Patents by Inventor Myeong-Cheol Kim

Myeong-Cheol Kim 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: 8310055
    Abstract: Semiconductor devices and methods of forming semiconductor devices are provided in which a plurality of patterns are simultaneously formed to have different widths and the pattern densities of some regions are increased using double patterning.
    Type: Grant
    Filed: December 23, 2009
    Date of Patent: November 13, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young-ju Park, Jae-ho Min, Myeong-cheol Kim, Dong-chan Kim, Jae-hwang Sim
  • Patent number: 8263487
    Abstract: A method of forming fine patterns of a semiconductor device by using carbon (C)-containing films includes forming an etching target film on a substrate including first and second regions; forming a plurality of first C-containing film patterns on the etching target film in the first region; forming a buffer layer which covers top and side surfaces of the plurality of first C-containing film patterns; forming a second C-containing film; removing the second C-containing film in the second region; exposing the plurality of first C-containing film patterns by removing a portion of the buffer layer in the first and second regions; and etching the etching target film by using the plurality of first C-containing film patterns, and portions of the second C-containing film which remain in the first region, as an etching mask.
    Type: Grant
    Filed: December 29, 2009
    Date of Patent: September 11, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dong-ki Yoon, Shi-yong Yi, Seong-woon Choi, Seok-hwan Oh, Kwang-sub Yoon, Myeong-cheol Kim, Young-ju Park
  • Patent number: 8254299
    Abstract: The invention proposes a method for indicating the validity of physical channels of a control cell and a neighboring cell carrying point-to-multipoint service data in a wireless communication system. The method includes the following steps: generating a message comprising configuration information for each of said channels; including validity information with the message for deriving the validity timing of the configuration information for each of said channels; and transmitting the message to a mobile terminal (10) through the control cell. The invention also proposes a mobile equipment (10) and a Radio Network Controller (111), respectively adapted to implement the above method.
    Type: Grant
    Filed: March 29, 2006
    Date of Patent: August 28, 2012
    Assignee: LG Electronics Inc.
    Inventor: Myeong-Cheol Kim
  • Patent number: 8247291
    Abstract: A method of fabricating an integrated circuit device includes forming first and second preliminary mask structures on a hard mask layer in respective first and second regions of the substrate. Spacers are formed on opposing sidewalls of the first and second preliminary mask structures, and the first preliminary mask structure is selectively removed from between the spacers in the first region. The hard mask layer is etched using the spacers and the second preliminary mask structure as a mask to define a first mask pattern including the opposing sidewall spacers with a void therebetween in the first region and a second mask pattern including the opposing sidewall spacers and the second preliminary mask structure therebetween in the second region.
    Type: Grant
    Filed: January 19, 2011
    Date of Patent: August 21, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jae-Ho Min, Young-Ju Park, Myeong-Cheol Kim
  • Publication number: 20120156867
    Abstract: A method of manufacturing a semiconductor device includes forming a gate structure through a first insulating interlayer on a substrate such that the gate structure includes a spacer on a sidewall thereof, forming a first hard mask on the gate structure, partially removing the first insulating interlayer using the first hard mask as an etching mask to form a first contact hole such that the first contact hole exposes a top surface of the substrate, forming a metal silicide pattern on the top surface of the substrate exposed by the first contact hole, and forming a plug electrically connected to the metal silicide pattern.
    Type: Application
    Filed: November 30, 2011
    Publication date: June 21, 2012
    Inventors: Soo-Yeon Jeong, Myeong-Cheol Kim, Do-Hyoung Kim, Do-Haing Lee, Nam-Myun Cho, In-Ho Kim
  • Publication number: 20120135577
    Abstract: A method of manufacturing a semiconductor device, including the second sacrificial layer receiving a gate structure include a metal and a spacer on a sidewall of the gate structure therethrough being formed on a substrate. The second sacrificial layer is removed. A second etch stop layer and an insulating interlayer are sequentially formed on the gate structure, the spacer and the substrate. An opening passing through the insulating interlayer is formed to expose a portion of the gate structure, a portion of the spacer and a portion of the second etch stop layer on a portion of the substrate. The second etch stop layer being exposed through the opening is removed. The contact being electrically connected to the gate structure and the substrate and filling the opening is formed. The semiconductor device having the metal gate electrode and the shared contact has a desired leakage current characteristic and resistivity characteristics.
    Type: Application
    Filed: November 28, 2011
    Publication date: May 31, 2012
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Doo-Young LEE, Ki Il Kim, Myeong-Cheol Kim, Do-Hyoung Kim, Do-Hsing Lee
  • Publication number: 20120122284
    Abstract: A method of manufacturing a semiconductor device includes forming a plurality of gate structures including a metal on a substrate having an isolation layer, forming first insulating interlayer patterns covering sidewalls of the gate structures, forming first capping layer patterns and a second capping layer pattern on the gate structures and the first insulating interlayer patterns, the first capping layer patterns covering upper faces of the gate structures, and the second capping layer pattern overlapping the isolation layer, partially removing the first insulating interlayer patterns using the first and the second capping layer patterns as etching masks to form first openings that expose portions of the substrate, forming metal silicide patterns on the portions of the substrate exposed in the forming of the first openings, and forming conductive structures on the metal silicide patterns.
    Type: Application
    Filed: October 4, 2011
    Publication date: May 17, 2012
    Inventors: Sang-Jin KIM, Jong-Chan Shin, Yong-Kug Bae, Myeong-Cheol Kim, Do-Hyoung Kim
  • Publication number: 20120088359
    Abstract: Example embodiments relate to a method for manufacturing a semiconductor device, wherein a metal gate electrode therein may be formed without a void in a lower portion of the metal gate electrode. The method may include providing a substrate, forming a dummy gate electrode on the substrate, forming a gate spacer on the substrate to be contiguous to the dummy gate electrode, forming a first recess by simultaneously removing a portion of the dummy gate electrode and a portion of the gate spacer, the first recess having an upper end wider than a lower end, forming a second recess by removing the dummy gate electrode remaining after forming the first recess, and forming a metal gate electrode by depositing a metal to fill the first and second recesses.
    Type: Application
    Filed: September 23, 2011
    Publication date: April 12, 2012
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dong-Kwon Kim, Young-Ju Park, Dong-Hyuk Yeam, Yoo-Jung Lee, Myeong-Cheol Kim, Do-Hyoung Kim, Heung-Sik Park
  • Publication number: 20120080723
    Abstract: A fabricating method of a semiconductor device includes providing a substrate having a first region and a second region, forming a plurality of first gates in the first region of the substrate, such that the first gates are spaced apart from each other at a first pitch, forming a plurality of second gates in the second region of the substrate, such that the second gates are spaced apart from each other at a second pitch different from the first pitch, implanting an etch rate adjusting dopant into the second region to form implanted regions, while blocking the first region, forming a first trench by etching the first region between the plurality of first gates, and forming a second trench by etching the second region between the plurality of second gates.
    Type: Application
    Filed: August 19, 2011
    Publication date: April 5, 2012
    Inventors: Jin-Wook LEE, Myeong-Cheol Kim, Sang-Min Lee, Young-Ju Park, Hyung-Yong Kim, Myung-Hoon Jung
  • Publication number: 20120034784
    Abstract: Methods of forming a semiconductor device may include providing a feature layer having a first region and a second region. The methods may also include forming a dual mask layer on the feature layer. The methods may further include forming a variable mask layer on the dual mask layer. The methods may additionally include forming a first structure on the feature layer in the first region and a second structure on the feature layer in the second region by patterning the variable mask layer and the dual mask layer. The methods may also include forming a first spacer on a sidewall of the first structure and a second spacer on a sidewall of the second structure. The methods may further include removing the first structure while maintaining at least a portion of the second structure.
    Type: Application
    Filed: September 23, 2011
    Publication date: February 9, 2012
    Inventors: Jae-Ho Min, O-lk Kwon, Bum-Soo Kim, Dong-chan Kim, Myeong-cheol Kim
  • Patent number: 8110506
    Abstract: Methods of forming a semiconductor device can be provided by simultaneously forming a plurality of mask patterns using self-aligned reverse patterning, including respective mask pattern elements having different widths.
    Type: Grant
    Filed: April 23, 2009
    Date of Patent: February 7, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jae-Ho Min, O-Ik Kwon, Bum-Soo Kim, Dong-chan Kim, Myeong-cheol Kim
  • Publication number: 20110312183
    Abstract: For patterning during integrated circuit fabrication, a first pattern of first masking structures is formed, and a buffer layer is formed on exposed surfaces of the first masking structures. Also, a second pattern of second masking structures is formed in recesses between the buffer layer at sidewalls of the first masking structures. Furthermore, the first and masking structures are formed from spin-coating respective high carbon containing materials. Such first and second masking structures pattern a target layer with higher pitch than possible with traditional photolithography.
    Type: Application
    Filed: August 25, 2011
    Publication date: December 22, 2011
    Inventors: Shi-Yong Yi, Myeong-Cheol Kim, Dong-Ki Yoon, Kyung-Yub Jeon, Ji-Hoon Cha
  • Patent number: 8080886
    Abstract: An integrated circuit semiconductor device including a cell region formed in a first portion of a silicon substrate, the cell region including a first trench formed in the silicon substrate, a first buried insulating layer filled in the first trench, a first insulating pattern formed over the silicon substrate, and a first conductive pattern formed over the first insulating pattern. An overlay key region is formed in a second portion of the silicon substrate and includes a second trench formed in the silicon substrate, a second insulating pattern formed over the silicon substrate and used as an overlay key, and a second conductive pattern formed over the second insulating pattern and formed by correcting overlay and alignment errors using the second insulating pattern.
    Type: Grant
    Filed: April 29, 2008
    Date of Patent: December 20, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chang-Jin Kang, Myeong-Cheol Kim, Man-Hyoung Ryoo, Si-Hyeung Lee, Doo-Youl Lee
  • Patent number: 8029688
    Abstract: For patterning during integrated circuit fabrication, a first pattern of first masking structures is formed, and a buffer layer is formed on exposed surfaces of the first masking structures. Also, a second pattern of second masking structures is formed in recesses between the buffer layer at sidewalls of the first masking structures. Furthermore, the first and masking structures are formed from spin-coating respective high carbon containing materials. Such first and second masking structures pattern a target layer with higher pitch than possible with traditional photolithography.
    Type: Grant
    Filed: July 9, 2008
    Date of Patent: October 4, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Shi-Yong Yi, Myeong-Cheol Kim, Dong-Ki Yoon, Kyung-Yub Jeon, Ji-Hoon Cha
  • Publication number: 20110222459
    Abstract: The present invention provides for managing channel configuration information in a wireless communication system. Preferably, the present invention receives transport channel configuration information for configuring at least one transport channel currently not mapping a point-to-multipoint service, wherein the at least one transport channel is capable of mapping at least one new point-to-multipoint service at the start or before the stop of the at least one new point-to-multipoint service, determines whether to receive the at least one new point-to-multipoint service, and reads configuration information for the at least one new point-to-multipoint service at the start of the at least one new point-to-multipoint service if it is determined that the at least one new point-to-multipoint service is to be received.
    Type: Application
    Filed: May 23, 2011
    Publication date: September 15, 2011
    Inventor: Myeong-Cheol Kim
  • Patent number: 8014376
    Abstract: The present invention provides for managing channel configuration information in a wireless communication system. Preferably, the present invention receives transport channel configuration information for configuring at least one transport channel currently not mapping a point-to-multipoint service, wherein the at least one transport channel is capable of mapping at least one new point-to-multipoint service at the start or before the stop of the at least one new point-to-multipoint service, determines whether to receive the at least one new point-to-multipoint service, and reads configuration information for the at least one new point-to-multipoint service at the start of the at least one new point-to-multipoint service if it is determined that the at least one new point-to-multipoint service is to be received.
    Type: Grant
    Filed: January 5, 2006
    Date of Patent: September 6, 2011
    Assignee: LG Electronics, Inc.
    Inventor: Myeong-Cheol Kim
  • Patent number: 7998357
    Abstract: For integrated circuit fabrication, at least one spacer support structure is formed in a first area over a semiconductor substrate, and a mask material is deposited on exposed surfaces of the spacer support structure and on a second area over the semiconductor substrate. A masking structure is formed on a portion of the mask material in the second area, and the mask material is patterned to form spacers on sidewalls of the spacer support structure and to form a mask pattern under the masking structure. The spacer support structure and the masking structure are comprised of respective high carbon content materials that have been spin-coated and have substantially a same etch selectivity.
    Type: Grant
    Filed: July 9, 2008
    Date of Patent: August 16, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Nam-Myun Cho, Myeong-Cheol Kim, Shi-Yong Yi, Young-Hoon Song, Young-Ju Park
  • Patent number: 7998874
    Abstract: A method for forming hard mask patterns includes, sequentially forming first, second, and third hard mask layers formed of materials having different etching selectivities on a substrate, forming first sacrificial patterns having a first pitch therebetween on the third hard mask layer, forming fourth hard mask patterns with a second pitch between the first sacrificial patterns, the second pitch being substantially equal to about ½ of the first pitch, patterning the third hard mask layer to form third hard mask patterns using the fourth hard mask patterns as an etch mask, patterning the second hard mask layer to form second hard mask patterns using the third and fourth hard mask patterns as an etch mask, and patterning the first hard mask layer to form first hard mask patterns with the second pitch therebetween using the second and third hard mask patterns as an etch mask.
    Type: Grant
    Filed: October 30, 2007
    Date of Patent: August 16, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hak-sun Lee, Myeong-cheol Kim, Kyung-yub Jeon, Cha-won Koh, Ji-young Lee
  • Publication number: 20110183505
    Abstract: A method of fabricating an integrated circuit device includes forming first and second preliminary mask structures on a hard mask layer in respective first and second regions of the substrate. Spacers are formed on opposing sidewalls of the first and second preliminary mask structures, and the first preliminary mask structure is selectively removed from between the spacers in the first region. The hard mask layer is etched using the spacers and the second preliminary mask structure as a mask to define a first mask pattern including the opposing sidewall spacers with a void therebetween in the first region and a second mask pattern including the opposing sidewall spacers and the second preliminary mask structure therebetween in the second region.
    Type: Application
    Filed: January 19, 2011
    Publication date: July 28, 2011
    Inventors: Jae-Ho Min, Young-Ju Park, Myeong-Cheol Kim
  • Patent number: 7935635
    Abstract: A method of forming fine patterns of semiconductor device according to an example embodiment may include forming a plurality of multi-layered mask patterns by stacking first mask patterns and buffer mask patterns on an etch film to be etched on a substrate, forming, on the etch film, second mask patterns in spaces between the plurality of multi-layered mask patterns, removing the second mask patterns to expose upper surfaces of the first mask patterns, and forming the fine patterns by etching the etch film using the first and second mask patterns as an etch mask. This example embodiment may result in the formation of diverse dimensions at diverse pitches on a single substrate.
    Type: Grant
    Filed: March 6, 2008
    Date of Patent: May 3, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kyung-yub Jeon, Myeong-cheol Kim, Doo-youl Lee, Hak-sun Lee