Patents by Inventor Anthony Dip
Anthony Dip 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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Publication number: 20090324826Abstract: A disclosed film deposition apparatus includes a turntable having in one surface a substrate receiving portion along a turntable rotation direction; a first reaction gas supplying portion for supplying a first reaction gas; a second reaction gas supplying portion for supplying a second reaction gas; a separation area between a first process area where the first reaction gas is supplied and a second process area where the second reaction gas is supplied, the separation area including a separation gas supplying portion for supplying a first separation gas in the separation area, and a ceiling surface opposing the one surface to produce a thin space; a center area having an ejection hole for ejecting a second separation gas along the one surface; and an evacuation opening for evacuating the chamber.Type: ApplicationFiled: June 27, 2008Publication date: December 31, 2009Inventors: Hitoshi Kato, Manabu Honma, Anthony Dip
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Patent number: 7635655Abstract: A method for performing an oxidation process on a plurality of substrates in a batch processing system. According to one embodiment, the method includes selecting a N2O-based oxidation process for the substrates including a first process gas containing N2O that thermally decomposes in a process chamber of the batch processing system to N2, O2, and NO byproducts, and generating a replacement NO-based oxidation process for the substrates including a second process gas containing N2, O2, and NO with molar concentrations that mimic that of the N2, O2, and NO byproducts in the N2O-based oxidation process. According to another embodiment of the invention, the NO-based oxidation process contains NO, O2, and an inert gas.Type: GrantFiled: March 30, 2006Date of Patent: December 22, 2009Assignee: Tokyo Electron LimitedInventor: Anthony Dip
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Patent number: 7632354Abstract: A thermal processing system with improved gas flow and method for injecting a process gas into a thermal processing system. The thermal processing system has an injection section with injection outlets that inject process gas into a processing space and a delivery section that delivers process gas to the injection section. The delivery section may be coupled with the injection section at an inlet disposed between opposite ends of the injection section. A fluid lumen of the injection section may have a larger cross-sectional area than a fluid lumen of the delivery section. The thermal processing system may include an inner tube, which surrounds the processing space, having a slit through which the processing space communicates with an annular pumping space defined between the inner tube and an outer tube of the thermal processing system.Type: GrantFiled: August 8, 2006Date of Patent: December 15, 2009Assignee: Tokyo Electron LimitedInventors: Anthony Dip, Shinji Asari, Meenakshisundaram Gandhi
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Patent number: 7604841Abstract: A method for extending time between chamber cleaning processes in a process chamber of a processing system. A particle-reducing film is formed on a chamber component in the process chamber to reduce particle formation in the process chamber during substrate processing, at least one substrate is introduced into the process chamber, a manufacturing process is performed in the process chamber, and the at least one substrate is removed from the process chamber. The particle-reducing film may be deposited on a clean chamber component or on a material deposit formed on a chamber component. Alternatively, the particle-reducing film may be formed by chemically modifying at least a portion of a material deposit on a chamber component. The particle-reducing film may be formed after each manufacturing process or at selected intervals after multiple manufacturing processes.Type: GrantFiled: March 31, 2004Date of Patent: October 20, 2009Assignee: Tokyo Electron LimitedInventors: Raymond Joe, John Gumpher, Anthony Dip
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Publication number: 20090246971Abstract: An in-situ hybrid film deposition method for forming a high-k dielectric film on a plurality of substrates in a batch processing system. The method includes loading the plurality of substrates into a process chamber of the batch processing system, depositing by atomic layer deposition (ALD) a first portion of a high-k dielectric film on the plurality of substrates, after depositing the first portion, and without removing the plurality of substrates from the process chamber, depositing by chemical vapor deposition (CVD) a second portion of the high-k dielectric film on the first portion, and removing the plurality of substrates from the process chamber. The method can further include alternatingly repeating the deposition of the first and second portions until the high-k dielectric film has a desired thickness. The method can still further include pre-treating the substrates and post-treating the high-k dielectric film in-situ prior to the removing.Type: ApplicationFiled: March 28, 2008Publication date: October 1, 2009Applicant: TOKYO ELECTRON LIMITEDInventors: Kimberly G. Reid, Anthony Dip
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Patent number: 7534731Abstract: A method for growing an oxynitride film on a substrate includes positioning the substrate in a process chamber, heating the process chamber, flowing a wet process gas comprising water vapor and a nitriding gas comprising nitric oxide into the process chamber. The wet process gas and the nitriding gas form a processing ambient that reacts with the substrate such that an oxynitride film grows on the substrate. In yet another embodiment, the method further comprises flowing a diluting gas into the process chamber while flowing the wet process gas to control a growth rate of the oxynitride film. In another embodiment, the method further comprises annealing the substrate and the oxynitride film in an annealing gas. According to embodiments of the method where the substrate is silicon, a silicon oxynitride film forms that exhibits a nitrogen peak concentration of at least approximately 6 atomic % and an interface state density of less than approximately 1.5 ×10 12 per cc.Type: GrantFiled: March 30, 2007Date of Patent: May 19, 2009Assignee: Tokyo Electron LimitedInventors: Kimberly G. Reid, Anthony Dip
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Patent number: 7524769Abstract: A method and system for processing a substrate includes providing the substrate in a process chamber, where the substrate contains an oxide layer formed thereon, exciting a hydrogen-containing gas in a remote plasma source coupled to the process chamber, and exposing the substrate to a flow of the excited hydrogen-containing gas at a first substrate temperature lower than about 900° C. to remove the oxide layer from the substrate. The substrate is then maintained at a second temperature different than the first substrate temperature, and a silicon-containing film is formed on the substrate at the second substrate temperature.Type: GrantFiled: March 31, 2005Date of Patent: April 28, 2009Assignee: Tokyo Electron LimitedInventors: Anthony Dip, Allen John Leith, Seungho Oh
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Publication number: 20090088000Abstract: A method for growing an oxynitride film on a substrate includes positioning the substrate in a process chamber, heating the process chamber, flowing a first wet process gas comprising water vapor into the process chamber, and reacting the substrate with the first wet process gas to grow an oxide film on the substrate. The method further includes flowing a second wet process gas comprising water vapor and a nitriding gas comprising nitric oxide into the process chamber, and reacting the oxide film and the substrate with the second wet process gas to grow an oxynitride film. In another embodiment, the method further comprises annealing the substrate containing the oxynitride film in an annealing gas. According to one embodiment of the method where the substrate is silicon, a silicon oxynitride film can be formed that exhibits a nitrogen peak concentration of approximately 3 atomic % or greater.Type: ApplicationFiled: September 30, 2007Publication date: April 2, 2009Applicant: TOKYO ELECTRON LIMITEDInventors: Kimberly G. Reid, Anthony Dip
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Patent number: 7501349Abstract: A method is provided for oxide removal from a substrate. The method includes providing the substrate in a process chamber where the substrate has an oxide layer formed thereon, and performing a sequential oxide removal process. The sequential oxide removal process includes exposing the substrate at a first substrate temperature to a flow of a first etching gas containing F2 to partially remove the oxide layer from the substrate, raising the temperature of the substrate from the first substrate temperature to a second substrate temperature, and exposing the substrate at the second temperature to a flow of a second etching gas containing H2 to further remove the oxide layer from the substrate. In one embodiment, a film may be formed on the substrate following the sequential oxide removal process.Type: GrantFiled: March 31, 2006Date of Patent: March 10, 2009Assignee: Tokyo Electron LimitedInventors: Anthony Dip, Allen John Leith, Seungho Oh
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Publication number: 20090035463Abstract: Thermal processing system and method for forming an oxide layer on substrates. The thermal processing system has a gas injector with first and second fluid lumens confining first and second process gases, such an molecular hydrogen and molecular oxygen, from each other and another fluid lumen that receives the process gases from the first and second fluid lumens. The first and second process gases combine and react in this fluid lumen to form a reaction product. The reaction product is injected from this fluid lumen into a process chamber of the thermal processing system, where substrates are exposed to the reaction product resulting in formation of an oxide layer.Type: ApplicationFiled: August 3, 2007Publication date: February 5, 2009Applicant: TOKYO ELECTRON LIMITEDInventor: Anthony Dip
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Patent number: 7468311Abstract: A method is provided for depositing a silicon-containing film on a substrate by a low pressure deposition process in a processing system. A silicon-containing film can be formed on a substrate by providing a substrate in a process chamber of a processing system, heating the substrate, and exposing a hexachlorodisilane (HCD) process gas to the substrate. The method can selectively deposit an epitaxial silicon-containing film on a silicon surface of a substrate or, alternately, non-selectively deposit a silicon-containing film on a substrate. A processing tool containing a processing system for forming a silicon-containing film on s substrate using a HCD process gas is provided.Type: GrantFiled: September 30, 2003Date of Patent: December 23, 2008Assignee: Tokyo Electron LimitedInventors: Anthony Dip, Seungho Oh, Allen John Leith
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Publication number: 20080242109Abstract: A method for growing an oxynitride film on a substrate includes positioning the substrate in a process chamber, heating the process chamber, flowing a wet process gas comprising water vapor and a nitriding gas comprising nitric oxide into the process chamber. The wet process gas and the nitriding gas form a processing ambient that reacts with the substrate such that an oxynitride film grows on the substrate. In yet another embodiment, the method further comprises flowing a diluting gas into the process chamber while flowing the wet process gas to control a growth rate of the oxynitride film. In another embodiment, the method further comprises annealing the substrate and the oxynitride film in an annealing gas. According to embodiments of the method where the substrate is silicon, a silicon oxynitride film forms that exhibits a nitrogen peak concentration of at least approximately 6 atomic % and an interface state density of less than approximately 1.5×1012 per cc.Type: ApplicationFiled: March 30, 2007Publication date: October 2, 2008Applicant: TOKYO ELECTRON LIMITEDInventors: Kimberly G. Reid, Anthony Dip
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Publication number: 20080193643Abstract: Systems and methods for depositing thin films using Atomic Layer Deposition (ALD). The deposition system includes a process chamber with a peripheral sidewall, partitions that divide a processing space inside the process chamber into at least first and second compartments, and a platter that supports substrates within the processing space. The platter rotates the substrates relative to the stationary peripheral sidewall and compartments. The first compartment receives a process material used to deposit a layer on each of the substrates. An injector, which injects the process material, communicates with the first compartment through the peripheral sidewall.Type: ApplicationFiled: February 12, 2007Publication date: August 14, 2008Applicant: TOKYO ELECTRON LIMITEDInventor: Anthony Dip
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Patent number: 7405140Abstract: A method for selectively forming an epitaxial Si containing film on a semiconductor structure at low temperature. The method includes providing the structure in a process chamber, the structure containing a Si substrate having an epitaxial Si surface area and a patterned film area thereon. A Si film is non-selectively deposited onto the structure, the Si film comprising an epitaxial Si film deposited onto the epitaxial Si surface and a non-epitaxial Si film deposited onto an exposed surface of the patterned film. The non-epitaxial Si film is selectively dry etched away to form a patterned epitaxial Si film. The Si film may be a SiGe film.Type: GrantFiled: August 18, 2005Date of Patent: July 29, 2008Assignee: Tokyo Electron LimitedInventors: Anthony Dip, Allen John Leith, Seungho Oh
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Publication number: 20080169534Abstract: A method is provided for reduced defect such as void free or reduced void Si or SiGe deposition in a micro-feature on a patterned substrate. The micro-feature includes a sidewall and the patterned substrate contains an isolation layer on the field area and on the sidewall and bottom of the micro-feature. The method includes forming a Si or SiGe seed layer at the bottom of the micro-feature, and at least partially filling the micro-feature from the bottom up by selectively growing Si or SiGe onto the Si or SiGe seed layer. According to one embodiment, the Si or SiGe seed layer is formed by depositing a conformal Si or SiGe layer onto the patterned substrate, removing the Si or SiGe layer from the field area, heat treating the Si or SiGe layer in the presence of H2 gas to transfer at least a portion of the Si or SiGe layer from the sidewall to the bottom of the micro-feature, and etching Si or SiGe residue from the field area and the sidewall.Type: ApplicationFiled: January 11, 2007Publication date: July 17, 2008Applicant: TOKYO ELECTRON LIMITEDInventors: Anthony Dip, John Gumpher, Allen John Leith, Seungho Oh
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Patent number: 7358194Abstract: A method is provided for forming a Si film in sequential deposition process. The method includes providing a substrate in a process chamber, forming a chlorinated Si film by exposing the substrate to a chlorinated silane gas, and dry etching the chlorinated Si film to reduce the chlorine content of the Si film. The Si film may be deposited selectively or non-selectively on the substrate and the deposition may be self-limiting or non-self-limiting. Other embodiments provide a method for forming SiGe films in a sequential deposition process.Type: GrantFiled: August 18, 2005Date of Patent: April 15, 2008Assignee: Tokyo Electron LimitedInventors: Anthony Dip, Allen John Leith, Seungho Oh
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Publication number: 20080035055Abstract: A thermal processing system with improved gas flow and method for injecting a process gas into a thermal processing system. The thermal processing system has an injection section with injection outlets that inject process gas into a processing space and a delivery section that delivers process gas to the injection section. The delivery section may be coupled with the injection section at an inlet disposed between opposite ends of the injection section. A fluid lumen of the injection section may have a larger cross-sectional area than a fluid lumen of the delivery section. The thermal processing system may include an inner tube, which surrounds the processing space, having a slit through which the processing space communicates with an annular pumping space defined between the inner tube and an outer tube of the thermal processing system.Type: ApplicationFiled: August 8, 2006Publication date: February 14, 2008Applicant: TOKYO ELECTRON LIMITEDInventors: Anthony Dip, Shinji Asari, Meenakshisundaram Gandhi
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Publication number: 20070259534Abstract: A method is provided for in-situ formation of a thin oxidized AlN film on a substrate. The method includes providing the substrate in a process chamber, depositing an AlN film on the substrate, and post-treating the AlN film with exposure to a nitrogen and oxygen-containing gas. The post-treating increases the dielectric constant of the AlN film with substantially no increase in the AlN film thickness. The method can also include pre-treating the substrate prior to AlN deposition, post-annealing the AlN film before or after the post-treatment, or both.Type: ApplicationFiled: May 7, 2007Publication date: November 8, 2007Applicant: TOKYO ELECTRON LIMITEDInventors: Kimberly G. Reid, Anthony Dip
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Publication number: 20070238302Abstract: A method is provided for oxide removal from a substrate. The method includes providing the substrate in a process chamber where the substrate has an oxide layer formed thereon, and performing a sequential oxide removal process. The sequential oxide removal process includes exposing the substrate at a first substrate temperature to a flow of a first etching gas containing F2 to partially remove the oxide layer from the substrate, raising the temperature of the substrate from the first substrate temperature to a second substrate temperature, and exposing the substrate at the second temperature to a flow of a second etching gas containing H2 to further remove the oxide layer from the substrate. In one embodiment, a film may be formed on the substrate following the sequential oxide removal process.Type: ApplicationFiled: March 31, 2006Publication date: October 11, 2007Applicant: TOKYO ELECTRON LIMITEDInventors: Anthony Dip, Allen Leith, Seungho Oh
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Publication number: 20070238313Abstract: A method for performing an oxidation process on a plurality of substrates in a batch processing system. According to one embodiment, the method includes selecting a N2O-based oxidation process for the substrates including a first process gas containing N2O that thermally decomposes in a process chamber of the batch processing system to N2, O2, and NO byproducts, and generating a replacement NO-based oxidation process for the substrates including a second process gas containing N2, O2, and NO with molar concentrations that mimic that of the N2, O2, and NO byproducts in the N2O-based oxidation process. According to another embodiment of the invention, the NO-based oxidation process contains NO, O2, and an inert gas.Type: ApplicationFiled: March 30, 2006Publication date: October 11, 2007Applicant: Tokyo Electron LimitedInventor: Anthony Dip