Patents by Inventor Suryanarayanan Iyer

Suryanarayanan Iyer 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: 20240095663
    Abstract: A system, method, and computer-readable medium for performing an information technology (IT) ecosystem management and monitoring operation. The IT ecosystem management and monitoring operation includes: providing a sustainability application to an information handling system, the information handling system being located within an IT ecosystem; obtaining sustainability information regarding the information handling system via the sustainability application; providing an IT ecosystem monitoring and management console, the IT ecosystem monitoring and management console comprising an IT ecosystem sustainability system, the IT ecosystem sustainability system comprising a sustainability component; and, communicating between the sustainability component and the sustainability application to perform an IT inventory sustainability planning operation, the communicating providing the sustainability component with the sustainability information regarding the information handling system.
    Type: Application
    Filed: September 16, 2022
    Publication date: March 21, 2024
    Applicant: Dell Products L.P.
    Inventors: Christopher A. Robinette, David O. Garner, John E. Jenne, Vivek Viswanathan Iyer, Karthik Suryanarayanan
  • Patent number: 9892941
    Abstract: Apparatus, reactors, and methods for heating substrates are disclosed. The apparatus comprises a stage comprising a body and a surface having an area to support a substrate, a shaft coupled to the stage, a first heating element disposed within a central region of the body of the stage, and at least second and third heating elements disposed within the body of the stage, the at least second and third heating elements each partially surrounding the first heating element and wherein the at least second and third heating elements are circumferentially adjacent to each other.
    Type: Grant
    Filed: June 16, 2009
    Date of Patent: February 13, 2018
    Assignee: Applied Materials, Inc.
    Inventors: Anqing Cui, Binh Tran, Alexander Tam, Jacob W. Smith, R. Suryanarayanan Iyer, Joseph Yudovsky, Sean M. Seutter
  • Publication number: 20120291709
    Abstract: A method and apparatus for processing a substrate utilizing a rotating substrate support are disclosed herein. In one embodiment, an apparatus for processing a substrate includes a chamber having a substrate support assembly disposed within the chamber. The substrate support assembly includes a substrate support having a support surface and a heater disposed beneath the support surface. A shaft is coupled to the substrate support and a motor is coupled to the shaft through a rotor to provide rotary movement to the substrate support. A seal block is disposed around the rotor and forms a seal therewith. The seal block has at least one seal and at least one channel disposed along the interface between the seal block and the shaft. A port is coupled to each channel for connecting to a pump. A lift mechanism is coupled to the shaft for raising and lowering the substrate support.
    Type: Application
    Filed: July 26, 2012
    Publication date: November 22, 2012
    Applicant: Applied Materials, Inc.
    Inventors: Jacob Smith, ALEXANDER TAM, R. SURYANARAYANAN IYER, SEAN SEUTTER, BINH TRAN, NIR MERRY, ADAM BRAILOVE, ROBERT SHYDO, JR., ROBERT ANDREWS, FRANK ROBERTS, THEODORE SMICK, GEOFFREY RYDING
  • Publication number: 20100224130
    Abstract: A method and apparatus for processing a substrate utilizing a rotating substrate support are disclosed herein. In one embodiment, an apparatus for processing a substrate includes a chamber having a substrate support assembly disposed within the chamber. The substrate support assembly includes a substrate support having a support surface and a heater disposed beneath the support surface. A shaft is coupled to the substrate support and a motor is coupled to the shaft through a rotor to provide rotary movement to the substrate support. A seal block is disposed around the rotor and forms a seal therewith. The seal block has at least one seal and at least one channel disposed along the interface between the seal block and the shaft. A port is coupled to each channel for connecting to a pump. A lift mechanism is coupled to the shaft for raising and lowering the substrate support.
    Type: Application
    Filed: May 13, 2010
    Publication date: September 9, 2010
    Inventors: Jacob Smith, Alexander Tam, R. Suryanarayanan Iyer, Sean Seutter, Binh Tran, Nir Merry, Adam Brailove, Robert Shydo, JR., Robert Andrews, Frank Roberts, Theodore Smick, Geoffrey Ryding
  • Publication number: 20090314762
    Abstract: Apparatus, reactors, and methods for heating substrates are disclosed. The apparatus comprises a stage comprising a body and a surface having an area to support a substrate, a shaft coupled to the stage, a first heating element disposed within a central region of the body of the stage, and at least second and third heating elements disposed within the body of the stage, the at least second and third heating elements each partially surrounding the first heating element and wherein the at least second and third heating elements are circumferentially adjacent to each other.
    Type: Application
    Filed: June 16, 2009
    Publication date: December 24, 2009
    Applicant: Applied Materials, Inc.
    Inventors: Anqing Cui, Binh Tran, Alexander Tam, Jacob W. Smith, R. Suryanarayanan Iyer, Joseph Yudovsky, Sean M. Seutter
  • Patent number: 7601652
    Abstract: Embodiments of the invention generally provide a method for depositing films using photoexcitation. The photoexcitation may be utilized for at least one of treating the substrate prior to deposition, treating substrate and/or gases during deposition, treating a deposited film, or for enhancing chamber cleaning. In one embodiment, a method for depositing silicon and nitrogen-containing film on a substrate includes heating a substrate disposed in a processing chamber, generating a beam of energy of between about 1 to about 10 eV, transferring the energy to a surface of the substrate; flowing a nitrogen-containing chemical into the processing chamber, flowing a silicon-containing chemical with silicon-nitrogen bonds into the processing chamber, and depositing a silicon and nitrogen-containing film on the substrate.
    Type: Grant
    Filed: June 21, 2005
    Date of Patent: October 13, 2009
    Assignee: Applied Materials, Inc.
    Inventors: Kaushal K. Singh, Sean M. Seutter, Jacob Smith, R. Suryanarayanan Iyer, Steve G. Ghanayem, Adam Brailove, Robert Shydo, Jeannot Morin
  • Publication number: 20090111284
    Abstract: Embodiments of the invention generally provide a method for depositing silicon-containing films. In one embodiment, a method for depositing silicon-containing material film on a substrate includes heating a substrate disposed in a processing chamber to a temperature less than about 550 degrees Celsius; flowing a nitrogen and carbon containing chemical comprising (H3C)—N?N—H into the processing chamber; flowing a silicon-containing source chemical with silicon-nitrogen bonds into the processing chamber; and depositing a silicon and nitrogen containing film on the substrate.
    Type: Application
    Filed: January 5, 2009
    Publication date: April 30, 2009
    Inventors: Yaxin Wang, Yuji Maeda, Thomas C. Mele, Sean M. Seutter, Sanjeev Tandon, R. Suryanarayanan Iyer
  • Patent number: 7488690
    Abstract: An assembly comprises a multilayer nitride stack having nitride etch stop layers formed on top of one another, each of the nitride etch stop layers is formed using a film forming process. A method of making the multilayer nitride stack includes placing a substrate in a single wafer deposition chamber and thermally shocking the substrate momentarily prior to deposition. A first nitride etch stop layer is deposited over the substrate. A second nitride etch stop layer is deposited over the first nitride etch stop layer.
    Type: Grant
    Filed: July 6, 2004
    Date of Patent: February 10, 2009
    Assignee: Applied Materials, Inc.
    Inventors: R. Suryanarayanan Iyer, Andrew M. Lam, Yuji Maeda, Thomas Mele, Jacob W. Smith, Sean M. Seutter, Sanjeev Tandon, Randhir P. Singh Thakur, Sunderraj Thirupapuliyur
  • Patent number: 7473655
    Abstract: Embodiments of the invention generally provide a method for depositing silicon-containing films. In one embodiment, a method for depositing silicon-containing material film on a substrate includes flowing a nitrogen and carbon containing chemical into a deposition chamber, flowing a silicon-containing source chemical having silicon-nitrogen bonds into the processing chamber, and heating the substrate disposed in the chamber to a temperature less than about 550 degrees Celsius. In another embodiment, the silicon containing chemical is trisilylamine and the nitrogen and carbon containing chemical is (CH3)3—N.
    Type: Grant
    Filed: June 17, 2005
    Date of Patent: January 6, 2009
    Assignee: Applied Materials, Inc.
    Inventors: Yaxin Wang, Yuji Maeda, Thomas C. Mele, Sean M. Seutter, Sanjeev Tandon, R. Suryanarayanan Iyer
  • Patent number: 7465669
    Abstract: Embodiments of methods for fabricating a silicon nitride stack on a semiconductor substrate are provided herein. In one embodiment, a method for fabricating a silicon nitride stack on a semiconductor substrate includes depositing a base layer including silicon nitride on the substrate using a first set of process conditions that selectively control the stress of the base layer; and depositing an upper layer including silicon nitride using a second set of process conditions that selectively control at least one of an oxidation resistance and a refractive index of the upper layer.
    Type: Grant
    Filed: November 12, 2005
    Date of Patent: December 16, 2008
    Assignee: Applied Materials, Inc.
    Inventors: R. Suryanarayanan Iyer, Sanjeev Tandon, Kangzhan Zhang, Rubi Lapena, Yuji Maeda
  • Publication number: 20080246101
    Abstract: A method for forming a poly-crystalline silicon film on a substrate by positioning a substrate within a processing chamber, heating the processing chamber to a first temperature between about 640° C. and about 720° C., stabilizing a deposition pressure between about 200 Torr and about 350 Torr, introducing a silicon precursor into the processing chamber to deposit a silicon film comprising an amorphous or hemisphere grain film, and heating the processing chamber to a second temperature between about 700° C. and about 750 C.° to anneal the amorphous or hemisphere grain film into a poly-crystalline nano-crystalline grain film.
    Type: Application
    Filed: April 5, 2007
    Publication date: October 9, 2008
    Inventors: Ming Li, Yi Ma, R. Suryanarayanan Iyer
  • Patent number: 7416995
    Abstract: A method for fabricating a multiple layer silicon nitride film on a semiconductor substrate is provided herein. In one embodiment, a method for fabricating a multiple layer silicon nitride film on a semiconductor substrate includes providing a substrate over which the multiple layer silicon nitride film is to be formed; and forming the multiple layer silicon nitride film in a single processing reactor by: (a) depositing a base layer comprising silicon nitride on the base structure; (b) depositing a middle layer comprising a stress-controlling material on the base layer; and (c) depositing a top layer comprising silicon nitride on the middle layer. The stress-controlling material selectively increases or reduces the stress of the multiple layer silicon nitride film as compared to silicon nitride alone.
    Type: Grant
    Filed: November 12, 2005
    Date of Patent: August 26, 2008
    Assignee: Applied Materials, Inc.
    Inventors: R. Suryanarayanan Iyer, Sanjeev Tandon, Jacob W. Smith
  • Publication number: 20080197125
    Abstract: Embodiments of substrate heating methods and apparatus are provided herein. In one embodiment, a substrate heater is provided including a heater plate having a top surface and an opposing bottom surface, a recess formed in the top surface, the recess having a feature having an upper surface for supporting a substrate, wherein the depth from a bottom surface of the recess to the upper surface of the feature is at least 5 mils. One or more pads may be disposed in the recess for supporting a substrate. The heater plate may have a thickness of about 19 mm. One or more indentations may be formed in the bottom surface of the recess for altering the rate of heat transfer to a portion of a substrate disposed above the indentation during processing. The heater plate may be utilized in a process chamber for performing heat-assisted processes.
    Type: Application
    Filed: February 16, 2007
    Publication date: August 21, 2008
    Applicant: Applied Materials, Inc.
    Inventors: ANQING CUI, Sean M. Seutter, Jacob W. Grayson, R. Suryanarayanan Iyer
  • Publication number: 20080145536
    Abstract: A method and apparatus for depositing silicon boron nitride films is provided. The apparatus comprises a chamber, a gas mixing block connected to the chamber, and separate boron-containing precursor, silicon-containing precursor, and nitrogen-containing precursor gas line systems that are connected to the gas mixing block. Methods of depositing a silicon boron nitride film in the apparatus are provided. In another aspect, a method of depositing a silicon boron nitride film includes reacting a boron-containing precursor, silicon-containing precursor, and nitrogen-containing precursor in a chamber, wherein a ratio of the flow rate of the nitrogen-containing precursor into the chamber to the flow rate of the boron-containing precursor is greater than or equal to about 10.
    Type: Application
    Filed: December 13, 2006
    Publication date: June 19, 2008
    Inventors: KANGZHAN ZHANG, Sean M. Seutter, Jacob Grayson, R. Suryanarayanan Iyer
  • Publication number: 20080119059
    Abstract: Methods for low thermal budget silicon dioxide chemical vapor deposition in single-wafer chambers are provided. In semiconductor manufacturing, Si2H6-based oxide deposition is worthy of consideration as a viable alternative to higher temperature thermal CVD processes. A process of forming a film on a substrate is provided, the process comprising: placing a substrate in a thermal low-pressure chemical vapor deposition single-wafer chamber; flowing disilane (Si2H6) into the chamber; flowing nitrous oxide (N2O) into the chamber at a ratio of at least approximately 300:1 N2O:Si2H6; heating the chamber at a temperature of from approximately 450° C. to approximately 550° C.; and forming the film on the substrate, wherein the film comprises silicon dioxide (SiO2).
    Type: Application
    Filed: November 20, 2006
    Publication date: May 22, 2008
    Inventors: Jacob W. Smith, R. Suryanarayanan Iyer, Yuji Maeda
  • Patent number: 7365029
    Abstract: Embodiments of the invention generally provide a method for depositing a film containing silicon (Si) and nitrogen (N). In one embodiment, the method includes heating a substrate disposed in a processing chamber to a temperature less than about 650 degrees Celsius, flowing a nitrogen-containing gas into the processing chamber, flowing a silicon-containing gas into the processing chamber, and depositing a SiN-containing layer on a substrate. The silicon-containing gas is at least one of a gas identified as NR2—Si(R?2)—Si(R?2)—NR2 (amino(di)silanes), R3—Si—N?N?N (silyl azides), R?3—Si—NR—NR2 (silyl hydrazines) or 1,3,4,5,7,8-hexamethytetrasiliazane, wherein R and R? comprise at least one functional group selected from the group of a halogen, an organic group having one or more double bonds, an organic group having one or more triple bonds, an aliphatic alkyl group, a cyclical alkyl group, an aromatic group, an organosilicon group, an alkyamino group, or a cyclic group containing N or Si.
    Type: Grant
    Filed: June 14, 2005
    Date of Patent: April 29, 2008
    Assignee: Applied Materials, Inc.
    Inventors: R. Suryanarayanan Iyer, Sean M. Seutter, Sanjeev Tandon, Errol Antonio C. Sanchez, Shulin Wang
  • Patent number: 7341907
    Abstract: Methods for depositing hemispherical grained silicon layers and nanocrystalline grain-sized polysilicon layers are provided. The hemispherical grained silicon layers and nanocrystalline grain-sized polysilicon layers are deposited in single substrate chemical vapor deposition chambers. The hemispherical grained silicon layers and nanocrystalline grain-sized polysilicon layers may be used as electrode layers in semiconductor devices. In one aspect, a two step deposition process is provided to form a nanocrystalline grain-sized polysilicon layer with a reduced roughness.
    Type: Grant
    Filed: April 5, 2005
    Date of Patent: March 11, 2008
    Assignee: Applied Materials, Inc.
    Inventors: Ming Li, Kevin Cunningham, Sheeba Panayil, Guangcai Xing, R. Suryanarayanan Iyer
  • Patent number: 7294581
    Abstract: Embodiments of methods for fabricating a spacer structure on a semiconductor substrate are provided herein. In one embodiment, a method for fabricating a spacer structure on a semiconductor substrate includes providing a substrate containing a base structure over which the spacer structure is to be formed. The spacer structure may be formed over the base structure by depositing a first layer comprising silicon nitride on the base structure, depositing a second layer comprising a silicon-based dielectric material on the first layer, and depositing a third layer comprising silicon nitride on the second layer. The first, second, and third layers are deposited in a single processing reactor.
    Type: Grant
    Filed: October 17, 2005
    Date of Patent: November 13, 2007
    Assignee: Applied Materials, Inc.
    Inventors: R. Suryanarayanan Iyer, Sanjeev Tandon
  • Patent number: 7119016
    Abstract: A compound that includes at least Si, N and C in any combination, such as compounds of formula (R—NH)4-nSiXn wherein R is an alkyl group (which may be the same or different), n is 1, 2 or 3, and X is H or halogen (such as, e.g., bis-tertiary butyl amino silane (BTBAS)), may be mixed with silane or a silane derivative to produce a film. A polysilicon silicon film may be grown by mixing silane (SiH4) or a silane derviative and a compound including Si, N and C, such as BTBAS. Films controllably doped with carbon and/or nitrogen (such as layered films) may be grown by varying the reagents and conditions.
    Type: Grant
    Filed: October 15, 2003
    Date of Patent: October 10, 2006
    Assignees: International Business Machines Corporation, Applied Materials, Inc.
    Inventors: Ashima B. Chakravarti, Anita Madan, Woo-Hyeong Lee, Gregory Wayne Dibello, Ramaseshan Suryanarayanan Iyer
  • Publication number: 20060019032
    Abstract: In one embodiment, a method for depositing a layer containing silicon nitride on a substrate surface is provided which includes positioning a substrate in a process chamber, maintaining the substrate at a predetermined temperature, and exposing the substrate surface to an alkylaminosilane compound and at least one ammonia-free reactant. In another embodiment, a method for depositing a silicon nitride material on a substrate is provided which includes positioning a substrate in a process chamber, maintaining the substrate at a predetermined temperature, and exposing the substrate surface to bis(tertiarybutylamino)silane and a reagent, such as hydrogen, silane and/or disilane.
    Type: Application
    Filed: July 23, 2004
    Publication date: January 26, 2006
    Inventors: Yaxin Wang, Suryanarayanan Iyer, Sean Seutter