-
公开(公告)号：US20230065768A1
公开(公告)日：2023-03-02
申请号：US17507796
申请日：2021-10-21
Inventor： Dong Woo PARK , Kyung Hyun PARK , Dong-Young KIM , Mugeon KIM , Jun-Hwan SHIN , Eui Su LEE , IL MIN LEE , Da Hye CHOI
IPC: H01L31/02 , H01L23/66 , H01L31/0232 , H01L31/0304 , H01L31/09 , H01L31/18
Abstract: Disclosed is a method for fabricating a terahertz device, the method including providing a substrate, doping a conductive impurity on an upper surface of the substrate to form an electrode layer, patterning the electrode layer to form antenna electrodes, and forming a photomixer between the antenna electrodes.
-
公开(公告)号：US20230358858A1
公开(公告)日：2023-11-09
申请号：US18194733
申请日：2023-04-03
Inventor： Pil Jae PARK , Jungsoo KIM , IL MIN LEE
Abstract: An imaging radar apparatus for obtaining an image includes a plurality of transmission modules and a plurality of reception modules. Each of the plurality of transmission modules includes a main controller, a first printed circuit board, a transmission controller, a plurality of transmitters, and a plurality of transmit antennas. Each of the plurality of reception modules includes a second printed circuit board, a reception controller, a plurality of receivers, and a plurality of receive antennas. A transmission unit including the plurality of transmitters is disposed on a top surface of the first printed circuit board. The plurality of transmit antennas are linearly arranged on the top surface of the first printed circuit board. The transmission controller is disposed on a bottom surface of the first printed circuit board. A reception unit including the plurality of receivers is disposed on a bottom surface of the second printed circuit board.
-
Patent Agency Ranking
公开(公告)号：US20200150420A1
公开(公告)日：2020-05-14
申请号：US16668574
申请日：2019-10-30
Inventor： Eui Su LEE , Kyung Hyun PARK , IL MIN LEE , Kiwon MOON , Dong Woo PARK , Hyun Soo KIM , Ho Jin LEE , Jeong Woo PARK , Jun Hwan SHIN , Kyeong Sun CHOI , Dahye CHOI
Abstract: Provided are a polygon mirror assembly and a scan device. A polygon mirror assembly includes: a polygon mirror including a plurality of reflection surfaces spaced apart from a rotation axis by a predetermined distance; a first motor for rotating the polygon mirror around the rotation axis; a second motor for moving the polygon mirror in a first axial direction such that the rotation axis is tilted while the first motor rotates the polygon mirror; and a clock signal extraction surface for extracting a clock signal for detecting a change in a rotational speed of the first motor.
-
公开(公告)号：US20210281045A1
公开(公告)日：2021-09-09
申请号：US17183680
申请日：2021-02-24
Inventor： Hyun Soo Kim , Kyung Hyun PARK , Eui Su LEE , IL MIN LEE , Kiwon MOON , Dong Woo PARK , Jun-Hwan SHIN
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：US20200335639A1
公开(公告)日：2020-10-22
申请号：US16848826
申请日：2020-04-14
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.
-
公开(公告)号：US20220158355A1
公开(公告)日：2022-05-19
申请号：US17528033
申请日：2021-11-16
Inventor： Dong-Young KIM , Mugeon KIM , Kyung Hyun PARK , Dong Woo PARK , Eui Su LEE , IL MIN LEE
Abstract: Provided is an antenna structure. The structure includes a dielectric lens, an antenna substrate on the dielectric lens, and antenna electrodes on the antenna substrate. Here, each of the antenna electrodes may include a wire electrode and an empty plane having a triangular shape defined by the wire electrode.
-
公开(公告)号：US20220140170A1
公开(公告)日：2022-05-05
申请号：US17513805
申请日：2021-10-28
Inventor： Kiwon MOON , Kyung Hyun PARK , Dong Woo PARK , Jun-Hwan SHIN , Eui Su LEE , Hyun Soo KIM , IL MIN LEE
IPC: H01L31/102 , G02F2/02 , H01L31/0304 , H03B7/08 , H01L29/88
Abstract: Provided is a terahertz light source device including an antenna, a plurality of wire electrodes configured to connect the antenna to a power source, a capacitor connected to the wire electrodes between the antenna and the power source, and a plurality of resonance tunneling diodes connected to the wire electrodes between the capacitor and the antenna, and configured to generate a terahertz wave by coupling with the capacitor as a parallel resonance circuit with respect to the power source.
-
-
-
-
-
-
Search Results
7
records
(took 0.018 seconds)
