Patents by Inventor Moon Sig Joo
Moon Sig Joo 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).
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Patent number: 8294200Abstract: A non-volatile memory device includes a substrate, a tunneling layer over the substrate, a charge trapping layer including a nitride layer and a silicon boron nitride layer over the tunneling layer, and a blocking layer over the charge trapping layer, and a control gate electrode arranged on the blocking layer.Type: GrantFiled: April 19, 2011Date of Patent: October 23, 2012Assignee: Hynix Semiconductor Inc.Inventors: Moon Sig Joo, Seung Ho Pyi, Yong Soo Kim
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Patent number: 8105909Abstract: A method of fabricating a non-volatile memory device includes: forming a tunnel insulation layer pattern and a floating gate electrode layer pattern over a semiconductor substrate; forming an isolation trench by etching an exposed portion of the semiconductor substrate so that the isolation trench is aligned with the tunnel insulation layer pattern and the floating gate electrode layer pattern; forming an isolation layer by filling the isolation trench with a filling insulation layer; forming a hafnium-rich hafnium silicon oxide layer over the isolation layer and the floating gate electrode layer pattern; forming a hafnium-rich hafnium silicon oxynitride layer by carrying out a first nitridation on the hafnium-rich hafnium silicon oxide layer; forming a silicon-rich hafnium silicon oxide layer over the hafnium-rich hafnium silicon oxynitride layer; forming a silicon-rich hafnium silicon oxynitride layer by carrying out a second nitridation on the silicon-rich hafnium silicon oxide layer; and forming a controlType: GrantFiled: September 29, 2010Date of Patent: January 31, 2012Assignee: Hynix Semiconductor Inc.Inventors: Moon Sig Joo, Heung Jae Cho, Yong Soo Kim, Won Joon Choi
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Publication number: 20110204430Abstract: A nonvolatile memory device and a method of fabricating the same is provided to prevent charges stored in a charge trap layer from moving to neighboring memory cells. The method of fabricating a nonvolatile memory device, includes forming a first dielectric layer on a semiconductor substrate in which active regions are defined by isolation layers, forming a charge trap layer on the first dielectric layer, removing the first dielectric layer and the charge trap layer over the isolation layers, forming a second dielectric layer on the isolation layers including the charge trap layer, and forming a conductive layer on the second dielectric layer.Type: ApplicationFiled: April 29, 2011Publication date: August 25, 2011Applicant: HYNIX SEMICONDUCTOR INC.Inventors: Se Jun KIM, Eun Seok CHOI, Kyoung Hwan PARK, Hyun Seung YOO, Myung Shik LEE, Young Ok HONG, Jung Ryul AHN, Yong Top KIM, Kyung Pil HWANG, Won Sic WOO, Jae Young PARK, Ki Hong LEE, Ki Seon PARK, Moon Sig JOO
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Publication number: 20110193154Abstract: A non-volatile memory device includes a substrate, a tunneling layer over the substrate, a charge trapping layer including a nitride layer and a silicon boron nitride layer over the tunneling layer, and a blocking layer over the charge trapping layer, and a control gate electrode arranged on the blocking layer.Type: ApplicationFiled: April 19, 2011Publication date: August 11, 2011Applicant: HYNIX SEMICONDUCTOR INC.Inventors: Moon Sig Joo, Seung Ho Pyi, Yong Soo Kim
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Patent number: 7981786Abstract: A method of fabricating a non-volatile memory device having a charge trapping layer includes forming a tunneling layer, a charge trapping layer, a blocking layer and a control gate electrode layer over a substrate, forming a mask layer pattern on the control gate electrode layer, performing an etching process using the mask layer pattern as an etching mask to remove an exposed portion of the control gate electrode layer, wherein the etching process is performed as excessive etching to remove the charge trapping layer by a specified thickness, forming an insulating layer for blocking charges from moving on the control gate electrode layer and the mask layer pattern, performing anisotropic etching on the insulating layer to form an insulating layer pattern on a sidewall of the control gate electrode layer and a partial upper sidewall of the blocking layer, and performing an etching process on the blocking layer exposed by the anisotropic etching, wherein the etching process is performed as excessive etching toType: GrantFiled: December 28, 2007Date of Patent: July 19, 2011Assignee: Hynix Semiconductor Inc.Inventors: Moon Sig Joo, Seung Ho Pyi, Ki Seon Park, Heung Jae Cho, Yong Top Kim
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Patent number: 7955960Abstract: A nonvolatile memory device and a method of fabricating the same is provided to prevent charges stored in a charge trap layer from moving to neighboring memory cells. The method of fabricating a nonvolatile memory device, includes forming a first dielectric layer on a semiconductor substrate in which active regions are defined by isolation layers, forming a charge trap layer on the first dielectric layer, removing the first dielectric layer and the charge trap layer over the isolation layers, forming a second dielectric layer on the isolation layers including the charge trap layer, and forming a conductive layer on the second dielectric layer.Type: GrantFiled: March 21, 2008Date of Patent: June 7, 2011Assignee: Hynix Semiconductor Inc.Inventors: Se Jun Kim, Eun Seok Choi, Kyoung Hwan Park, Hyun Seung Yoo, Myung Shik Lee, Young Ok Hong, Jung Ryul Ahn, Yong Top Kim, Kyung Pil Hwang, Won Sic Woo, Jae Young Park, Ki Hong Lee, Ki Seon Park, Moon Sig Joo
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Patent number: 7948025Abstract: A non-volatile memory device includes a substrate, a tunneling layer over the substrate, a charge trapping layer including a nitride layer and a silicon boron nitride layer over the tunneling layer, and a blocking layer over the charge trapping layer, and a control gate electrode arranged on the blocking layer.Type: GrantFiled: June 29, 2007Date of Patent: May 24, 2011Assignee: Hynix Semiconductor Inc.Inventors: Moon Sig Joo, Seung Ho Pyi, Yong Soo Kim
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Publication number: 20110014759Abstract: A method of fabricating a non-volatile memory device includes: forming a tunnel insulation layer pattern and a floating gate electrode layer pattern over a semiconductor substrate; forming an isolation trench by etching an exposed portion of the semiconductor substrate so that the isolation trench is aligned with the tunnel insulation layer pattern and the floating gate electrode layer pattern; forming an isolation layer by filling the isolation trench with a filling insulation layer; forming a hafnium-rich hafnium silicon oxide layer over the isolation layer and the floating gate electrode layer pattern; forming a hafnium-rich hafnium silicon oxynitride layer by carrying out a first nitridation on the hafnium-rich hafnium silicon oxide layer; forming a silicon-rich hafnium silicon oxide layer over the hafnium-rich hafnium silicon oxynitride layer; forming a silicon-rich hafnium silicon oxynitride layer by carrying out a second nitridation on the silicon-rich hafnium silicon oxide layer; and forming a controlType: ApplicationFiled: September 29, 2010Publication date: January 20, 2011Applicant: HYNIX SEMICONDUCTOR INC.Inventors: Moon Sig Joo, Heung Jae Cho, Yong Soo Kim, Won Joon Choi
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Patent number: 7824992Abstract: A method of fabricating a non-volatile memory device includes: forming a tunnel insulation layer pattern and a floating gate electrode layer pattern over a semiconductor substrate; forming an isolation trench by etching an exposed portion of the semiconductor substrate so that the isolation trench is aligned with the tunnel insulation layer pattern and the floating gate electrode layer pattern; forming an isolation layer by filling the isolation trench with a filling insulation layer; forming a hafnium-rich hafnium silicon oxide layer over the isolation layer and the floating gate electrode layer pattern; forming a hafnium-rich hafnium silicon oxynitride layer by carrying out a first nitridation on the hafnium-rich hafnium silicon oxide layer; forming a silicon-rich hafnium silicon oxide layer over the hafnium-rich hafnium silicon oxynitride layer; forming a silicon-rich hafnium silicon oxynitride layer by carrying out a second nitridation on the silicon-rich hafnium silicon oxide layer; and forming a controlType: GrantFiled: December 30, 2008Date of Patent: November 2, 2010Assignee: Hynix Semiconductor Inc.Inventors: Moon Sig Joo, Heung Jae Cho, Yong Soo Kim, Won Joon Choi
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Patent number: 7736975Abstract: A method for manufacturing a non-volatile memory device having a charge trap layer comprises in one embodiment: forming a first dielectric layer over a semiconductor substrate; forming a second dielectric layer having a higher dielectric constant than that of the first dielectric layer over the first dielectric layer; forming a nitride buffer layer for preventing an interfacial reaction over the second dielectric layer; forming a third dielectric layer by supplying a radical oxidation source onto the nitride buffer layer to oxidize the nitride buffer layer, thereby forming a tunneling layer comprising the first, second, and third dielectric layers; and forming a charge trap layer, a shielding layer, and a control gate electrode layer over the tunneling layer.Type: GrantFiled: December 31, 2008Date of Patent: June 15, 2010Assignee: Hynix Semiconductor Inc.Inventors: Won Joon Choi, Moon Sig Joo, Heung Jae Cho, Yong Soo Kim, Sung Jin Whang
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Publication number: 20090253242Abstract: A method of fabricating a non-volatile memory device includes: forming a tunnel insulation layer pattern and a floating gate electrode layer pattern over a semiconductor substrate; forming an isolation trench by etching an exposed portion of the semiconductor substrate so that the isolation trench is aligned with the tunnel insulation layer pattern and the floating gate electrode layer pattern; forming an isolation layer by filling the isolation trench with a filling insulation layer; forming a hafnium-rich hafnium silicon oxide layer over the isolation layer and the floating gate electrode layer pattern; forming a hafnium-rich hafnium silicon oxynitride layer by carrying out a first nitridation on the hafnium-rich hafnium silicon oxide layer; forming a silicon-rich hafnium silicon oxide layer over the hafnium-rich hafnium silicon oxynitride layer; forming a silicon-rich hafnium silicon oxynitride layer by carrying out a second nitridation on the silicon-rich hafnium silicon oxide layer; and forming a controlType: ApplicationFiled: December 30, 2008Publication date: October 8, 2009Applicant: HYNIX SEMICONDUCTOR INC.Inventors: Moon Sig Joo, Heung Jae Cho, Yong Soo Kim, Won Joon Choi
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Publication number: 20090227116Abstract: A method for manufacturing a non-volatile memory device having a charge trap layer comprises in one embodiment: forming a first dielectric layer over a semiconductor substrate; forming a second dielectric layer having a higher dielectric constant than that of the first dielectric layer over the first dielectric layer; forming a nitride buffer layer for preventing an interfacial reaction over the second dielectric layer; forming a third dielectric layer by supplying a radical oxidation source onto the nitride buffer layer to oxidize the nitride buffer layer, thereby forming a tunneling layer comprising the first, second, and third dielectric layers; and forming a charge trap layer, a shielding layer, and a control gate electrode layer over the tunneling layer.Type: ApplicationFiled: December 31, 2008Publication date: September 10, 2009Applicant: HYNIX SEMICONDUCTOR INC.Inventors: Moon Sig Joo, Heung Jae Cho, Yong Soo Kim, Won Joon Choi, Sung Jin Whang
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Publication number: 20090114977Abstract: Disclosed herein is a nonvolatile memory device having a charge trapping layer and a method of making the same. The nonvolatile memory device includes a substrate, a tunneling layer disposed on the substrate, a charge trapping layer disposed on the tunneling layer, a first blocking layer disposed on the charge trapping layer, a second blocking layer disposed on the first blocking layer, and a control gate electrode disposed on the second blocking layer. A first band gap between the first blocking layer and the charge trapping layer is larger than a second band gap between the second blocking layer and the charge trapping layer.Type: ApplicationFiled: June 26, 2008Publication date: May 7, 2009Applicant: HYNIX SEMICONDUCTOR INC.Inventors: Ki Seon Park, Moon Sig Joo, Yong Top Kim, Jae Young Park, Ki Hong Lee
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Publication number: 20090108334Abstract: A charge trapping device includes a plurality of isolation layers, a plurality of charge trapping layers, a blocking layer, and a control gate electrode. The isolation layers define active regions, and the isolation layers and active regions extend as respective stripes along a first direction on a semiconductor substrate. The charge trapping layers are disposed on the active regions in island forms where the charge trapping layers are separated from each other in the first direction and disposed on the respective active regions between the isolation layers in a second direction perpendicular to the first direction. The blocking layer is disposed on the isolation layers and the charge trapping layers. The control gate electrode is disposed on the charge trapping layer.Type: ApplicationFiled: June 30, 2008Publication date: April 30, 2009Applicant: HYNIX SEMICONDUCTOR INC.Inventors: Moon Sig Joo, Seung Ho Pyi, Ki Seon Park, Yong Top Kim, Jae Young Park, Ki Hong Lee
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Publication number: 20090108332Abstract: Disclosed herein are a non-volatile memory device and a method of manufacturing the same. The non-volatile memory device includes a substrate, a tunneling layer disposed on the substrate, a charge trapping layer disposed on the tunneling layer, a blocking layer disposed on the charge trapping layer, and a control gate electrode disposed on the blocking layer. The blocking layer in contact with the charge trapping layer includes an aluminum nitride layer.Type: ApplicationFiled: June 27, 2008Publication date: April 30, 2009Applicant: Hynix Semiconductor Inc.Inventors: Moon Sig Joo, Ki Seon Park, Yong Top Kim, Jae Young Park, Ki Hong Lee
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Publication number: 20090004802Abstract: A method of fabricating a non-volatile memory device having a charge trapping layer includes forming a tunneling layer, a charge trapping layer, a blocking layer and a control gate electrode layer over a substrate, forming a mask layer pattern on the control gate electrode layer, performing an etching process using the mask layer pattern as an etching mask to remove an exposed portion of the control gate electrode layer, wherein the etching process is performed as excessive etching to remove the charge trapping layer by a specified thickness, forming an insulating layer for blocking charges from moving on the control gate electrode layer and the mask layer pattern, performing anisotropic etching on the insulating layer to form an insulating layer pattern on a sidewall of the control gate electrode layer and a partial upper sidewall of the blocking layer, and performing an etching process on the blocking layer exposed by the anisotropic etching, wherein the etching process is performed as excessive etching toType: ApplicationFiled: December 28, 2007Publication date: January 1, 2009Inventors: Moon Sig Joo, Seung Ho Pyi, Ki Seon Park, Heung Jae Cho, Yong Top Kim
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Publication number: 20080272424Abstract: Disclosed herein is a nonvolatile memory device that includes a substrate, a tunneling layer over the substrate, a charge trapping layer over the tunneling layer, an insulating layer for improving retention characteristics over the charge trapping layer, a blocking layer over the insulating layer, and a control gate electrode over the blocking layer. Also disclosed herein is a method of making the device.Type: ApplicationFiled: November 15, 2007Publication date: November 6, 2008Applicant: HYNIX SEMICONDUCTOR INC.Inventors: Yong Top Kim, Hong Seon Yang, Tae Yoon Kim, Yong Soo Kim, Seung Ryong Lee, Moon Sig Joo
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Publication number: 20080230830Abstract: A nonvolatile memory device and a method of fabricating the same is provided to prevent charges stored in a charge trap layer from moving to neighboring memory cells. The method of fabricating a nonvolatile memory device, includes forming a first dielectric layer on a semiconductor substrate in which active regions are defined by isolation layers, forming a charge trap layer on the first dielectric layer, removing the first dielectric layer and the charge trap layer over the isolation layers, forming a second dielectric layer on the isolation layers including the charge trap layer, and forming a conductive layer on the second dielectric layer.Type: ApplicationFiled: March 21, 2008Publication date: September 25, 2008Applicant: HYNIX SEMICONDUCTOR INC.Inventors: Se Jun KIM, Eun Seok CHOI, Kyoung Hwan PARK, Hyun Seung YOO, Myung Shik LEE, Young Ok HONG, Jung Ryul AHN, Yong Top KIM, Kyung Pil HWANG, Won Sic WOO, Jae Young PARK, Ki Hong LEE, Ki Seon PARK, Moon Sig JOO
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Publication number: 20080157185Abstract: A non-volatile memory device includes a substrate, a tunneling layer over the substrate, a charge trapping layer including a nitride layer and a silicon boron nitride layer over the tunneling layer, and a blocking layer over the charge trapping layer, and a control gate electrode arranged on the blocking layer.Type: ApplicationFiled: June 29, 2007Publication date: July 3, 2008Applicant: Hynix Semiconductor IncInventors: Moon Sig Joo, Seung Ho Pyi, Yong Soo Kim
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Publication number: 20080093661Abstract: A non-volatile memory device comprises a substrate, a tunneling layer over the substrate, a charge trapping layer comprising a stoichiometric silicon nitride layer and a silicon-rich silicon nitride layer over the tunneling layer, a blocking layer over the charge trapping layer, and a control gate electrode over the blocking layer.Type: ApplicationFiled: June 28, 2007Publication date: April 24, 2008Applicant: Hynix Semiconductor Inc.Inventors: Moon Sig Joo, Hong Seon Yang, Jae Chul Om, Seung Ho Pyi, Seung Ryong Lee, Yong Top Kim