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公开(公告)号:US20240319244A1
公开(公告)日:2024-09-26
申请号:US18472858
申请日:2023-09-22
Applicant: KOREA INSTITUTE OF FUSION ENERGY
Inventor: Hyun Ho WI , Son Jong WANG
Abstract: Disclosed herein is a waveguide with an RF port input transition. The waveguide includes: a tubular rectangular body having openings formed at opposite sides thereof, each of the openings having a flange therearound; multiple isolator ports formed at predetermined intervals in one wall of the rectangular body, the isolator ports each being switchable between open and closed states; multiple impedance matching ports formed at predetermined intervals in another wall of the rectangular body opposite the one wall, the impedance matching ports each being switchable between open and closed states; and a radiator port formed at a center of the one wall of the rectangular body.
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公开(公告)号:US20240266156A1
公开(公告)日:2024-08-08
申请号:US18427460
申请日:2024-01-30
Applicant: KOREA INSTITUTE OF FUSION ENERGY
Inventor: Jongsik KIM
CPC classification number: H01J37/3299 , H01J37/32091 , H01J37/321 , H01P5/182 , H03H7/06 , H03H7/1791 , H01J2237/24564
Abstract: Provided is a module for measuring current/voltage/power of a plasma apparatus, which includes a process chamber having a sealed processing space in which plasma is formed to process a substrate; a substrate support unit disposed in the processing space and on which a substrate is seated; and a gas injection unit configured to inject gas for performing a process in the processing space, wherein, in a substrate processing apparatus configured to process the substrate by applying RF power to the process chamber, the gas support unit, and the gas injection unit, the module for measuring current/voltage/power of the plasma apparatus is disposed adjacent to at least one application line among a first power application line for applying the RF power and a ground line for grounding to measure a RF voltage, current, and power of an input wave and a reflected wave generated by plasma generated in the processing space.
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公开(公告)号:US20240048106A1
公开(公告)日:2024-02-08
申请号:US18305282
申请日:2023-04-21
Applicant: KOREA INSTITUTE OF FUSION ENERGY
Inventor: Son Jong WANG , Hyun Ho WI
CPC classification number: H03F3/245 , H03F3/602 , H03F2200/451 , H03F2200/114
Abstract: Disclosed is a radio frequency power amplifier module. The radio frequency power amplifier module according to an embodiment of the disclosed technology includes a module main body one or more amplifier semiconductors installed inside the module main body, and a coupler electrically connected to the amplifier semiconductor and protruding and extending to the outside of the module main body to transmit electromagnetic waves.
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公开(公告)号:US20230328871A1
公开(公告)日:2023-10-12
申请号:US18020059
申请日:2021-08-06
Applicant: Korea Institute of Fusion Energy
Inventor: Dong Hun SHIN , Yong Cheol HONG , Se Min CHUN , Geon Woo YANG , Hee Jae LEE
IPC: H05H1/34
CPC classification number: H05H1/3423
Abstract: Disclosed is a plasma generation device. A plasma generation device, according to an exemplary embodiment of the present invention, comprises: an electromagnetic wave generator; a plasma torch which generates plasma by arc discharge; and a waveguide which guides an electromagnetic wave generated by the electromagnetic wave generator to be transmitted to the plasma side, wherein the electromagnetic wave transmitted through the waveguide heats one side portion of the plasma.
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公开(公告)号:US20230257269A1
公开(公告)日:2023-08-17
申请号:US18003779
申请日:2021-05-13
Applicant: KOREA INSTITUTE OF FUSION ENERGY
Inventor: Dong Chan SEOK , Yong Ho JUNG , Seung Ryul YOO
IPC: C01B32/174 , C01B32/194 , C01B32/21 , B01J19/08
CPC classification number: C01B32/174 , C01B32/194 , C01B32/21 , B01J19/088 , C01P2006/40
Abstract: The present invention relates to a method of improving aqueous dispersibility of conductive carbon powders, and to a method of preparing a colloid solution of conductive carbon powders. The present invention comprises a step of exposing conductive carbon powders to a plasma jet or reacting same with a plasma-treated reaction gas, wherein the step is characterized by reacting the plasma-treated reaction gas (ionized gas) with the conductive carbon powders, and accordingly by using plasma, the aqueous dispersibility of the conductive carbon powders may be improved in a convenient manner.
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公开(公告)号:US20230009958A1
公开(公告)日:2023-01-12
申请号:US17856111
申请日:2022-07-01
Applicant: KOREA INSTITUTE OF FUSION ENERGY
Inventor: Yong Cheol HONG , Yong Wook SHIN , Kang II KIM , Seong II HONG , Hee Jae LEE
Abstract: A plasma water treatment apparatus includes a plasma generator that generates plasma in water, and a porous dielectric that adsorbs nitrogen oxide generated in the water, surrounds the plasma generator, and includes silicon dioxide powder and carbon powder, thereby removing color of wastewater.
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公开(公告)号:US20220230858A1
公开(公告)日:2022-07-21
申请号:US17595928
申请日:2020-05-28
Applicant: KOREA INSTITUTE OF FUSION ENERGY
Inventor: Kang Il LEE , Yong Sup CHOI , Young Woo KIM , Jong Sik KIM
IPC: H01J37/32
Abstract: Disclosed is a window device for diagnosis of plasma OES (Optical Emission Spectroscopy). The window device includes a housing including a first chamber and a second chamber horizontally adjacent to each other; a connection opening defined in one face of the housing and between the first chamber and the second chamber, wherein the connection opening faces toward an opening through which light of plasma from a plasma chamber is exposed to the connection opening; an observation window opening defined in an opposite face of the housing opposite to the connection opening, wherein the observation window opening is coaxial with the connection opening, wherein the light of the plasma transmits through the observation window opening, and is incident to a light receiver of an OES sensor; an observation window positioned inside the observation window opening and in the housing; a winder and a rewinder installed in the first chamber and the second chamber, respectively; and a transparent film moving, in a roll-to-roll manner, from the rewinder to the winder while covering an inner face of the connection opening in the housing.
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公开(公告)号:US12154769B2
公开(公告)日:2024-11-26
申请号:US17595928
申请日:2020-05-28
Applicant: KOREA INSTITUTE OF FUSION ENERGY
Inventor: Kang Il Lee , Yong Sup Choi , Young Woo Kim , Jong Sik Kim
IPC: H01J37/32
Abstract: A window device for diagnosis of plasma OES (Optical Emission Spectroscopy), is disclosed and includes a housing including a first chamber and a second chamber horizontally adjacent to each other; a connection opening defined in one face of the housing and between the first and second chambers, the connection opening faces toward an opening through which light of plasma from a plasma chamber is exposed to the connection opening; an observation window opening defined in an opposite face of the housing opposite to the connection opening, the observation window opening is coaxial with the connection opening, the light of the plasma transmits through the observation window opening, and is incident to a light receiver of an OES sensor; an observation window positioned inside the observation window opening and in the housing; a winder and a rewinder installed in the first and second chambers, respectively; and a transparent film.
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公开(公告)号:US20230234020A1
公开(公告)日:2023-07-27
申请号:US18010912
申请日:2021-05-25
Applicant: KOREA INSTITUTE OF FUSION ENERGY
Inventor: Yong Cheol HONG , Se Min CHUN , Geon Woo YANG , Hee Jae LEE
CPC classification number: B01J19/126 , C01B21/203 , H05H1/461 , B01J2219/0898 , B01J2219/1239 , B01J2219/1227 , H05H2245/10
Abstract: Provided is a microwave plasma device, including: a hollow tube that is hollow and irradiated with a microwave; a swirl gas inlet that is located at a lower end portion of the hollow tube and injected with a swirl gas; an axial gas inlet that penetrates through the lower end portion of the hollow tube and injected with an axial gas; and a swirl gas barrier that is located inside the hollow tube, located near where the swirl gas is injected, and extends in a longitudinal direction of the hollow tube, in which a gap g is formed between the swirl gas barrier and the hollow tube, and plasma is generated inside the hollow tube and nitrogen oxide is generated inside the hollow tube.
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公开(公告)号:US11268191B2
公开(公告)日:2022-03-08
申请号:US16644440
申请日:2018-11-01
Applicant: KOREA INSTITUTE OF FUSION ENERGY
Inventor: Yong Sup Choi , Kang Il Lee , Dong Chan Seok , Soo Ouk Jang , Jong Sik Kim , Seung Ryul Yoo
IPC: H01L21/3065 , H01L21/311 , C23C16/455 , C23C16/56 , H01J37/32
Abstract: An atomic layer polishing method is described. The method includes: scanning the surface of a specimen to measure a peak site on the specimen surface; spraying toward the measured peak site a gas containing an element capable of binding to a first atom, which is an ingredient of the material of the specimen to form a first reaction gas layer in which the first reaction gas binds to the first atom on the surface of the peak; and projecting ions of inert gas to the peak site on which the first reaction gas layer is deposited to separate the first atom bound to the first reaction gas from the specimen.
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