Patents by Inventor Jung-Hun Choi

Jung-Hun Choi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 9972692
    Abstract: An integrated circuit device includes a source/drain region having a recess in its top, a contact plug extending on the source/drain region from within the recess, and a metal silicide layer lining the recess and having a first portion covering a bottom of the contact plug and a second portion that is integral with the first portion and covers a lower part of sides of the contact plug. The second portion of the silicide layer may have a thickness different from a thickness of the first portion of the silicide layer. The silicide layer is formed at a relatively low temperature to offer an improved resistance characteristic as between the source/drain region and the contact plug.
    Type: Grant
    Filed: January 13, 2016
    Date of Patent: May 15, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jung-Hun Choi, Da-Il Eom, Sun-Jung Lee, Sung-Uk Jang
  • Publication number: 20170365555
    Abstract: Semiconductor devices may include a structure on a substrate, an insulating interlayer, a metal silicide pattern, a first barrier pattern, a second barrier pattern and a metal pattern. The structure may include silicon. The insulating interlayer may include a contact hole exposing a surface of the structure. The metal silicide pattern may be in a lower portion of the contact hole, and the metal silicide pattern may directly contact the exposed surface of the structure. The first barrier pattern may directly contact an upper surface of the metal silicide pattern and a sidewall of the contact hole. The first barrier pattern may include a metal nitride. The second barrier pattern may be formed on the first barrier pattern. The second barrier pattern may include a metal nitride. The metal pattern may be formed on the second barrier pattern. The metal pattern may be in the contact hole.
    Type: Application
    Filed: December 23, 2016
    Publication date: December 21, 2017
    Inventors: Jung-Hun Choi, Jeong-Ik Kim, Chul-Sung Kim, Jae-Eun Lee, Sang-Jin Hyun
  • Publication number: 20170345884
    Abstract: A semiconductor device and a manufacturing method thereof, the semiconductor device including an insulation layer; a metal resistance pattern on the insulation layer; a spacer on a side wall of the metal resistance pattern; and a gate contact spaced apart from the spacer, the gate contact extending into the insulation layer, wherein the insulation layer includes a projection projecting therefrom, the projection contacting the gate contact.
    Type: Application
    Filed: February 28, 2017
    Publication date: November 30, 2017
    Inventors: Jung Hun CHOI, Young Tak KIM, Da Il EOM, Sun Jung LEE
  • Publication number: 20170331150
    Abstract: The present disclosure relates to a lithium sulfur battery, and the battery includes a cathode and an anode arranged facing each other; a separator interposed between the cathode and the anode; and an electrolyte, and further includes at least one or more membranes of a lithium ion conductive polymer membrane positioned between the cathode and the separator and having a sulfonic acid group (—SO3H), and a metal oxide membrane positioned between the anode and the separator, and therefore, an electrode active material loss is reduced, an improved lifespan characteristic is obtained by blocking the spread of lithium polysulfide to the anode, and in addition thereto, enhanced safety is obtained by suppressing a dendrite growth in the anode.
    Type: Application
    Filed: October 19, 2015
    Publication date: November 16, 2017
    Applicant: LG CHEM, LTD.
    Inventors: Chang Hun PARK, Min Chul JANG, Doo Kyung YANG, Byong Kuk SON, Jung Hun CHOI, Taek Gyoung KIM, Myeong Hun SONG
  • Publication number: 20170309899
    Abstract: The present invention relates to a multi-layer structured lithium metal electrode and a method for manufacturing the same and, specifically, to a multi-layer structured lithium metal electrode comprising: a buffer layer of lithium nitride (Li3N) formed on a lithium metal plate; and a protective layer of LiBON formed on the buffer layer, and to a method for manufacturing a multi-layer structured lithium metal electrode by continuously forming a lithium nitride buffer layer and a LiBON protective layer on a lithium metal plate through continuous reactive sputtering multi-layer structured lithium metal electrode multi-layer structured lithium metal electrode lithium metal plate multi-layer structured lithium metal electrode lithium metal plate. The multi-layer structured lithium metal electrode of the present invention can protect the reactivity of the lithium metal from moisture or an environment within a battery, and prevent the formation of dendrites, by forming the protective layer.
    Type: Application
    Filed: October 21, 2015
    Publication date: October 26, 2017
    Applicant: LG CHEM, LTD.
    Inventors: Byoung Kuk SON, Min Chul JANG, Eun Kyung PARK, Doo Kyung YANG, Jung Hun CHOI
  • Publication number: 20170197580
    Abstract: A pawl member holding unit of a retractor for a seat belt includes: a cam protrusion which is provided at the other side of a torsion bar that is provided inside a spool, shares a rotation axis with the spool, and rotates together with the spool, the cam protrusion moving in accordance with the rotation of the torsion bar by an operation of a pretensioner; and a rotating member which rotates about a rotating shaft in accordance with the movement of the cam protrusion, and applies external force in a direction opposite to a direction in which a pawl member, which performs an automatic locking function, protrudes.
    Type: Application
    Filed: December 28, 2016
    Publication date: July 13, 2017
    Inventors: Kyung Sang LEE, Taeck Rim SONG, Doo Yong KIM, Jung Hun CHOI, Kwang Min KIM, Jae Hyuk PARK
  • Publication number: 20170148559
    Abstract: High Q-factor inductor structures and RF integrated circuits including the same are provided. The inductor structure includes an inductor line disposed over an insulation layer, an upper metal line disposed over the insulation layer and spaced apart from the inductor line by a predetermined distance, first and second lower metal lines each disposed in the insulation layer and located at different levels from each other in a vertical direction, a lower via coupling the first lower metal line to the second lower metal line, a first upper via coupling the second lower metal line to the inductor line, and a second upper via coupling the second lower metal line to the upper metal line.
    Type: Application
    Filed: March 21, 2016
    Publication date: May 25, 2017
    Inventor: Jung Hun CHOI
  • Publication number: 20170141107
    Abstract: A semiconductor device includes a substrate including a first region, and a second region, a first gate structure and a second gate structure on the substrate of the first region, a third gate structure and a fourth gate structure on the substrate of the second region, a first interlayer insulating film on the substrate of the first region and including a first lower interlayer insulating film and a first upper interlayer insulating film, a second interlayer insulating film on the substrate of the second region and including a second lower interlayer insulating film and a second upper interlayer insulating film, a first contact between the first gate structure and the second gate structure and within the first interlayer insulating film, and a second contact formed between the third gate structure and the fourth gate structure and within the second interlayer insulating film.
    Type: Application
    Filed: October 25, 2016
    Publication date: May 18, 2017
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Sung Soo KIM, Gi Gwan PARK, Jung Hun CHOI, Koung Min RYU, Sun Jung LEE
  • Patent number: 9562816
    Abstract: Provided is an apparatus for inspecting a magazine including a plurality of partially-finished products. The apparatus is configured to inspect a stopper of the magazine before providing the magazine to a packaging process, and further configured to classify the stopper into a normal product. The magazine comprising the stopper classified as the normal product is into the packaging process.
    Type: Grant
    Filed: August 20, 2014
    Date of Patent: February 7, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chang-hwan Ji, Jung-hun Choi, Sung-yeol Lee, Hee-sang Yang, Jae-nam Lee
  • Patent number: 9449916
    Abstract: A radio-frequency integrated circuit (RFIC) includes a substrate, an N-type deep well region disposed in an upper region of the substrate and having a top surface coplanar with a top surface of the substrate, an inductor disposed over the N-type deep well region; and an insulation layer disposed between the inductor and the N-type deep well region, wherein the inductor is electrically insulated from the N-type deep well region by the insulation layer.
    Type: Grant
    Filed: April 20, 2015
    Date of Patent: September 20, 2016
    Assignee: SK Hynix Inc.
    Inventor: Jung Hun Choi
  • Publication number: 20160233164
    Abstract: An integrated circuit device includes a source/drain region having a recess in its top, a contact plug extending on the source/drain region from within the recess, and a metal silicide layer lining the recess and having a first portion covering a bottom of the contact plug and a second portion that is integral with the first portion and covers a lower part of sides of the contact plug. The second portion of the silicide layer may have a thickness different from a thickness of the first portion of the silicide layer. The silicide layer is formed at a relatively low temperature to offer an improved resistance characteristic as between the source/drain region and the contact plug.
    Type: Application
    Filed: January 13, 2016
    Publication date: August 11, 2016
    Inventors: Jung-Hun Choi, Da-Il Eom, Sun-Jung Lee, Sung-Uk Jang
  • Publication number: 20160141245
    Abstract: A radio-frequency integrated circuit (RFIC) includes a substrate, an N-type deep well region disposed in an upper region of the substrate and having a top surface coplanar with a top surface of the substrate, an inductor disposed over the N-type deep well region; and an insulation layer disposed between the inductor and the N-type deep well region, wherein the inductor is electrically insulated from the N-type deep well region by the insulation layer.
    Type: Application
    Filed: April 20, 2015
    Publication date: May 19, 2016
    Inventor: Jung Hun CHOI
  • Patent number: 9168891
    Abstract: A retractor for a seat belt is disclosed, including a frame, a spool that is mounted rotatably to the inside of the frame, a webbing that is wound on the spool to be pulled-in constantly to the inside of the frame and pulled-out freely from the inside of the frame to the outside thereof, a controller for recognizing vehicle information and controlling the pulling-in of the webbing, a motor for generating a driving force to rotate the spool in accordance with the control of the controller and a clutch for receiving the driving force from the motor and transmitting the driving force to the spool wherein the clutch includes; a driven gear that receives the driving force from a driving gear provided on a rotation shaft of the motor; a plate that is provided facing to one end of the driven gear and inter-connected with the driven gear; a braking disk that is provided to be engaged with the other face opposing one face of the plate, facing to one end of the driven gear, and is in friction with the plate to stay tem
    Type: Grant
    Filed: July 8, 2011
    Date of Patent: October 27, 2015
    Assignee: Wooshin Safety Systems Co., Ltd.
    Inventors: Kyung Sang Lee, Jung Hun Choi, Byoung Su Kim, Taek Lim Song
  • Publication number: 20150053595
    Abstract: Provided is an apparatus for inspecting a magazine including a plurality of partially-finished products. The apparatus is configured to inspect a stopper of the magazine before providing the magazine to a packaging process, and further configured to classify the stopper into a normal product. The magazine comprising the stopper classified as the normal product is into the packaging process.
    Type: Application
    Filed: August 20, 2014
    Publication date: February 26, 2015
    Inventors: Chang-hwan Ji, Jung-hun Choi, Sung-yeol Lee, Hee-sang Yang, Jae-nam Lee
  • Publication number: 20130214080
    Abstract: A retractor for a seat belt is disclosed, including a frame, a spool that is mounted rotatably to the inside of the frame, a webbing that is wound on the spool to be pulled-in constantly to the inside of the frame and pulled-out freely from the inside of the frame to the outside thereof, a controller for recognizing vehicle information and controlling the pulling-in of the webbing, a motor for generating a driving force to rotate the spool in accordance with the control of the controller and a clutch for receiving the driving force from the motor and transmitting the driving force to the spool wherein the clutch includes; a driven gear that receives the driving force from a driving gear provided on a rotation shaft of the motor; a plate that is provided facing to one end of the driven gear and inter-connected with the driven gear; a braking disk that is provided to be engaged with the other face opposing one face of the plate, facing to one end of the driven gear, and is in friction with the plate to stay tem
    Type: Application
    Filed: July 8, 2011
    Publication date: August 22, 2013
    Inventors: Kyung Sang Lee, Jung Hun Choi, Byoung Su Kim, Taek Song
  • Patent number: 8476088
    Abstract: Provided is a light emitting diode (LED) having improved light emission efficiency, which can effectively overcome a technical limit of the related art by implementing a surface plasma resonance effect as well as reducing a layer defect such as threading dislocations in an LED structure.
    Type: Grant
    Filed: October 25, 2010
    Date of Patent: July 2, 2013
    Assignee: Industrial Cooperation Foundation Chonbuk National University
    Inventors: In Hwan Lee, Lee Woon Jang, Jin Woo Ju, Jung Hun Choi, Jae Woo Park
  • Publication number: 20110186863
    Abstract: Provided is a light emitting diode (LED) having improved light emission efficiency, which can effectively overcome a technical limit of the related art by implementing a surface plasma resonance effect as well as reducing a layer defect such as threading dislocations in an LED structure.
    Type: Application
    Filed: October 25, 2010
    Publication date: August 4, 2011
    Applicant: Industrial Cooperation Foundation Chonbuk National University
    Inventors: In Hwan Lee, Lee Woon Jang, Jin Woo Ju, Jung Hun Choi, Jae Woo Park
  • Publication number: 20080185660
    Abstract: The invention provides a semiconductor device and a method of forming the same. The method of forming the semiconductor device includes preparing a P-type semiconductor substrate including a low-voltage NMOS region, low-voltage PMOS region, high-voltage NMOS region, and high-voltage PMOS region; forming an N-well in the low-voltage PMOS region and high-voltage PMOS region; forming a P-well in the low-voltage NMOS region and high-voltage NMOS region; and forming a bouncing protection layer in a lower portion of the P-well of the low-voltage PMOS region.
    Type: Application
    Filed: February 1, 2008
    Publication date: August 7, 2008
    Applicant: Samsung Electronics Co., Ltd.
    Inventor: Jung-Hun Choi