公开(公告)号：US20230366741A1

公开(公告)日：2023-11-16

申请号：US18316027

申请日：2023-05-11

Applicant: Electronics and Telecommunications Research Institute

Inventor： Il Min LEE ,  DA HYE CHOI ,  Mugeon KIM ,  Kyung Hyun PARK ,  Dong Woo PARK ,  JUN-HWAN SHIN ,  Eui Su LEE

IPC: G01J9/04

CPC classification number: G01J9/04

Abstract: Disclosed is a phase shift measuring device, which includes a dual mode laser including a first beat light source generating a first beating signal and a second beat light source generating a second beating signal, and that outputs a dual mode signal including the first beating signal and the second beating signal, a first splitter that receives the dual mode signal to generate a first branch signal and a second branch signal, the first branch signal and the second branch signal being including the branched first beating signal and the branched second beating signal, respectively, a phase control unit that receives the first branch signal and to generate a combined signal, a transmitting end that receives the combined signal from the phase control unit and generates a transmission signal based on the combined signal, and a receiving end.

公开(公告)号：US20230280241A1

公开(公告)日：2023-09-07

申请号：US17938239

申请日：2022-10-05

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： DA HYE CHOI ,  Kyung Hyun PARK ,  Il Min LEE ,  Mugeon KIM ,  Eui Su LEE

IPC: G01N1/14

CPC classification number: G01N1/14 ,  G01N2001/1031

Abstract: The inventive concept relates to an apparatus for inspecting shoes and a method for inspecting shoes, and the apparatus includes an inspection unit configured to accommodate an inspection subject, a transmission unit configured to emit electromagnetic waves toward the inspection subject accommodated in the inspection unit, a reception unit configured to receive the electromagnetic wave reflected from the inspection subject, an injection unit configured to inject a fluid toward a bottom part of the inspection subject accommodated in the inspection unit, a suction unit configured to suction a material separated from the bottom part of the inspection subject together with the fluid, and an analysis unit configured to analyze a component of the material introduced into the suction unit and the electromagnetic wave received by the reception unit.

公开(公告)号：US20210281045A1

公开(公告)日：2021-09-09

申请号：US17183680

申请日：2021-02-24

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Hyun Soo Kim ,  Kyung Hyun PARK ,  Eui Su LEE ,  IL MIN LEE ,  Kiwon MOON ,  Dong Woo PARK ,  Jun-Hwan SHIN

IPC: H01S5/068 ,  H01S5/12 ,  H01S5/026 ,  H01S5/06

Abstract: Disclosed is a terahertz wave generating apparatus. The terahertz wave generating apparatus includes a dual mode laser including a first single mode laser that generates a first beating signal, a gain adjustment region that modulates the first beating signal, and a second single mode laser that generates a second beating signal, and a photomixer that mixes the modulated first beating signal and the second beating signal, and that modulates a current supplied based on a beating frequency of the mixed beating signals to generate a terahertz wave signal, and the gain adjustment region is formed between the first single mode laser and the second single mode laser, and the first beating signal is output from the first single mode laser to the gain adjustment region and is modulated based on a reverse bias voltage supplied to the gain adjustment region.

公开(公告)号：US20210172872A1

公开(公告)日：2021-06-10

申请号：US17099907

申请日：2020-11-17

Applicant: HYUNDAI MOTOR COMPANY ,  KIA MOTORS CORPORATION ,  ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Ha Seung SEONG ,  Ho Jin LEE ,  Il Min LEE ,  Ki Won MOON ,  Eui Su LEE ,  Dong Woo PARK ,  Jeong Woo PARK ,  Kyung Hyun PARK ,  Hyun Soo KIM

IPC: G01N21/3581 ,  G01B11/06

Abstract: A measurement apparatus for measuring a coating amount of a slurry according to the present disclosure includes a light emitter configured to irradiate terahertz wave onto a release paper coated with the slurry, a light receiver configured to receive the terahertz wave, which is irradiated from the light emitter and passes through the release paper coated with the slurry, to obtain a power of the terahertz wave, and a calculating part configured to calculate a thickness of an electrode, formed from the slurry applied to the release paper, based on the power of the terahertz wave received by the light receiver.

公开(公告)号：US20200335639A1

公开(公告)日：2020-10-22

申请号：US16848826

申请日：2020-04-14

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Dong Woo PARK ,  Kyung Hyun PARK ,  Jeong Woo PARK ,  Jun Hwan SHIN ,  Eui Su LEE ,  Hyun Soo KIM ,  Kiwon MOON ,  IL MIN LEE

IPC: H01L29/872 ,  H01L29/205 ,  H01L29/47 ,  H01L21/306 ,  H01L21/285 ,  H01L29/66

Abstract: A Schottky barrier diode includes a substrate, a first semiconductor layer formed on the substrate, a second semiconductor layer formed on the first semiconductor layer, and a metal layer formed on the second semiconductor layer to form a Schottky barrier, wherein the first semiconductor layer and the second semiconductor layer are formed of different materials, and a conduction band offset between the first semiconductor layer and the second semiconductor layer is less than a set value.