Patents by Inventor Minh Van Ngo
Minh Van Ngo 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: 11830942Abstract: In an example embodiment, a method comprises: forming first spacers adjacent to a memory cell formed on a substrate, each of the first spacers being formed in direct contact with the substrate, where forming the memory cell includes forming a control gate electrode and a tunnel oxide layer over the substrate and subsequently etching completely at least the control gate electrode and the tunnel oxide layer that are disposed beyond the memory cell; forming an interlayer dielectric layer over the memory cell and the first spacers; forming a contact hole through the interlayer dielectric layer to at least reach the substrate; subsequent to forming the contact hole, forming a second spacer adjacent to one of the first spacers, where a height of the second spacer is greater than a height of the first spacers, the second spacer substantially contacting the substrate and the interlayer dielectric layer; and forming a contact in the contact hole.Type: GrantFiled: March 4, 2021Date of Patent: November 28, 2023Assignee: Infineon Technologies LLCInventors: Angela T. Hui, Wenmei Li, Minh Van Ngo, Amol Ramesh Joshi, Kuo-Tung Chang
-
Publication number: 20220302297Abstract: In an example embodiment, a method comprises: forming first spacers adjacent to a memory cell formed on a substrate, each of the first spacers being formed in direct contact with the substrate, where forming the memory cell includes forming a control gate electrode and a tunnel oxide layer over the substrate and subsequently etching completely at least the control gate electrode and the tunnel oxide layer that are disposed beyond the memory cell; forming an interlayer dielectric layer over the memory cell and the first spacers; forming a contact hole through the interlayer dielectric layer to at least reach the substrate; subsequent to forming the contact hole, forming a second spacer adjacent to one of the first spacers, where a height of the second spacer is greater than a height of the first spacers, the second spacer substantially contacting the substrate and the interlayer dielectric layer; and forming a contact in the contact hole.Type: ApplicationFiled: March 4, 2021Publication date: September 22, 2022Applicant: Cypress Semiconductor CorporationInventors: Angela T. Hui, Wenmei Li, Minh Van Ngo, Amol Ramesh Joshi, Kuo-Tung Chang
-
Patent number: 10944000Abstract: In an example embodiment, a method comprises: forming first spacers adjacent to a memory cell formed on a substrate, each of the first spacers being formed in direct contact with the substrate, where forming the memory cell includes forming a control gate electrode and a tunnel oxide layer over the substrate and subsequently etching completely at least the control gate electrode and the tunnel oxide layer that are disposed beyond the memory cell; forming an interlayer dielectric layer over the memory cell and the first spacers; forming a contact hole through the interlayer dielectric layer to at least reach the substrate; subsequent to forming the contact hole, forming a second spacer adjacent to one of the first spacers, where a height of the second spacer is greater than a height of the first spacers, the second spacer substantially contacting the substrate and the interlayer dielectric layer; and forming a contact in the contact hole.Type: GrantFiled: December 3, 2019Date of Patent: March 9, 2021Assignee: Cypress Semiconductor CorporationInventors: Angela T. Hui, Wenmei Li, Minh Van Ngo, Amol Ramesh Joshi, Kuo-Tung Chang
-
Publication number: 20200212215Abstract: In an example embodiment, a method comprises: forming first spacers adjacent to a memory cell formed on a substrate, each of the first spacers being formed in direct contact with the substrate, where forming the memory cell includes forming a control gate electrode and a tunnel oxide layer over the substrate and subsequently etching completely at least the control gate electrode and the tunnel oxide layer that are disposed beyond the memory cell; forming an interlayer dielectric layer over the memory cell and the first spacers; forming a contact hole through the interlayer dielectric layer to at least reach the substrate; subsequent to forming the contact hole, forming a second spacer adjacent to one of the first spacers, where a height of the second spacer is greater than a height of the first spacers, the second spacer substantially contacting the substrate and the interlayer dielectric layer; and forming a contact in the contact hole.Type: ApplicationFiled: December 3, 2019Publication date: July 2, 2020Applicant: Cypress Semiconductor CorporationInventors: Angela T. Hui, Wenmei Li, Minh Van Ngo, Amol Ramesh Joshi, Kuo-Tung Chang
-
Patent number: 10516044Abstract: A memory device includes a number of memory cells and a dielectric layer formed over the memory cells. The memory device also includes contacts formed in the dielectric layer and spacers formed adjacent the side surfaces of the contacts. The spacers may inhibit leakage currents from the contacts.Type: GrantFiled: October 21, 2013Date of Patent: December 24, 2019Assignee: Cypress Semiconductor CorporationInventors: Angela T. Hui, Wenmei Li, Minh Van Ngo, Amol Ramesh Joshi, Kuo-Tung Chang
-
Patent number: 9425325Abstract: The present claimed subject matter is directed to memory device that includes substrate, a tunneling layer over the substrate, a floating gate over the tunneling layer, a dielectric over the floating gate and including silicon oxynitride, and a control gate over the dielectric.Type: GrantFiled: January 13, 2014Date of Patent: August 23, 2016Assignee: CYPRESS SEMICONDUCTOR CORPORATIONInventors: Minh Q. Tran, Minh-Van Ngo, Alexander H. Nickel, Jeong-Uk Huh
-
Patent number: 9236448Abstract: In the present method of fabricating a semiconductor device, initially, a semiconductor substrate is provided. An oxide layer is provided on and in contact with the substrate, and a polysilicon layer is provided on and in contact with the oxide layer. A layer of photoresist is provided on the polysilicon layer, and the photoresist is patterned to provide a photoresist body, which is used as a mask to etch away polysilicon and oxide, forming a polysilicon element thereunder. The photoresist body is then removed. A nickel layer is provided on the resulting structure, and a reaction step is undertaken to provide that nickel diffuses into the exposed top and side portions of the polysilicon body, forming nickel silicide. After the reaction step, the remaining nickel is removed, and a chemical-mechanical polishing step is undertaken to remove nickel silicide so that a pair of nickel silicide bodies remain, separated by polysilicon.Type: GrantFiled: September 2, 2008Date of Patent: January 12, 2016Assignee: Cypress Semiconductor CorporationInventors: Eunha Kim, Minh-Van Ngo
-
Patent number: 9202758Abstract: A semiconductor component and a method for manufacturing the semiconductor component that are suitable for use with low temperature processing. A semiconductor substrate is provided and an optional layer of silicon nitride is formed on the semiconductor substrate using Atomic Layer Deposition (ALD). A layer of dielectric material is formed on the silicon nitride layer using Sub-Atmospheric Chemical Vapor Deposition (SACVD) at a temperature below about 450° C. When the optional layer of silicon nitride is not present, the SACVD dielectric material is formed on the semiconductor substrate. A contact hole having sidewalls is formed through the SACVD dielectric layer, through the silicon nitride layer, and exposes a portion of the semiconductor substrate. A layer of tungsten nitride is formed on the exposed portion of the semiconductor substrate and along the sidewalls of the contact hole. Tungsten is formed on the layer of tungsten nitride.Type: GrantFiled: April 19, 2005Date of Patent: December 1, 2015Assignees: GLOBALFOUNDRIES Inc., Cypress Semiconductor CorporationInventors: Paul R. Besser, Minh Van Ngo, Connie Pin-Chin Wang, Jinsong Yin, Hieu T. Pham
-
Patent number: 8735960Abstract: An ultraviolet light absorbent silicon oxynitride layer overlies a memory cell including a pair of source/drains, a gate insulator, a floating gate, a dielectric layer, and a control gate. A conductor is disposed through the silicon oxynitride layer for electrical connection to the control gate, and another conductor is disposed through the silicon oxynitride layer for electrical connection to a source/drain.Type: GrantFiled: November 17, 2008Date of Patent: May 27, 2014Assignee: Spansion LLCInventors: Minh Q. Tran, Minh-Van Ngo, Alexander H. Nickel, Sung Jin Kim, Simon Chan, Ning Cheng
-
Publication number: 20140124848Abstract: The present claimed subject matter is directed to memory device that includes substrate, a tunneling layer over the substrate, a floating gate over the tunneling layer, a dielectric over the floating gate and including silicon oxynitride, and a control gate over the dielectric.Type: ApplicationFiled: January 13, 2014Publication date: May 8, 2014Applicant: SPANSION LLCInventors: Minh Q. TRAN, Minh-Van NGO, Alexander H. NICKEL, Jeong-Uk HUH
-
Patent number: 8658496Abstract: A memory device and a method of making the memory device are provided. A first dielectric layer is formed on a substrate, a floating gate is formed on the first dielectric layer, a second dielectric layer is formed on the floating gate, a control gate is formed on the second dielectric layer, and at least one film, including a conformal film, is formed over a surface of the memory device.Type: GrantFiled: September 14, 2012Date of Patent: February 25, 2014Assignees: Advanced Mirco Devices, Inc., Spansion LLCInventors: Hiroyuki Kinoshita, Angela Hui, Hsiao-Han Thio, Kuo-Tung Chang, Minh Van Ngo, Hiroyuki Ogawa
-
Publication number: 20140042514Abstract: A memory device includes a number of memory cells and a dielectric layer formed over the memory cells. The memory device also includes contacts formed in the dielectric layer and spacers formed adjacent the side surfaces of the contacts. The spacers may inhibit leakage currents from the contacts.Type: ApplicationFiled: October 21, 2013Publication date: February 13, 2014Applicants: Spansion LLC, Advanced Micro Devices, Inc.Inventors: Angela T. Hui, Wenmei Li, Minh Van Ngo, Amol Ramesh Joshi, Kuo-Tung Chang
-
Patent number: 8647969Abstract: A method of manufacturing a memory device includes forming a first dielectric layer over a substrate, forming a charge storage element over the first dielectric layer and forming an inter-gate dielectric over the charge storage element. The method also includes depositing a silicon control gate layer over the inter-gate dielectric using a reactant that contains chlorine.Type: GrantFiled: January 31, 2012Date of Patent: February 11, 2014Assignee: Spansion LLCInventors: Rinji Sugino, Yider Wu, Minh Van Ngo, Jeffrey Sinclair Glick, Kuo Tung Chang
-
Patent number: 8633074Abstract: The present memory device includes a substrate, a tunneling layer over the substrate, a floating gate over the tunneling layer, a dielectric over the floating gate and including silicon oxynitride, and a control gate over the dielectric. A method for fabricating such a memory device is also provided, including various approaches for forming the silicon oxynitride.Type: GrantFiled: September 17, 2008Date of Patent: January 21, 2014Assignee: Spansion LLCInventors: Minh Q. Tran, Minh-Van Ngo, Alexander H. Nickel, Jeong-Uk Huh
-
Patent number: 8614475Abstract: A method of manufacturing a non-volatile memory device includes forming a number of memory cells. The method also includes depositing a first dielectric layer over the memory cells, where the first dielectric layer is a conformal layer having a substantially uniform thickness. The method further includes depositing a second dielectric layer over the first dielectric layer. Together, the first and second dielectric layers form an interlayer dielectric without voids.Type: GrantFiled: December 31, 2012Date of Patent: December 24, 2013Assignees: Spansion LLC, Advanced Mirco Devices, Inc.Inventors: Minh Van Ngo, Hirokazu Tokuno, Angela T. Hui, Wenmei Li, Hsiao-Han Thio
-
Patent number: 8564041Abstract: A memory device includes a number of memory cells and a dielectric layer formed over the memory cells. The memory device also includes contacts formed in the dielectric layer and spacers formed adjacent the side surfaces of the contacts. The spacers may inhibit leakage currents from the contacts.Type: GrantFiled: October 20, 2006Date of Patent: October 22, 2013Assignees: Advanced Micro Devices, Inc., Spansion LLCInventors: Angela T. Hui, Wenmei Li, Minh Van Ngo, Amol Ramesh Joshi, Kuo-Tung Chang
-
Patent number: 8415256Abstract: During semiconductor fabrication homogeneous gap-filling is achieved by depositing a thin dielectric layer into the gap, post deposition curing, and then repeating deposition and post deposition curing until gap-filling is completed. Embodiments include depositing a layer of low deposition temperature gap-fill dielectric into a high aspect ratio opening, such as a shallow trench or a gap between closely spaced apart gate electrode structures, as at a thickness of about 10 ? to about 500 ?, curing after deposition, as by UV radiation or by heating at a temperature of about 400° C. to about 1000° C., depositing another layer of low deposition temperature gap-filled dielectric, and curing after deposition. Embodiments include separately depositing and separately curing multiple layers.Type: GrantFiled: December 30, 2010Date of Patent: April 9, 2013Inventors: Alexander Nickel, Lu You, Hirokazu Tokuno, Minh Tran, Minh Van Ngo, Hieu Pham, Erik Wilson, Robert Huertas
-
Publication number: 20130078795Abstract: A memory device and a method of making the memory device are provided. A first dielectric layer is formed on a substrate, a floating gate is formed on the first dielectric layer, a second dielectric layer is formed on the floating gate, a control gate is formed on the second dielectric layer, and at least one film, including a conformal film, is formed over a surface of the memory device.Type: ApplicationFiled: September 14, 2012Publication date: March 28, 2013Applicants: SPANSION LLC, ADVANCED MICRO DEVICES, INC.Inventors: Hiroyuki KINOSHITA, Angela HUI, Hsiao-Han THIO, Kuo-Tung CHANG, Minh VAN NGO, Hiroyuki OGAWA
-
Patent number: 8368219Abstract: A buried local interconnect and method of forming the same counterdopes a region of a doped substrate to form a counterdoped isolation region. A hardmask is formed and patterned on the doped substrate, with a recess being etched through the patterned hardmask into the counterdoped region. Dielectric spacers are formed on the sidewalls of the recess, with a portion of the bottom of the recess being exposed. A metal is then deposited in the recess and reacted to form silicide at the bottom of the recess. The recess is filled with fill material, which is polished. The hardmask is then removed to form a silicide buried local interconnect.Type: GrantFiled: October 26, 2011Date of Patent: February 5, 2013Assignees: Advanced Micro Devices, Inc., Spansion LLCInventors: Arvind Halliyal, Zoran Krivokapic, Matthew S. Buynoski, Nicholas H. Tripsas, Minh Van Ngo, Mark T. Ramsbey, Jeffrey A. Shields, Jusuke Ogura
-
Patent number: 8367493Abstract: A method of manufacturing a non-volatile memory device includes forming a number of memory cells. The method also includes depositing a first dielectric layer over the memory cells, where the first dielectric layer is a conformal layer having a substantially uniform thickness. The method further includes depositing a second dielectric layer over the first dielectric layer. Together, the first and second dielectric layers form an interlayer dielectric without voids.Type: GrantFiled: April 20, 2005Date of Patent: February 5, 2013Assignees: Spansion LLC, Advanced Micro Devices, Inc.Inventors: Minh Van Ngo, Hirokazu Tokuno, Angela T. Hui, Wenmei Li, Hsiao-Han Thio