Patents by Inventor Kee-Jeung Lee

Kee-Jeung Lee 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: 20230152341
    Abstract: A system for automating the processing of a sample for analysis includes a sample processing unit configured to manufacture a plurality of unit wafers by cutting an analysis target wafer and to manufacture a sample for analysis by applying at least one process to one of the plurality of unit wafers, a sample storage unit including a loading area having a plurality of reception holders, on which a unit wafer and the sample for analysis have been loaded, that are carried in and out, and a sample conveying unit configured to convey the analysis target wafer, the unit wafer, and the sample for analysis respectively between the sample processing unit and the sample storage unit.
    Type: Application
    Filed: November 10, 2022
    Publication date: May 18, 2023
    Inventors: Chan Hyuk RHEE, Jong Hee YOO, Kee Jeung LEE
  • Patent number: 11322501
    Abstract: A method for fabricating a semiconductor device includes: forming a mold stack pattern including a plurality of openings in an upper portion of a substrate and including a mold layer and a supporter layer which are stacked; forming a bottom electrode layer filling the plurality of the openings and covering the supporter layer; forming a filler portion disposed inside the plurality of the openings, a barrier portion extended upwardly from the filler portion, and an electrode cutting portion exposing a surface of the supporter layer by selectively etching the bottom electrode layer; forming a supporter by using the barrier portion as an etch barrier and etching the supporter layer exposed by the electrode cutting portion; selectively removing the barrier portion to form a hybrid pillar-type bottom electrode disposed inside the plurality of the openings; and removing the mold layer.
    Type: Grant
    Filed: July 1, 2020
    Date of Patent: May 3, 2022
    Assignee: SK hynix Inc.
    Inventors: Jeong-Yeop Lee, Dong-Su Park, Jong-Bum Park, Sang-Do Lee, Jae-Min Lee, Kee-Jeung Lee, Jun-Soo Jang
  • Patent number: 11217592
    Abstract: A method for fabricating a semiconductor device includes: forming a mold stack pattern including a plurality of openings in an upper portion of a substrate and including a mold layer and a supporter layer which are stacked; forming a bottom electrode layer filling the plurality of the openings and covering the supporter layer; forming a filler portion disposed inside the plurality of the openings, a barrier portion extended upwardly from the filler portion, and an electrode cutting portion exposing a surface of the supporter layer by selectively etching the bottom electrode layer; forming a supporter by using the barrier portion as an etch barrier and etching the supporter layer exposed by the electrode cutting portion; selectively removing the barrier portion to form a hybrid pillar-type bottom electrode disposed inside the plurality of the openings; and removing the mold layer.
    Type: Grant
    Filed: January 16, 2020
    Date of Patent: January 4, 2022
    Assignee: SK hynix Inc.
    Inventors: Jeong-Yeop Lee, Dong-Su Park, Jong-Bum Park, Sang-Do Lee, Jae-Min Lee, Kee-Jeung Lee, Jun-Soo Jang
  • Publication number: 20200335505
    Abstract: A method for fabricating a semiconductor device includes: forming a mold stack pattern including a plurality of openings in an upper portion of a substrate and including a mold layer and a supporter layer which are stacked; forming a bottom electrode layer filling the plurality of the openings and covering the supporter layer; forming a filler portion disposed inside the plurality of the openings, a barrier portion extended upwardly from the filler portion, and an electrode cutting portion exposing a surface of the supporter layer by selectively etching the bottom electrode layer; forming a supporter by using the barrier portion as an etch barrier and etching the supporter layer exposed by the electrode cutting portion; selectively removing the barrier portion to form a hybrid pillar-type bottom electrode disposed inside the plurality of the openings; and removing the mold layer.
    Type: Application
    Filed: July 1, 2020
    Publication date: October 22, 2020
    Inventors: Jeong-Yeop LEE, Dong-Su PARK, Jong-Bum PARK, Sang-Do LEE, Jae-Min LEE, Kee-Jeung LEE, Jun-Soo JANG
  • Patent number: 10734389
    Abstract: A method for fabricating a semiconductor device includes: forming a mold stack pattern including a plurality of openings in an upper portion of a substrate and including a mold layer and a supporter layer which are stacked; forming a bottom electrode layer filling the plurality of the openings and covering the supporter layer; forming a filler portion disposed inside the plurality of the openings, a barrier portion extended upwardly from the filler portion, and an electrode cutting portion exposing a surface of the supporter layer by selectively etching the bottom electrode layer; forming a supporter by using the barrier portion as an etch barrier and etching the supporter layer exposed by the electrode cutting portion; selectively removing the barrier portion to form a hybrid pillar-type bottom electrode disposed inside the plurality of the openings; and removing the mold layer.
    Type: Grant
    Filed: October 8, 2019
    Date of Patent: August 4, 2020
    Assignee: SK hynix Inc.
    Inventors: Jeong-Yeop Lee, Dong-Su Park, Jong-Bum Park, Sang-Do Lee, Jae-Min Lee, Kee-Jeung Lee, Jun-Soo Jang
  • Publication number: 20200152637
    Abstract: A method for fabricating a semiconductor device includes: forming a mold stack pattern including a plurality of openings in an upper portion of a substrate and including a mold layer and a supporter layer which are stacked; forming a bottom electrode layer filling the plurality of the openings and covering the supporter layer; forming a filler portion disposed inside the plurality of the openings, a barrier portion extended upwardly from the filler portion, and an electrode cutting portion exposing a surface of the supporter layer by selectively etching the bottom electrode layer; forming a supporter by using the barrier portion as an etch barrier and etching the supporter layer exposed by the electrode cutting portion; selectively removing the barrier portion to form a hybrid pillar-type bottom electrode disposed inside the plurality of the openings; and removing the mold layer.
    Type: Application
    Filed: January 16, 2020
    Publication date: May 14, 2020
    Inventors: Jeong-Yeop LEE, Dong-Su PARK, Jong-Bum PARK, Sang-Do LEE, Jae-Min LEE, Kee-Jeung LEE, Jun-Soo JANG
  • Patent number: 10580777
    Abstract: A method for fabricating a semiconductor device includes: forming a mold stack pattern including a plurality of openings in an upper portion of a substrate and including a mold layer and a supporter layer which are stacked; forming a bottom electrode layer filling the plurality of the openings and covering the supporter layer; forming a filler portion disposed inside the plurality of the openings, a barrier portion extended upwardly from the filler portion, and an electrode cutting portion exposing a surface of the supporter layer by selectively etching the bottom electrode layer; forming a supporter by using the barrier portion as an etch barrier and etching the supporter layer exposed by the electrode cutting portion; selectively removing the barrier portion to form a hybrid pillar-type bottom electrode disposed inside the plurality of the openings; and removing the mold layer.
    Type: Grant
    Filed: January 9, 2018
    Date of Patent: March 3, 2020
    Assignee: SK hynix Inc.
    Inventors: Jeong-Yeop Lee, Dong-Su Park, Jong-Bum Park, Sang-Do Lee, Jae-Min Lee, Kee-Jeung Lee, Jun-Soo Jang
  • Publication number: 20200043933
    Abstract: A method for fabricating a semiconductor device includes: forming a mold stack pattern including a plurality of openings in an upper portion of a substrate and including a mold layer and a supporter layer which are stacked; forming a bottom electrode layer filling the plurality of the openings and covering the supporter layer; forming a filler portion disposed inside the plurality of the openings, a barrier portion extended upwardly from the filler portion, and an electrode cutting portion exposing a surface of the supporter layer by selectively etching the bottom electrode layer; forming a supporter by using the barrier portion as an etch barrier and etching the supporter layer exposed by the electrode cutting portion; selectively removing the barrier portion to form a hybrid pillar-type bottom electrode disposed inside the plurality of the openings; and removing the mold layer.
    Type: Application
    Filed: October 8, 2019
    Publication date: February 6, 2020
    Inventors: Jeong-Yeop LEE, Dong-Su PARK, Jong-Bum PARK, Sang-Do LEE, Jae-Min LEE, Kee-Jeung LEE, Jun-Soo JANG
  • Patent number: 10483265
    Abstract: A method for fabricating a semiconductor device includes: forming a mold stack pattern including a plurality of openings in an upper portion of a substrate and including a mold layer and a supporter layer which are stacked; forming a bottom electrode layer filling the plurality of the openings and covering the supporter layer; forming a filler portion disposed inside the plurality of the openings, a barrier portion extended upwardly from the filler portion, and an electrode cutting portion exposing a surface of the supporter layer by selectively etching the bottom electrode layer; forming a supporter by using the barrier portion as an etch barrier and etching the supporter layer exposed by the electrode cutting portion; selectively removing the barrier portion to form a hybrid pillar-type bottom electrode disposed inside the plurality of the openings; and removing the mold layer.
    Type: Grant
    Filed: December 27, 2018
    Date of Patent: November 19, 2019
    Assignee: SK hynix Inc.
    Inventors: Jeong-Yeop Lee, Dong-Su Park, Jong-Bum Park, Sang-Do Lee, Jae-Min Lee, Kee-Jeung Lee, Jun-Soo Jang
  • Publication number: 20190131306
    Abstract: A method for fabricating a semiconductor device includes: forming a mold stack pattern including a plurality of openings in an upper portion of a substrate and including a mold layer and a supporter layer which are stacked; forming a bottom electrode layer filling the plurality of the openings and covering the supporter layer; forming a filler portion disposed inside the plurality of the openings, a barrier portion extended upwardly from the filler portion, and an electrode cutting portion exposing a surface of the supporter layer by selectively etching the bottom electrode layer; forming a supporter by using the barrier portion as an etch barrier and etching the supporter layer exposed by the electrode cutting portion; selectively removing the barrier portion to form a hybrid pillar-type bottom electrode disposed inside the plurality of the openings; and removing the mold layer.
    Type: Application
    Filed: December 27, 2018
    Publication date: May 2, 2019
    Inventors: Jeong-Yeop LEE, Dong-Su PARK, Jong-Bum PARK, Sang-Do LEE, Jae-Min LEE, Kee-Jeung LEE, Jun-Soo JANG
  • Publication number: 20180301457
    Abstract: A method for fabricating a semiconductor device includes: forming a mold stack pattern including a plurality of openings in an upper portion of a substrate and including a mold layer and a supporter layer which are stacked; forming a bottom electrode layer filling the plurality of the openings and covering the supporter layer; forming a filler portion disposed inside the plurality of the openings, a barrier portion extended upwardly from the filler portion, and an electrode cutting portion exposing a surface of the supporter layer by selectively etching the bottom electrode layer; forming a supporter by using the barrier portion as an etch barrier and etching the supporter layer exposed by the electrode cutting portion; selectively removing the barrier portion to form a hybrid pillar-type bottom electrode disposed inside the plurality of the openings; and removing the mold layer.
    Type: Application
    Filed: January 9, 2018
    Publication date: October 18, 2018
    Inventors: Jeong-Yeop LEE, Dong-Su PARK, Jong-Bum PARK, Sang-Do LEE, Jae-Min LEE, Kee-Jeung LEE
  • Publication number: 20170117325
    Abstract: An electronic device according to an implementation of the disclosed technology is an electronic device including a semiconductor memory, wherein the semiconductor memory includes: interlayer insulating layers and conductive first base layer patterns that are alternatively stacked over a substrate; a dielectric second base layer pattern that is in contact with sidewalls of the interlayer insulating layers; first electrodes that are in contact with sidewalls of the first base layer patterns; a second electrode disposed over outer sidewalls of the first electrodes; and a variable resistance layer pattern interposed between the first electrodes and the second electrode. Each of the first electrodes comprises an alloy that includes first and second elements. The first element is included in the first base layer patterns and the second element is included in the second base layer pattern.
    Type: Application
    Filed: April 28, 2016
    Publication date: April 27, 2017
    Inventors: Jong-Gi KIM, Beom-Yong KIM, Kee-Jeung LEE
  • Patent number: 9455401
    Abstract: An electronic device includes a semiconductor memory. The semiconductor memory includes a plurality of first lines extending in a first direction, a plurality of second lines extending in a second direction crossing the first direction, a resistance variable layer interposed between the first lines and the second lines, a tunnel barrier layer interposed between the resistance variable layer and the first lines, and an intermediate electrode layer interposed between the resistance variable layer and the tunnel barrier layer. The tunnel barrier layer and the intermediate electrode layer overlap with at least two neighboring intersection regions of the first lines and the second lines.
    Type: Grant
    Filed: October 27, 2015
    Date of Patent: September 27, 2016
    Assignee: SK HYNIX INC.
    Inventors: Wan-Gee Kim, Kee-Jeung Lee, Hyung-Dong Lee
  • Patent number: 9385311
    Abstract: A semiconductor device includes a first conductive layer, a second conductive layer spaced from the first conductive layer, a variable resistance layer interposed between the first and second conductive layers, and an impurity-doped layer provided over a side surface of the variable resistance layer. The variable resistance layer has a smaller width than the first and the second conductive layers.
    Type: Grant
    Filed: August 3, 2015
    Date of Patent: July 5, 2016
    Assignee: SK HYNIX INC.
    Inventors: Beom-Yong Kim, Kee-Jeung Lee, Wan-Gee Kim, Hyo-June Kim
  • Publication number: 20160049582
    Abstract: An electronic device includes a semiconductor memory. The semiconductor memory includes a plurality of first lines extending in a first direction, a plurality of second lines extending in a second direction crossing the first direction, a resistance variable layer interposed between the first lines and the second lines, a tunnel barrier layer interposed between the resistance variable layer and the first lines, and an intermediate electrode layer interposed between the resistance variable layer and the tunnel barrier layer. The tunnel barrier layer and the intermediate electrode layer overlap with at least two neighboring intersection regions of the first lines and the second lines.
    Type: Application
    Filed: October 27, 2015
    Publication date: February 18, 2016
    Inventors: Wan-Gee KIM, Kee-Jeung LEE, Hyung-Dong LEE
  • Patent number: 9231199
    Abstract: An electronic device includes a switch element. The switch element includes a first electrode including a first metal nitride which is conductive, a second electrode, a switching layer interposed between the first electrode and the second electrode, and a first barrier layer which is interposed between the first electrode and the switching layer and includes a second metal nitride which is insulative, wherein a metal in the first metal nitride is the same as a metal in the second metal nitride, and a metal-to-nitrogen bonding ratio of the first metal nitride is different from a metal-to-nitrogen bonding ratio of the second metal nitride.
    Type: Grant
    Filed: May 8, 2014
    Date of Patent: January 5, 2016
    Assignee: SK HYNIX INC.
    Inventors: Kee-Jeung Lee, Wan-Gee Kim
  • Patent number: 9203019
    Abstract: An electronic device includes a semiconductor memory. The semiconductor memory includes a plurality of first lines extending in a first direction, a plurality of second lines extending in a second direction crossing the first direction, a resistance variable layer interposed between the first lines and the second lines, a tunnel barrier layer interposed between the resistance variable layer and the first lines, and an intermediate electrode layer interposed between the resistance variable layer and the tunnel barrier layer. The tunnel barrier layer and the intermediate electrode layer overlap with at least two neighboring intersection regions of the first lines and the second lines.
    Type: Grant
    Filed: January 29, 2014
    Date of Patent: December 1, 2015
    Assignee: SK HYNIX INC.
    Inventors: Wan-Gee Kim, Kee-Jeung Lee, Hyung-Dong Lee
  • Publication number: 20150340608
    Abstract: A semiconductor device includes a first conductive layer, a second conductive layer spaced from the first conductive layer, a variable resistance layer interposed between the first and second conductive layers, and an impurity-doped layer provided over a side surface of the variable resistance layer. The variable resistance layer has a smaller width than the first and the second conductive layers.
    Type: Application
    Filed: August 3, 2015
    Publication date: November 26, 2015
    Inventors: Beom-Yong KIM, Kee-Jeung LEE, Wan-Gee KIM, Hyo-June KIM
  • Publication number: 20150325789
    Abstract: Disclosed herein are a variable resistance memory device and a method of fabricating the same. The variable resistance memory device may include a first electrode; a second electrode; and a variable resistance layer configured to be interposed between the first electrode and the second electrode, wherein the variable resistance layer includes a Si-added metal oxide.
    Type: Application
    Filed: July 21, 2015
    Publication date: November 12, 2015
    Inventors: Woo-Young PARK, Kwon HONG, Kee-Jeung LEE, Beom-Yong KIM
  • Publication number: 20150263119
    Abstract: A semiconductor device includes a gate stacked structure including a gate dielectric layer over a semiconductor substrate, a metal layer formed over the gate dielectric layer, and a capping layer formed over the metal layer, where the capping layer includes a chemical element with a higher concentration at an interface between the capping layer and the metal layer than another region of the capping layer and the chemical element is operable to control an effective work function (eWF) of the gate stacked structure.
    Type: Application
    Filed: May 26, 2015
    Publication date: September 17, 2015
    Inventors: Woo-Young PARK, Kee-Jeung LEE, Yun-Hyuck JI, Seung-Mi LEE