 ,  G01N21/94 ,  G01N2201/06113 ,  G01N2201/1045 ,  G01N2201/105 ,  G02B3/00 ,  H01Q15/08

Abstract: An object inspection apparatus includes a terahertz wave supplying unit for generating a terahertz wave and moving a path of the terahertz wave according to time so that the terahertz wave is supplied to an object to be inspected, a focusing lens located between the terahertz wave supplying unit and the object to be inspected to focus the terahertz wave supplied by the terahertz wave supplying unit, a rotating plate having a plate shape and including a plurality of the focusing lenses with different distances from the center thereof, the rotating plate rotating in the circumferential direction so that one of the focusing lenses is located at a path of the terahertz wave according to the path movement of the terahertz wave, and a terahertz wave detecting unit for collecting and detecting a terahertz wave incident to the object to be inspected.