Patents by Inventor Cheol-Ju Yun

Cheol-Ju Yun 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).

  • Publication number: 20230112600
    Abstract: There is provided a semiconductor device capable of improving performance and reliability of a device, by adjusting the arrangement of penetration patterns included in an electrode support for supporting the lower electrode. The semiconductor device includes a plurality of lower electrodes that are aligned with each other on a substrate along a first direction and a second direction different from the first direction, and a first electrode support that supports the lower electrodes, and includes a plurality of first penetration patterns, wherein the first electrode support includes a center region, and an edge region defined along a periphery of the center region, wherein the first penetration patterns include center penetration patterns that are spaced apart by a first interval in the center region, and wherein the first penetration patterns include edge penetration patterns that are spaced apart by a second interval different from the first interval in the edge region.
    Type: Application
    Filed: July 18, 2022
    Publication date: April 13, 2023
    Inventors: Cheol Ju Yun, Youn Seon Kang, Eun Shoo Han
  • Publication number: 20230102747
    Abstract: A semiconductor device comprises, a substrate, a first capacitor structure including a plurality of first storage electrodes on the substrate, a first upper electrode on the first storage electrodes and a first capacitor dielectric layer between the plurality of first storage electrodes and the first upper electrode, and a first lower electrode between the first capacitor structure and the substrate and electrically connected with the first capacitor structure. The plurality of first storage electrodes include a first normal storage electrode and a first dummy storage electrode, which are spaced apart from each other. The first normal storage electrode is electrically connected with the first lower electrode, and the first dummy storage electrode is not electrically connected with the first lower electrode.
    Type: Application
    Filed: May 13, 2022
    Publication date: March 30, 2023
    Inventor: Cheol Ju Yun
  • Patent number: 9343355
    Abstract: A method of manufacturing a wiring structure may include forming a first conductive pattern on a substrate, forming a hardmask on the first conductive pattern, forming a first spacer on sidewalls of the first conductive pattern and the hardmask, forming a first sacrificial layer pattern on a sidewall of the first spacer, forming a second spacer on a sidewall of the first sacrificial layer pattern, removing the first sacrificial layer pattern, and forming a third spacer on the second spacer, may be provided. The third spacer may contact an upper portion of the sidewall of the first spacer and define an air gap in association with the first and second spacers. The first spacer has a top surface substantially higher than a top surface of the first conductive pattern. The second spacer has a top surface substantially lower than the top surface of the first spacer.
    Type: Grant
    Filed: March 5, 2014
    Date of Patent: May 17, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chae-Ho Lim, Bo-Young Song, Cheol-Ju Yun
  • Patent number: 9184091
    Abstract: First dopant regions and second dopant regions are provided at both sides of the gate structures. Conductive lines cross over the gate structures and are connected to the first dopant regions. Each of the conductive lines includes a conductive pattern and a capping pattern disposed on the conductive pattern. Contact structures are provided between the conductive lines and are connected to the second dopant regions. Each of the contact structures includes a lower contact pattern disposed on the second dopant region and an upper contact pattern disposed on the lower contact pattern. A bottom surface of the upper contact pattern is lower than a top surface of the conductive pattern.
    Type: Grant
    Filed: December 10, 2013
    Date of Patent: November 10, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Bo-Young Song, Cheol-Ju Yun, Seung-Hee Ko, Jina Kim, Hyun-Gi Kim, Chae-Ho Lim
  • Patent number: 8987860
    Abstract: A semiconductor device includes a substrate having a plurality of active regions defined by a device isolation region, a plurality of conductive patterns on the plurality of active regions, each of the conductive patterns having side walls, a conductive line that faces the side walls of the conductive patterns with an air spacer therebetween on the active regions, the conductive line extending in a first direction, and a first insulating film covering the side walls of the conductive patterns between the air spacer and the conductive pattern. A lower portion of the first insulating film that is near the substrate protrudes toward the air spacer.
    Type: Grant
    Filed: December 11, 2013
    Date of Patent: March 24, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Bo-young Song, Cheol-ju Yun, Seung-hee Ko
  • Patent number: 8946077
    Abstract: A method of manufacturing a semiconductor device includes forming a plurality of conductive lines separated from one another in a first direction via a slender hole and extending in a second direction perpendicular to the first direction, forming a first insulation layer filling the slender hole between the plurality of conductive lines, forming a plurality of first isolated holes separated from one another between the plurality of conductive lines in the first direction and the second direction by patterning the first insulation layer, forming a liner layer in the first isolated holes, filling a second insulation layer having an etching selectivity with respect to the first insulation layer, in the first isolated holes on the liner layer and forming a plurality of second isolated holes between the conductive lines by removing the first insulation layer using the etching selectivity between the second insulation layer and the first insulation layer.
    Type: Grant
    Filed: January 17, 2014
    Date of Patent: February 3, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyeon-Kyu Lee, Bo-Young Song, Seung-Hee Ko, Jin-A Kim, Hyun-Gi Kim, Cheol-Ju Yun, Chae-Ho Lim
  • Publication number: 20140264953
    Abstract: A method of manufacturing a wiring structure may include forming a first conductive pattern on a substrate, forming a hardmask on the first conductive pattern, forming a first spacer on sidewalls of the first conductive pattern and the hardmask, forming a first sacrificial layer pattern on a sidewall of the first spacer, forming a second spacer on a sidewall of the first sacrificial layer pattern, removing the first sacrificial layer pattern, and forming a third spacer on the second spacer, may be provided. The third spacer may contact an upper portion of the sidewall of the first spacer and define an air gap in association with the first and second spacers. The first spacer has a top surface substantially higher than a top surface of the first conductive pattern. The second spacer has a top surface substantially lower than the top surface of the first spacer.
    Type: Application
    Filed: March 5, 2014
    Publication date: September 18, 2014
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chae-Ho LIM, Bo-Young SONG, Cheol-Ju YUN
  • Publication number: 20140231892
    Abstract: First dopant regions and second dopant regions are provided at both sides of the gate structures. Conductive lines cross over the gate structures and are connected to the first dopant regions. Each of the conductive lines includes a conductive pattern and a capping pattern disposed on the conductive pattern. Contact structures are provided between the conductive lines and are connected to the second dopant regions. Each of the contact structures includes a lower contact pattern disposed on the second dopant region and an upper contact pattern disposed on the lower contact pattern. A bottom surface of the upper contact pattern is lower than a top surface of the conductive pattern.
    Type: Application
    Filed: December 10, 2013
    Publication date: August 21, 2014
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Bo-Young SONG, Cheol-Ju YUN, Seung-Hee KO, Jina KIM, Hyun-Gi KIM, Chae-Ho LIM
  • Publication number: 20140206186
    Abstract: A method of manufacturing a semiconductor device includes forming a plurality of conductive lines separated from one another in a first direction via a slender hole and extending in a second direction perpendicular to the first direction, forming a first insulation layer filling the slender hole between the plurality of conductive lines, forming a plurality of first isolated holes separated from one another between the plurality of conductive lines in the first direction and the second direction by patterning the first insulation layer, forming a liner layer in the first isolated holes, filling a second insulation layer having an etching selectivity with respect to the first insulation layer, in the first isolated holes on the liner layer and forming a plurality of second isolated holes between the conductive lines by removing the first insulation layer using the etching selectivity between the second insulation layer and the first insulation layer.
    Type: Application
    Filed: January 17, 2014
    Publication date: July 24, 2014
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyeon-Kyu Lee, Bo-Young Song, Seung-Hee Ko, Jin-A Kim, Hyun-Gi Kim, Cheol-Ju Yun, Chae-Ho Lim
  • Publication number: 20140159194
    Abstract: A semiconductor device includes a substrate having a plurality of active regions defined by a device isolation region, a plurality of conductive patterns on the plurality of active regions, each of the conductive patterns having side walls, a conductive line that faces the side walls of the conductive patterns with an air spacer therebetween on the active regions, the conductive line extending in a first direction, and a first insulating film covering the side walls of the conductive patterns between the air spacer and the conductive pattern. A lower portion of the first insulating film that is near the substrate protrudes toward the air spacer.
    Type: Application
    Filed: December 11, 2013
    Publication date: June 12, 2014
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Bo-young SONG, Cheol-ju YUN, Seung-hee KO
  • Patent number: 7691719
    Abstract: Embodiments of a semiconductor device having storage nodes include an interlayer insulating layer disposed on a semiconductor substrate; a conductive pad disposed in the interlayer insulating layer to contact with a predetermined portion of the substrate, an upper portion of the conductive pad protruding above the interlayer insulating layer; an etch stop layer disposed on the conductive pad and the interlayer insulating layer; and storage nodes penetrating the etch stop layer and disposed on the conductive pad. A penetration path of wet etchant is completely blocked during the wet etch process that removes the mold oxide layer. Therefore, inadvertent etching of the insulating layer due to penetration of wet etchant is prevented, resulting in a stronger, more stable, storage node structure.
    Type: Grant
    Filed: July 14, 2006
    Date of Patent: April 6, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Cheol-Ju Yun, Kang-Yoon Lee, In-Ho Nam
  • Patent number: 7557410
    Abstract: A semiconductor device comprises a plurality of gate structures formed on a substrate, a gate spacer formed on a sidewall of the gate structures, a semiconductor pattern formed on the substrate between the gate structures, a first impurity region and a second impurity region formed in the semiconductor pattern and at surface portions of the substrate, respectively, wherein the first and second impurity regions include a first conductive type impurity, and a channel doping region surrounding the first impurity region, wherein the channel doping region includes a second conductive type impurity.
    Type: Grant
    Filed: June 27, 2007
    Date of Patent: July 7, 2009
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jin-Woo Lee, Cheol-Ju Yun, Hyeoung-Won Seo
  • Patent number: 7547938
    Abstract: A method of manufacturing a semiconductor device includes forming conductive structures on a substrate. Each of the conductive structures has a line shape that extends along a first direction parallel to the substrate. Insulating spacers are formed on upper sidewalls of the conductive structures. An insulating interlayer is formed that covers the conductive structures. A portion of the insulating interlayer between the conductive structures is etched to form a contact hole. An upper portion of the contact hole is larger than a lower portion thereof. The upper portion of the contact hole has a first width along the first direction and a second width along a second direction parallel to the substrate and substantially perpendicular to the first direction. The first width is substantially larger than the second width. The contact hole is filled with a conductive material to form a contact plug.
    Type: Grant
    Filed: December 12, 2007
    Date of Patent: June 16, 2009
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Cheol-ju Yun, Tae-young Chung, Dong-jun Lee
  • Patent number: 7488644
    Abstract: Bit lines having first conductive patterns and bit line mask patterns are formed on a first insulating layer between capacitor contact regions of a substrate. An oxide second insulating layer is formed on the bit lines and contact patterns are formed to open storage node contact hole regions corresponding to portions of the second insulating layer. First spacers are formed on sidewalls of the etched portions. The second and first insulating layers are etched to form storage node contact holes exposing the capacitor contact regions. Simultaneously, second spacers of the second insulating layer are formed beneath the first spacers. A second conductive layer fills the storage node contact holes to form storage node contact pads. A loss of the bit line mask pattern decreases due to the reduced thickness of the bit line mask pattern and a bit line loading capacitance decreases due to the second spacers.
    Type: Grant
    Filed: May 21, 2007
    Date of Patent: February 10, 2009
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jae-Goo Lee, Cheol-Ju Yun
  • Patent number: 7482222
    Abstract: A semiconductor device comprises a plurality of gate structures formed on a substrate, a gate spacer formed on a sidewall of the gate structures, a semiconductor pattern formed on the substrate between the gate structures, a first impurity region and a second impurity region formed in the semiconductor pattern and at surface portions of the substrate, respectively, wherein the first and second impurity regions include a first conductive type impurity, and a channel doping region surrounding the first impurity region, wherein the channel doping region includes a second conductive type impurity.
    Type: Grant
    Filed: June 27, 2007
    Date of Patent: January 27, 2009
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jin-Woo Lee, Cheol-Ju Yun, Hyeoung-Won Seo
  • Patent number: 7476585
    Abstract: A semiconductor device including storage nodes and a method of manufacturing the same: The method includes forming an insulating layer and an etch stop layer on a semiconductor substrate; forming storage node contact bodies to be electrically connected to the semiconductor substrate by penetrating the insulating layer and the etch stop layer; forming landing pads on the etch stop layer to be electrically connected to the storage node contact bodies, respectively; and forming storage nodes on the landing pads, respectively, the storage nodes of which outward sidewalls are completely exposed and which are arranged at an angle to each other.
    Type: Grant
    Filed: January 9, 2007
    Date of Patent: January 13, 2009
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chang-Hyun Cho, Tae-Young Chung, Cheol-Ju Yun, Jae-Goo Lee, Ju-Yong Lee
  • Patent number: 7388243
    Abstract: A self-aligned buried contact (BC) pair includes a substrate having diffusion regions; an oxide layer exposing a pair of diffusion regions formed on the substrate; bit lines formed between adjacent diffusion regions and on the oxide layer, each of the bit lines having bit line sidewall spacers formed on sidewalls thereof; a first interlayer dielectric (ILD) layer formed over the bit lines and the oxide layer; a pair of BC pads formed between adjacent bit lines and within the first ILD layer, each BC pad being aligned with one of the pair of exposed diffusion regions in the substrate; and a pair of capacitors, each of the pair of BC pads having one of the pair of capacitors formed thereon, wherein a pair of the bit line sidewall spacers is adjacent to each of the BC pads and the pair of bit line sidewall spacers has an asymmetrical shape.
    Type: Grant
    Filed: May 9, 2006
    Date of Patent: June 17, 2008
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Cheol-Ju Yun, Chang-Hyun Cho, Tae-Young Chung
  • Publication number: 20080088025
    Abstract: A method of manufacturing a semiconductor device includes forming conductive structures on a substrate. Each of the conductive structures has a line shape that extends along a first direction parallel to the substrate. Insulating spacers are formed on upper sidewalls of the conductive structures. An insulating interlayer is formed that covers the conductive structures. A portion of the insulating interlayer between the conductive structures is etched to form a contact hole. An upper portion of the contact hole is larger than a lower portion thereof. The upper portion of the contact hole has a first width along the first direction and a second width along a second direction parallel to the substrate and substantially perpendicular to the first direction. The first width is substantially larger than the second width. The contact hole is filled with a conductive material to form a contact plug.
    Type: Application
    Filed: December 12, 2007
    Publication date: April 17, 2008
    Inventors: Cheol-ju Yun, Tae-young Chung, Dong-jun Lee
  • Patent number: 7326613
    Abstract: A method of manufacturing a semiconductor device includes forming conductive structures on a substrate. Each of the conductive structures has a line shape that extends along a first direction parallel to the substrate. Insulating spacers are formed on upper sidewalls of the conductive structures. An insulating interlayer is formed that covers the conductive structures. A portion of the insulating interlayer between the conductive structures is etched to form a contact hole. An upper portion of the contact hole is larger than a lower portion thereof. The upper portion of the contact hole has a first width along the first direction and a second width along a second direction parallel to the substrate and substantially perpendicular to the first direction. The first width is substantially larger than the second width. The contact hole is filled with a conductive material to form a contact plug.
    Type: Grant
    Filed: March 31, 2005
    Date of Patent: February 5, 2008
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Cheol-ju Yun, Tae-young Chung, Dong-jun Lee
  • Patent number: 7321146
    Abstract: A DRAM memory cell includes a semiconductor substrate, an interlayer dielectric having storage node contact plugs that is formed on the semiconductor substrate, and storage node electrodes that are formed on the interlayer dielectric to contact the storage node contact plugs. The storage node contact plugs are formed such that an entrance portion is formed to be larger in linewidth than a contacting portions, and they are formed in gaps between the bit line structures. From a plan view perspective, the storage node electrodes of one column are offset from the storage node contact plugs in an adjacent column, such that the storage node electrodes are in a diagonal arrangement throughout the semiconductor substrate.
    Type: Grant
    Filed: February 10, 2006
    Date of Patent: January 22, 2008
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Cheol-ju Yun, Sun-hoo Park