Patents by Inventor Suk-kang Sung

Suk-kang Sung 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: 20120015512
    Abstract: A non-volatile memory device includes field insulating layer patterns on a substrate to define an active region of the substrate, upper portions of the field insulating layer patterns protruding above an upper surface of the substrate, a tunnel insulating layer on the active region, a charge trapping layer on the tunnel insulating layer, a blocking layer on the charge trapping layer, first insulating layers on upper surfaces of the field insulating layer patterns, and a word line structure on the blocking layer and first insulating layers.
    Type: Application
    Filed: September 21, 2011
    Publication date: January 19, 2012
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Suk-Kang SUNG, Choong-Ho Lee, Dong-Uk Choi, Hee-Soo Kang
  • Patent number: 8044453
    Abstract: A non-volatile memory device includes field insulating layer patterns on a substrate to define an active region of the substrate, upper portions of the field insulating layer patterns protruding above an upper surface of the substrate, a tunnel insulating layer on the active region, a charge trapping layer on the tunnel insulating layer, a blocking layer on the charge trapping layer, first insulating layers on upper surfaces of the field insulating layer patterns, and a word line structure on the blocking layer and first insulating layers.
    Type: Grant
    Filed: December 30, 2008
    Date of Patent: October 25, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Suk-Kang Sung, Choong-Ho Lee, Dong-Uk Choi, Hee-Soo Kang
  • Publication number: 20110140202
    Abstract: A flash memory device, including a cell array region where a plurality of memory cells are connected in series to a single cell string, the cell array region including a pocket p-well configured to accommodate the plurality of memory cells and an n-well configured to surround the pocket p-well, a first peripheral region where low-voltage (LV) and high-voltage (HV) switches are connected to the memory cells through a word line, and a second peripheral region where bulk voltage switches are connected to bulk regions of the LV and HV switches.
    Type: Application
    Filed: December 9, 2010
    Publication date: June 16, 2011
    Inventors: Yoon-Moon PARK, Se-Jun Park, Suk-Kang Sung, Keon-Soo Kim, Jung-Dal Choi, Choong-Ho Lee, Jin-Hyun Shin, Seung-Wook Choi, Dong-Hoon Jang
  • Patent number: 7867849
    Abstract: Example embodiments relate to methods of fabricating a non-volatile memory device. According to example embodiments, a method of fabricating a non-volatile memory device may include forming at least one gate structure on an upper face of a substrate. The at least one gate structure may include a tunnel insulation layer pattern, a charge storing layer pattern, a dielectric layer pattern and a control gate. According to example embodiments, a method of fabricating a non-volatile memory device may also include forming a silicon nitride layer on the upper face of the substrate to cover the at least one gate structure, forming an insulating interlayer on the silicon nitride layer on the upper face of the substrate, and providing an annealing gas toward the upper face of the substrate and a lower face of the substrate to cure defects of the tunnel insulation layer pattern.
    Type: Grant
    Filed: August 1, 2008
    Date of Patent: January 11, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Choong-Ho Lee, Jai-Hyuk Song, Dong-Uk Choi, Suk-Kang Sung
  • Publication number: 20100317169
    Abstract: Provided is a method of manufacturing a non-volatile memory device by performing ion implantation at an angle such that active regions of memory cell transistors in a cell region and peripheral transistors in a peripheral region each have different doping concentrations.
    Type: Application
    Filed: February 18, 2010
    Publication date: December 16, 2010
    Inventors: Suk-kang Sung, Keon-soo Kim, Min-chul Kim, Se-jun Park
  • Patent number: 7807517
    Abstract: Provided are methods for fabricating semiconductor devices incorporating a fin-FET structure that provides body-bias control, exhibits some characteristic advantages associated with SOI structures, provides increased operating current and/or reduced contact resistance. The methods for fabricating semiconductor devices include forming insulating spacers on the sidewalls of a protruding portion of a first insulation film; forming a second trench by removing exposed regions of the semiconductor substrate using the insulating spacers as an etch mask, and thus forming fins in contact with and supported by the first insulation film. After forming the fins, a third insulation film is formed to fill the second trench and support the fins. A portion of the first insulation film is then removed to open a space between the fins in which additional structures including gate dielectrics, gate electrodes and additional contact, insulating and storage node structures may be formed.
    Type: Grant
    Filed: July 28, 2008
    Date of Patent: October 5, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Suk-Pil Kim, Yoon-Dong Park, Won-Joo Kim, Dong-Gun Park, Eun-Suk Cho, Suk-Kang Sung, Byung-Yong Choi, Tae-Yong Kim, Choong-Ho Lee
  • Publication number: 20090321815
    Abstract: A non-volatile memory device, including a substrate of a first conductivity type, the substrate including a plurality of wells of a second conductivity type, a plurality of memory cells in one of the plurality of wells of the second conductivity type, and a peripheral circuit including at least one first transistor of the second conductivity type on the substrate, and at least one second transistor of the first conductivity type in another one of the plurality of wells of the second conductivity type.
    Type: Application
    Filed: April 28, 2009
    Publication date: December 31, 2009
    Inventors: Suk-kang Sung, Jung-dal Choi, Choong-ho Lee, Sung-hoi Hur
  • Patent number: 7615437
    Abstract: A method of manufacturing a non-volatile memory device includes sequentially depositing a first insulation layer, a charge storage layer, and a second insulation layer on a substrate, forming a first opening through the resultant structure to expose the substrate, forming second and third openings through the second insulation layer to form a second insulation layer pattern, forming a conductive layer on the second insulation layer pattern, forming a photoresist pattern structure on the conductive layer, and forming simultaneously a common source line, at least one ground selection line, at least one string selection line, and a plurality of gate structures on the substrate by etching through the photoresist pattern structure, wherein the common source line and the gate structures are formed simultaneously on a substantially same level and of substantially same components.
    Type: Grant
    Filed: May 13, 2008
    Date of Patent: November 10, 2009
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Suk-Kang Sung, Kyu-Charn Park, Choong-Ho Lee
  • Patent number: 7602010
    Abstract: In a non-volatile memory device allowing multi-bit and/or multi-level operations, and methods of operating and fabricating the same, the non-volatile memory device comprises, in one embodiment: a semiconductor substrate, doped with impurities of a first conductivity type, which has one or more fins defined by at least two separate trenches formed in the substrate, the fins extending along the substrate in a first direction; pairs of gate electrodes formed as spacers at sidewalls of the fins, wherein the gate electrodes are insulated from the semiconductor substrate including the fins and extend parallel to the fins; storage nodes between the gate electrodes and the fins, and insulated from the gate electrodes and the semiconductor substrate; source regions and drain regions, which are doped with impurities of a second conductivity type, and are separately formed at least at surface portions of the fins and extend across the first direction of the fins; and channel regions corresponding to the respective gate
    Type: Grant
    Filed: April 19, 2006
    Date of Patent: October 13, 2009
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Byung-yong Choi, Tae-yong Kim, Eun-suk Cho, Suk-kang Sung, Hye-jin Cho, Dong-gun Park, Choong-ho Lee
  • Publication number: 20090191681
    Abstract: A NOR-type flash memory device comprises a plurality twin-bit memory cells arranged so that pairs of adjacent memory cells share a source/drain region and groups of four adjacent memory cells are electrically connected to each other by a single bitline contact.
    Type: Application
    Filed: April 6, 2009
    Publication date: July 30, 2009
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jae-Man YOON, Suk-kang SUNG, Dong-Gun PARK, Choong-Ho LEE, Tae-Yong KIM
  • Publication number: 20090166714
    Abstract: A non-volatile memory device includes field insulating layer patterns on a substrate to define an active region of the substrate, upper portions of the field insulating layer patterns protruding above an upper surface of the substrate, a tunnel insulating layer on the active region, a charge trapping layer on the tunnel insulating layer, a blocking layer on the charge trapping layer, first insulating layers on upper surfaces of the field insulating layer patterns, and a word line structure on the blocking layer and first insulating layers.
    Type: Application
    Filed: December 30, 2008
    Publication date: July 2, 2009
    Inventors: Suk-Kang Sung, Choong-Ho Lee, Dong-Uk Choi, Hee-Soo Kang
  • Publication number: 20090035906
    Abstract: Example embodiments relate to methods of fabricating a non-volatile memory device. According to example embodiments, a method of fabricating a non-volatile memory device may include forming at least one gate structure on an upper face of a substrate. The at least one gate structure may include a tunnel insulation layer pattern, a charge storing layer pattern, a dielectric layer pattern and a control gate. According to example embodiments, a method of fabricating a non-volatile memory device may also include forming a silicon nitride layer on the upper face of the substrate to cover the at least one gate structure, forming an insulating interlayer on the silicon nitride layer on the upper face of the substrate, and providing an annealing gas toward the upper face of the substrate and a lower face of the substrate to cure defects of the tunnel insulation layer pattern.
    Type: Application
    Filed: August 1, 2008
    Publication date: February 5, 2009
    Inventors: Choong-Ho Lee, Jai-Hyuk Song, Dong-Uk Choi, Suk-Kang Sung
  • Publication number: 20080308860
    Abstract: A method of forming a semiconductor device pattern, a method of forming a charge storage pattern, a non-volatile memory device including a charge storage pattern and a method of manufacturing the same are provided. The method of forming the charge storage pattern including forming a trench on a substrate, and a device isolation pattern in the trench. The device isolation pattern protrudes from a surface of the substrate such that an opening exposing the substrate is formed. A tunnel oxide layer is formed on the substrate in the opening. A preliminary charge storage pattern is formed on the tunnel oxide layer and the device isolation pattern by selective deposition of conductive materials. The preliminary charge storage pattern may be removed from the device isolation pattern. The preliminary charge storage pattern remains only on the tunnel oxide layer to form the charge storage pattern on the substrate.
    Type: Application
    Filed: June 18, 2008
    Publication date: December 18, 2008
    Inventors: Hee-Soo Kang, Choong-Ho Lee, Suk-Kang Sung, Se-Jun Park
  • Publication number: 20080296657
    Abstract: A non-volatile memory device includes a substrate and a tunnel insulation layer pattern, such that each portion of the tunnel insulation pattern extends along a first direction and adjacent portions of the tunnel insulation layer pattern may be separated in a second direction that is substantially perpendicular to the first direction. A non-volatile memory device may include a gate structure formed on the tunnel insulation layer pattern. The gate structure may include a floating gate formed on the tunnel insulation layer pattern along the second direction, a first conductive layer pattern formed on the floating gate in the second direction, a dielectric layer pattern formed on the first conductive layer pattern along the second direction, and a control gate formed on the dielectric layer pattern in the second direction.
    Type: Application
    Filed: May 28, 2008
    Publication date: December 4, 2008
    Inventors: Suk-Kang Sung, Choong-Ho Lee, Sang-wook Lim, Dong-Uk Choi, Hee-Soo Kang, Kyu-Charn Park
  • Publication number: 20080293215
    Abstract: Provided are methods for fabricating semiconductor devices incorporating a fin-FET structure that provides body-bias control, exhibits some characteristic advantages associated with SOI structures, provides increased operating current and/or reduced contact resistance. The methods for fabricating semiconductor devices include forming insulating spacers on the sidewalls of a protruding portion of a first insulation film; forming a second trench by removing exposed regions of the semiconductor substrate using the insulating spacers as an etch mask, and thus forming fins in contact with and supported by the first insulation film. After forming the fins, a third insulation film is formed to fill the second trench and support the fins. A portion of the first insulation film is then removed to open a space between the fins in which additional structures including gate dielectrics, gate electrodes and additional contact, insulating and storage node structures may be formed.
    Type: Application
    Filed: July 28, 2008
    Publication date: November 27, 2008
    Inventors: Suk-Pil Kim, Yoon-Dong Park, Won-Joo Kim, Dong-Gun Park, Eun-Suk Cho, Suk-Kang Sung, Byung-Yong Choi, Tae-Yong Kim, Choong-Ho Lee
  • Publication number: 20080283902
    Abstract: A method of manufacturing a non-volatile memory device includes sequentially depositing a first insulation layer, a charge storage layer, and a second insulation layer on a substrate, forming a first opening through the resultant structure to expose the substrate, forming second and third openings through the second insulation layer to form a second insulation layer pattern, forming a conductive layer on the second insulation layer pattern, forming a photoresist pattern structure on the conductive layer, and forming simultaneously a common source line, at least one ground selection line, at least one string selection line, and a plurality of gate structures on the substrate by etching through the photoresist pattern structure, wherein the common source line and the gate structures are formed simultaneously on a substantially same level and of substantially same components.
    Type: Application
    Filed: May 13, 2008
    Publication date: November 20, 2008
    Inventors: Suk-Kang Sung, Kyu-Charn Park, Choong-Ho Lee
  • Patent number: 7419859
    Abstract: Provided are methods for fabricating semiconductor devices incorporating a fin-FET structure that provides body-bias control, exhibits some characteristic advantages associated with SOI structures, provides increased operating current and/or reduced contact resistance. The methods for fabricating semiconductor devices include forming insulating spacers on the sidewalls of a protruding portion of a first insulation film; forming a second trench by removing exposed regions of the semiconductor substrate using the insulating spacers as an etch mask, and thus forming fins in contact with and supported by the first insulation film. After forming the fins, a third insulation film is formed to fill the second trench and support the fins. A portion of the first insulation film is then removed to open a space between the fins in which additional structures including gate dielectrics, gate electrodes and additional contact, insulating and storage node structures may be formed.
    Type: Grant
    Filed: August 17, 2006
    Date of Patent: September 2, 2008
    Assignee: Samsung Electronics, Co., Ltd.
    Inventors: Suk-Pil Kim, Yoon-Dong Park, Won-Joo Kim, Dong-Gun Park, Eun-Suk Cho, Suk-Kang Sung, Byung-Yong Choi, Tae-Yong Kim, Choong-Ho Lee
  • Publication number: 20080123433
    Abstract: A flash memory device is disclosed. The flash memory device includes a substrate, a memory cell transistor and a selection transistor. The substrate has a first region where the memory cell transistor is to be formed and a second region where the selection transistor is to be formed. The first region has an upper surface located within a first plane and the second region has an upper surface located within a second plane different from the first plane. The memory cell transistors may have a Fin-FET structure. The flash memory device may prevent a disturbance phenomenon in which an electron-hole pair infiltrates the memory cell transistor caused by a high integration degree of the flash memory device.
    Type: Application
    Filed: November 28, 2007
    Publication date: May 29, 2008
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Suk-Kang SUNG, Choong-Ho LEE, Kyu-Charn PARK, Byung-Yong CHOI
  • Publication number: 20070190725
    Abstract: A semiconductor device includes a semiconductor substrate having a first conductivity type and having an upper portion, a pair of bit lines extending in a first direction and doped with an impurity of a second conductivity type opposite to the first conductivity type and spaced from one another in the upper portion of the semiconductor substrate, a first line formed between the pair of bit lines having a plurality of alternating recessed device isolation regions and channel regions, with each of the channel regions contacting each bit line of the at least one pair of bit lines, and word lines formed at right angles to the first lines and covering the channel regions.
    Type: Application
    Filed: April 26, 2007
    Publication date: August 16, 2007
    Inventors: Tae-yong Kim, Choong-ho Lee, Chul Lee, Eun-suk Cho, Suk-kang Sung, Hye-jin Cho
  • Patent number: 7227220
    Abstract: A semiconductor device includes a semiconductor substrate having a first conductivity type and having an upper portion, a pair of bit lines extending in a first direction and doped with an impurity of a second conductivity type opposite to the first conductivity type and spaced from one another in the upper portion of the semiconductor substrate, a first line formed between the pair of bit lines having a plurality of alternating recessed device isolation regions and channel regions, with each of the channel regions contacting each bit line of the at least one pair of bit lines, and word lines formed at right angles to the first lines and covering the channel regions.
    Type: Grant
    Filed: September 30, 2005
    Date of Patent: June 5, 2007
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Tae-yong Kim, Choong-ho Lee, Chul Lee, Eun-suk Cho, Suk-kang Sung, Hye-jin Cho