Patents by Inventor Chien-Teh Kao
Chien-Teh Kao 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: 20150176126Abstract: Provided are gas distribution apparatus with a delivery channel having an inlet end, an outlet end and a plurality of apertures spaced along the length. The inlet end is connectable to an inlet gas source and the outlet end is connectible with a vacuum source. Also provided are gas distribution apparatus with spiral delivery channels, intertwined spiral delivery channels, splitting delivery channels, merging delivery channels and shaped delivery channels in which an inlet end and outlet end are configured for rapid exchange of gas within the delivery channels.Type: ApplicationFiled: December 20, 2013Publication date: June 25, 2015Inventors: Zhenbin Ge, Chien-Teh Kao, Joel M. Huston, Mei Chang
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Publication number: 20150155142Abstract: Methods and apparatus for in-situ cleaning of substrate processing chambers are provided herein. A substrate processing chamber may include a chamber body enclosing an inner volume; a chamber lid removably coupled to the chamber body and including a first flow channel fluidly coupled to the inner volume to selectively open or seal the inner volume to or from a first outlet; a chamber floor including a second flow channel fluidly coupled to the inner volume to selectively open or seal the inner volume to or from a first inlet; and a pump ring disposed in and in fluid communication with the inner volume, the pump ring comprising an upper chamber fluidly coupled to a lower chamber, and a second outlet fluidly coupled to the lower chamber to selectively open or seal the inner volume to or from the second outlet.Type: ApplicationFiled: December 2, 2014Publication date: June 4, 2015Inventors: JOEL M. HUSTON, NICHOLAS R. DENNY, CHIEN-TEH KAO
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Patent number: 9004006Abstract: An apparatus and a method for depositing materials, and more particularly a vapor deposition chamber configured to deposit a material during a plasma-enhanced process are provided. In one embodiment a chamber comprises a chamber body defining a process volume, a substrate support disposed in the process volume and configured to support one or more substrates, a process lid assembly disposed over the substrate support, wherein the process lid assembly has a plasma cavity configured to generate a plasma and provide one or more radical species to the process volume, a RF (radio frequency) power source coupled to the gas distribution assembly, a plasma forming gas source coupled with the process lid assembly, and a reactant gas source coupled with the process lid assembly.Type: GrantFiled: April 27, 2011Date of Patent: April 14, 2015Assignee: Applied Materials, Inc.Inventors: Chien-Teh Kao, Hyman W. H. Lam, Mei Chang, David T. Or, Nicholas R. Denny, Xiaoxiong Yuan
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Patent number: 8846163Abstract: A method for removing native oxides from a substrate surface is provided. In one embodiment, the method comprises positioning a substrate having an oxide layer into a processing chamber, exposing the substrate to a gas mixture while forming a volatile film on the substrate and maintaining the substrate at a temperature below 65° C., heating the substrate to a temperature of at least about 75° C. to sublimate the volatile film and remove the oxide layer, and depositing a first layer on the substrate after heating the substrate.Type: GrantFiled: June 5, 2012Date of Patent: September 30, 2014Assignee: Applied Materials, Inc.Inventors: Chien-Teh Kao, Jing-Pei (Connie) Chou, Chiukin (Steven) Lai, Sal Umotoy, Joel M. Huston, Son Trinh, Mei Chang, Xiaoxiong (John) Yuan, Yu Chang, Xinliang Lu, Wei W. Wang, See-Eng Phan
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Publication number: 20140252015Abstract: Lid assemblies for processing chamber and processing chambers including the lid assemblies are described. The lid assemblies include a high temperature lid module and a housing. The high temperature lid module being positioned adjacent a process liner of a processing chamber. The flexible housing positioned around the high temperature lid module and joined to the high temperature lid module with an elastomeric ring.Type: ApplicationFiled: March 11, 2014Publication date: September 11, 2014Inventors: Ilker Durukan, Joel M. Huston, Dien-Yeh Wu, Chien-Teh Kao, Mei Chang
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Publication number: 20140174362Abstract: Provided are apparatus and methods for depositing materials by vapor deposition and plasma enhanced vapor deposition techniques, and more particularly a gas distribution assembly and vapor deposition chamber to deposit a material. The gas distribution assembly comprises a plurality of sections with each section containing a flow channel with passages extending from the flow channel to the processing region of a processing chamber.Type: ApplicationFiled: December 19, 2013Publication date: June 26, 2014Inventors: Chien-Teh Kao, Mei Chang, Hyman Lam, Joel M. Huston, Xiaoxiong Yuan, Olkan Cuvalci
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Publication number: 20140165911Abstract: Embodiments of apparatus for providing plasma to a process chamber are provided. In some embodiments, an apparatus may include a first ground plate; an electrode disposed beneath and spaced apart from the first ground plate by a first electrical insulator to define a first gap between the first ground plate and the electrode; a second ground plate disposed beneath and spaced apart from the electrode by a second electrical insulator to define a second gap between the electrode and the second ground plate; a gas inlet to provide a process gas to the first gap; a plurality of through holes disposed through the electrode coupling the first gap to the second gap; and a plurality of first gas outlet holes disposed through the second ground plate to fluidly couple the second gap to an area beneath the second plate.Type: ApplicationFiled: December 14, 2012Publication date: June 19, 2014Applicant: APPLIED MATERIALS, INC.Inventors: CHIEN-TEH KAO, HYMAN W.H. LAM, NICHOLAS R. DENNY, DAVID T. OR, MEI CHANG, MURALI K. NARASIMHAN
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Publication number: 20140165912Abstract: Apparatus for providing plasma to a process chamber may include an electrode; a first ground plate disposed beneath the electrode defining a cavity therebetween; an insulator disposed between the electrode and first ground plate to prevent direct contact therebetween; a second ground plate disposed beneath the first ground plate defining a first channel; a plurality of first through holes through the first ground plate to fluidly couple the channel and cavity; a first gas inlet coupled to the first channel; a third ground plate disposed beneath the second ground plate defining a second channel; a plurality of conduits through the ground plates to fluidly couple the cavity to an area beneath the third ground plate; a plurality of gas outlet holes through the third ground plate to fluidly couple the second channel to the area beneath the third ground plate; and a second gas inlet coupled to the second channel.Type: ApplicationFiled: December 14, 2012Publication date: June 19, 2014Applicant: APPLIED MATERIALS, INC.Inventors: CHIEN-TEH KAO, HYMAN W. H. LAM
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Publication number: 20140137961Abstract: In some embodiments, a modular chemical delivery system may include a plurality of gas delivery units directly and removably coupled to each other, wherein each gas delivery unit includes a body with a first volume, a plurality of gas sticks disposed in the first volume, wherein each of the plurality of gas sticks is configured to be coupled to at least one gas supply through one or more inlets in the body, a plurality of valves disposed in the first volume, each valve respectively disposed in line with a corresponding one of the at least one gas supply, at least one outlet conduit to deliver at least one process gas to one or more gas delivery zones in a process chamber, and an electrical controller disposed in the first volume and configured to control the plurality of gas sticks and the plurality of valves.Type: ApplicationFiled: October 21, 2013Publication date: May 22, 2014Applicant: APPLIED MATERIALS, INC.Inventors: CHIEN-TEH KAO, MEI CHANG, HYMAN W. H. LAM, YU CHANG, JOEL M. HUSTON, OLKAN CUVALCI
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Publication number: 20140076234Abstract: A multi-chamber processing system includes a transfer chamber, a first processing chamber outfitted to perform CVD, a second processing chamber, and a robot positioned to transfer substrates between the transfer chamber, the first processing chamber, and the second processing chamber. The second processing chamber may include one or a combination of a first electrode and a second electrode comprising a plasma cavity formed therein.Type: ApplicationFiled: October 18, 2013Publication date: March 20, 2014Applicant: APPLIED MATERIALS, INC.Inventors: Chien-Teh KAO, Jing-Pei Connie CHOU, Chiukin (Steven) LAI, Salvador P. UMOTOY, Joel M. HUSTON, Son TRINH, Mei CHANG, Xiaoxiong YUAN, Yu CHANG, Xinliang LU, Wei W. WANG, See-Eng PHAN
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Publication number: 20130098477Abstract: Provided are gas distribution apparatus with a delivery channel having an inlet end, an outlet end and a plurality of apertures spaced along the length. The inlet end is connectable to an inlet gas source and the outlet end is connectible with a vacuum source. Also provided are gas distribution apparatus with spiral delivery channels, intertwined spiral delivery channels, splitting delivery channels, merging delivery channels and shaped delivery channels in which an inlet end and outlet end are configured for rapid exchange of gas within the delivery channels.Type: ApplicationFiled: October 17, 2012Publication date: April 25, 2013Inventors: Joseph Yudovsky, Mei Chang, Faruk Gungor, Paul F. Ma, David Chu, Chien-Teh Kao, Hyman Lam, Dien-Yeh Wu
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Patent number: 8318605Abstract: Formation of BPSG surface defects upon exposure to atmosphere is prevented by a plasma treatment method for converting boron and/or phosphorus materials separated from silicon near the surface of the doped glass layer to gas phase compounds. The treatment plasma is generated from a treatment process gas containing one of (a) a fluorine compound or (b) a hydrogen compound.Type: GrantFiled: July 15, 2008Date of Patent: November 27, 2012Assignee: Applied Materials, Inc.Inventors: Chien-Teh Kao, Haichun Yang, Xinliang Lu, Mei Chang
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Publication number: 20120267346Abstract: A method and apparatus for removing native oxides from a substrate surface is provided. In one aspect, the apparatus comprises a support assembly. In one embodiment, the support assembly includes a shaft coupled to a disk-shaped body. The disk-shaped body includes an upper surface, a lower surface and a cylindrical outer surface. A flange extends radially outward from the cylindrical outer surface. A fluid channel is formed in the disk-shaped body and is coupled to the heat transfer fluid conduit of the shaft. A plurality of grooves formed in the upper surface are coupled by a hole to the vacuum conduit of the shaft. A gas conduit formed through the disk-shaped body couples the gas conduit of the shaft to the cylindrical outer surface of the disk-shaped body.Type: ApplicationFiled: April 26, 2012Publication date: October 25, 2012Inventors: Chien-Teh Kao, Joel M. Huston, Mei Chang, Xiaoxiong (John) Yuan
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Publication number: 20120244704Abstract: A method for removing native oxides from a substrate surface is provided. In one embodiment, the method comprises positioning a substrate having an oxide layer into a processing chamber, exposing the substrate to a gas mixture while forming a volatile film on the substrate and maintaining the substrate at a temperature below 65° C., heating the substrate to a temperature of at least about 75° C. to sublimate the volatile film and remove the oxide layer, and depositing a first layer on the substrate after heating the substrate.Type: ApplicationFiled: June 5, 2012Publication date: September 27, 2012Inventors: Chien-Teh KAO, Jing-Pei(Connie) CHOU, Chiukin(Steven) LAI, Sal UMOTOY, Joel M. HUSTON, Son TRINH, Mei CHANG, Xiaoxiong (John) YUAN, Yu CHANG, Xinliang LU, Wei W. WANG, See-Eng PHAN
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Patent number: 8268684Abstract: Embodiments of the present invention generally relates to an apparatus and a method for processing semiconductor substrates. Particularly, embodiments of the present invention relates to methods and apparatus for profile modification prior to filling a structure, such as a trench or a via. One embodiment of the present invention comprises forming a sacrifice layer to pinch off a top opening of a structure by exposing the structure to an etchant. In one embodiment, the etchant is configured to remove the first material by reacting with the first material and generating a by-product, which forms the sacrifice layer.Type: GrantFiled: August 8, 2011Date of Patent: September 18, 2012Assignee: Applied Materials, Inc.Inventors: Mei Chang, Chien-Teh Kao, Xinliang Lu, Zhenbin Ge
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Patent number: 8252696Abstract: Methods for etching dielectric layers comprising silicon and nitrogen are provided herein. In some embodiments, such methods may include providing a substrate having a dielectric layer comprising silicon and nitrogen disposed thereon, forming reactive species from a process gas comprising hydrogen (H2) and nitrogen trifluoride (NF3) using a remote plasma; and etching the dielectric layer using the reactive species. In some embodiments, an oxide layer is disposed adjacent to the dielectric layer. In some embodiments, the flow rate ratio of the process gas can be adjusted such that an etch selectivity of the dielectric layer to at least one of the oxide layer or the substrate is between about 0.8 to about 4.Type: GrantFiled: October 7, 2008Date of Patent: August 28, 2012Assignee: Applied Materials, Inc.Inventors: Xinliang Lu, Haichun Yang, Zhenbin Ge, Nan Lu, David T. Or, Chien-Teh Kao, Mei Chang
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Publication number: 20110294258Abstract: Embodiments of the present invention generally relates to an apparatus and a method for processing semiconductor substrates. Particularly, embodiments of the present invention relates to methods and apparatus for profile modification prior to filling a structure, such as a trench or a via. One embodiment of the present invention comprises forming a sacrifice layer to pinch off a top opening of a structure by exposing the structure to an etchant. In one embodiment, the etchant is configured to remove the first material by reacting with the first material and generating a by-product, which forms the sacrifice layer.Type: ApplicationFiled: August 8, 2011Publication date: December 1, 2011Applicant: APPLIED MATERIALS, INC.Inventors: MEI CHANG, Chien-Teh Kao, Xinliang Lu, Zhenbin Ge
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Publication number: 20110265721Abstract: An apparatus and a method for depositing materials, and more particularly a vapor deposition chamber configured to deposit a material during a plasma-enhanced process are provided. In one embodiment a chamber comprises a chamber body defining a process volume, a substrate support disposed in the process volume and configured to support one or more substrates, a process lid assembly disposed over the substrate support, wherein the process lid assembly has a plasma cavity configured to generate a plasma and provide one or more radical species to the process volume, a RF (radio frequency) power source coupled to the gas distribution assembly, a plasma forming gas source coupled with the process lid assembly, and a reactant gas source coupled with the process lid assembly.Type: ApplicationFiled: April 27, 2011Publication date: November 3, 2011Applicant: APPLIED MATERIALS, INC.Inventors: Chien-Teh Kao, Hyman W.H. Lam, Mei Chang, David T. Or, Nicholas R. Denny, Xiaoxiong Yuan
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Patent number: 8043933Abstract: Embodiments of the present invention generally relates to an apparatus and a method for processing semiconductor substrates. Particularly, embodiments of the present invention relates to apparatus and methods for forming shallow trench isolations having recesses with rounded bottoms. One embodiment of the present invention comprises forming a recess in a filled trench structure by removing a portion of a material from the filled trench structure and rounding bottom corners of the recess. Rounding bottom corners is performed by depositing a conformal layer of the same material filled in the trench structure over the substrate and removing the conformal layer of the material from sidewalls of the recess.Type: GrantFiled: November 18, 2009Date of Patent: October 25, 2011Assignee: Applied Materials, Inc.Inventors: Chien-Teh Kao, Xinliang Lu, Zhenbin Ge, Mei Chang, Hoiman Raymond Hung, Nitin Ingle
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Publication number: 20110223755Abstract: A method for removing native oxides from a substrate surface is provided. In one embodiment, the method comprises positioning a substrate having an oxide layer into a processing chamber, generating a plasma of a reactive species from a gas mixture within the processing chamber, exposing the substrate to the reactive species while forming a volatile film on the substrate and maintaining the substrate at a temperature below 65° C., heating the substrate to a temperature of at least about 75° C. to vaporize the volatile film and remove the oxide layer, and depositing a first layer on the substrate after heating the substrate.Type: ApplicationFiled: May 20, 2011Publication date: September 15, 2011Inventors: CHIEN-TEH KAO, Jing-Pei(Connie) Chou, Chiukin(Steven) Lai, Sal Umotoy, Joel M. Huston, Son Trinh, Mei Chang, Xiaoxiong (John) Yuan, Yu Chang, Xinliang Lu, Wei W. Wang, See-Eng Phan