Patents by Inventor Rajesh Odedra

Rajesh Odedra 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: 20130210241
    Abstract: A method of depositing a film on a substrate surface includes providing a substrate in a reaction chamber; selecting a silicon-containing reactant from a precursor group consisting of di-tert-butyl diazidosilane, bis(ethylmethylamido)silane, bis(diisopropylamino)silane, bis(tert-butylhydrazido)diethylsilane, tris(dimethylamido) silylazide, tris(dimethylamido)silylamide, ethylsilicon triazide, diisopropylaminosilane, and hexakis(dimethylamido)disilazane; introducing the silicon-containing reactant in vapor phase into the reaction chamber under conditions allowing the silicon-containing reactant to adsorb onto the substrate surface; introducing a second reactant in vapor phase into the reaction chamber while the silicon-containing reactant is adsorbed on the substrate surface, and wherein the second reactant is introduced without first sweeping the silicon-containing reactant out of the reaction chamber; and exposing the substrate surface to plasma to drive a reaction between the silicon-containing reactant and
    Type: Application
    Filed: March 1, 2012
    Publication date: August 15, 2013
    Applicant: Novellus Systems Inc.
    Inventors: Adrien LaVoie, Mark J. Saly, Daniel Moser, Rajesh Odedra, Ravi Kanjolia
  • Publication number: 20130196065
    Abstract: Molybdenum (IV) amide complexes are disclosed herein corresponding in structure to Formula (I): wherein: L is —NR1R2; R1 and R2 are C1-C6-alkyl or hydrogen; R is C1-C6-alkyl; and n is zero, 1, 2 or 3. Further, methods of forming MoO2 films by atomic layer deposition (ALD) using Formula (I) complexes and Mo[N(Me)(Et)]4 are disclosed herein.
    Type: Application
    Filed: August 25, 2011
    Publication date: August 1, 2013
    Applicant: Sigma-Aldrich Co LLC
    Inventors: Peter Nicholas Heys, Rajesh Odedra, Sarah Louise Hindley
  • Patent number: 8481121
    Abstract: Methods of forming thin metal-containing films by chemical phase deposition, particularly atomic layer deposition (ALD) and chemical vapor deposition (CVD), are provided. The methods comprise delivering at least one organometallic precursor to a substrate, wherein the at least one precursor corresponds in structure to Formula (II); wherein: M is Ru, Fe or Os; R is Q-C10-alkyl; X is C1-C10-alkyl; and n is zero, 1, 2, 3, 4 or 5. Further provided are methods of making precursors disclosed herein.
    Type: Grant
    Filed: July 24, 2008
    Date of Patent: July 9, 2013
    Assignee: Sigma-Aldrich Co., LLC
    Inventors: Ravi Kanjolia, Rajesh Odedra, Neil Boag, David Weyburne
  • Patent number: 8476467
    Abstract: An organometallic precursor is provided. The precursor corresponds in structure to Formula I: Cp(R)nM(CO)2(X)??(Formula I) wherein: M is Ru, Fe or Os; R is C1-C10-alkyl; X is C1-C10-alkyl; and n is 1, 2, 3, 4 or 5. The precursors are useful in chemical phase deposition processes, such as atomic layer deposition (ALD) and chemical vapor deposition (CVD).
    Type: Grant
    Filed: July 24, 2008
    Date of Patent: July 2, 2013
    Assignee: Sigma-Aldrich Co. LLC
    Inventors: Ravi Kanjolia, Rajesh Odedra, Neil Boag
  • Publication number: 20130041170
    Abstract: Organometallic complexes and use thereof in thin film deposition, such as CVD and ALD are provided herein. The organometallic complexes are (alkyl-substituted ?3-allyl)(carbonyl)metal complexes.
    Type: Application
    Filed: August 8, 2012
    Publication date: February 14, 2013
    Applicant: Sigma-Aldrich Co. LLC
    Inventors: Rajesh Odedra, Neil Boag, Jeff Anthis, Ravi Kanjolia, Mark Saly
  • Patent number: 8272626
    Abstract: A bubbler (2) for delivering liquid or solid metalorganic compounds to a reactor site. The bubbler has an inner and outer chamber and has a member (14) positioned between its inlet (6) and outlet (8) that is provided with a plurality of apertures therein. The member (14) is preferably in the form of a perforated disc having a predefined density of apertures therein to provide optimum pick up and flow of carrier gas through the bubbler.
    Type: Grant
    Filed: October 12, 2006
    Date of Patent: September 25, 2012
    Assignee: Sigma-Aldrich Co. LLC
    Inventors: Hugh Cunning, Graham Williams, Rajesh Odedra, Ravi Kanjolia
  • Patent number: 8221852
    Abstract: Methods of forming titanium-containing films by atomic layer deposition are provided. The methods comprise delivering at least one precursor to a substrate, wherein the at least one precursor corresponds in structure to Formula I: wherein: R is C1-C6-alkyl; n is zero, 1, 2, 3, 4 or 5; L is C1-C6-alkoxy or amino, wherein the amino is optionally independently substituted 1 or 2 times with C1-C6-alkyl.
    Type: Grant
    Filed: September 10, 2008
    Date of Patent: July 17, 2012
    Assignee: Sigma-Aldrich Co. LLC
    Inventors: Peter Nicholas Heys, Andrew Kingsley, Fuquan Song, Paul Williams, Thomas Leese, Hywel Owen Davies, Rajesh Odedra
  • Publication number: 20120177845
    Abstract: A method for forming a cobalt-containing thin film by a vapor deposition process is provided. The method comprises using at least one precursor corresponding in structure to Formula (I); wherein R1 and R2 are independently C2-C8-alkyl; x is zero, 1 or 2; and y is zero or 1; wherein both x and y can not be zero simultaneously.
    Type: Application
    Filed: July 27, 2010
    Publication date: July 12, 2012
    Applicant: Sigma-Aldrich Co. LLC
    Inventors: Rajesh Odedra, Neil Boag, Jeff Anthis, Ravi Kanjolia
  • Publication number: 20120178266
    Abstract: Compositions and methods for forming titanium-containing thin films are provided. The compositions comprise at least one precursor selected from the group consisting of (methylcyclopentadienyl)Ti(NMe2)3, (ethylcyclopentadienyl)Ti(NMe2)3, (isopropylcyclopentadienyl)Ti(NMe2)3, (methylcyclopentadienyl)Ti(NEt2)3, (methylcyclopentadienyl)Ti(NMeEt)3, (ethylcyclopentadienyl)Ti(NMeEt)3 and (methylcyclopentadienyl)Ti(OMe)3; and at least one liquification co-factor other than the at least one precursor; wherein the at least one liquification co-factor is present in amount sufficient to co-act with the at least one precursor, and in combination with the at least one precursor, forms a liquid composition.
    Type: Application
    Filed: July 19, 2010
    Publication date: July 12, 2012
    Applicant: SIGMA-AIDRICH CO. LLC
    Inventors: Peter Nicholas Heys, Rajesh Odedra, Andrew Kingsley
  • Patent number: 8039062
    Abstract: Methods of forming a metal-containing film by atomic layer deposition is provided. The methods comprise delivering at least one precursor to a substrate, wherein the at least one precursor corresponds in structure to Formula II: wherein: M is Hf or Zr; R is C1-C6-alkyl; n is zero, 1, 2, 3, 4 or 5; L is C1-C6-alkoxy. Further methods are provided of forming a metal-containing film by liquid injection atomic layer deposition. The methods comprise delivering at least one precursor to a substrate, wherein the at least one precursor corresponds in structure to Formula III: wherein: M is Hf or Zr; R is C1-C6-alkyl; n is zero, 1, 2, 3, 4 or 5; L is amino, wherein the amino is optionally independently substituted 1 or 2 times with C1-C6-alkyl.
    Type: Grant
    Filed: September 10, 2008
    Date of Patent: October 18, 2011
    Assignee: Sigma-Aldrich Co. LLC
    Inventors: Peter Nicholas Heys, Andrew Kingsley, Fuquan Song, Paul Williams, Thomas Leese, Hywel Owen Davies, Rajesh Odedra
  • Publication number: 20110165780
    Abstract: A method of forming ruthenium-containing films by atomic layer deposition is provided. The method comprises delivering at least one precursor to a substrate, the at least one precursor corresponding in structure to Formula I: (L)Ru(CO)3 wherein L is selected from the group consisting of a linear or branched C2-C6-alkenyl and a linear or branched C1-6-alkyl; and wherein L is optionally substituted with one or more substituents independently selected from the group consisting of C2-C6-alkenyl, C1-6-alkyl, alkoxy and NR1R2; wherein R1 and R2 are independently alkyl or hydrogen.
    Type: Application
    Filed: May 29, 2009
    Publication date: July 7, 2011
    Applicant: Sigma-Aldrich Co.
    Inventors: Ravi Kanjolia, Rajesh Odedra, Jeff Anthis, Neil Boag
  • Publication number: 20100261350
    Abstract: Methods of forming thin metal-containing films by chemical phase deposition, particularly atomic layer deposition (ALD) and chemical vapor deposition (CVD), are provided. The methods comprise delivering at least one organometallic precursor to a substrate, wherein the at least one precursor corresponds in structure to Formula (II); wherein: M is Ru, Fe or Os; R is Q-C10-alkyl; X is C1-C10-alkyl; and n is zero, 1, 2, 3, 4 or 5. Further provided are methods of making precursors disclosed herein.
    Type: Application
    Filed: July 24, 2008
    Publication date: October 14, 2010
    Applicant: SIGMA-ALDRICH CO.
    Inventors: Ravi Kanjolia, Rajesh Odedra, Neil Boag, David Weyburne
  • Publication number: 20100256406
    Abstract: An organometallic precursor is provided. The precursor corresponds in structure to Formula (I): Cp(R)nM(CO)2(X), wherein: M is Ru, Fe or Os; R is C1-C10-alkyl; X is C1-C10-alkyl; and n is 1, 2, 3, 4 or 5. The precursors are useful in chemical phase deposition processes, such as atomic layer deposition (ALD) and chemical vapor deposition (CVD).
    Type: Application
    Filed: July 24, 2008
    Publication date: October 7, 2010
    Applicant: SIGMA-ALDRICH CO.
    Inventors: Ravi Kanjolia, Rajesh Odedra, Neil Boag
  • Publication number: 20090081385
    Abstract: Methods of forming a metal-containing film by atomic layer deposition is provided. The methods comprise delivering at least one precursor to a substrate, wherein the at least one precursor corresponds in structure to Formula II: wherein: M is Hf or Zr; R is C1-C6-alkyl; n is zero, 1, 2, 3, 4 or 5; L is C1-C6-alkoxy. Further methods are provided of forming a metal-containing film by liquid injection atomic layer deposition. The methods comprise delivering at least one precursor to a substrate, wherein the at least one precursor corresponds in structure to Formula III: wherein: M is Hf or Zr; R is C1-C6-alkyl; n is zero, 1, 2, 3, 4 or 5; L is amino, wherein the amino is optionally independently substituted 1 or 2 times with C1-C6-alkyl.
    Type: Application
    Filed: September 10, 2008
    Publication date: March 26, 2009
    Inventors: Peter Nicholas Heys, Andrew Kingsley, Fuquan Song, Paul Williams, Thomas Leese, Hywel Owen Davies, Rajesh Odedra
  • Publication number: 20090074983
    Abstract: Methods of forming titanium-containing films by atomic layer deposition are provided. The methods comprise delivering at least one precursor to a substrate, wherein the at least one precursor corresponds in structure to Formula I: wherein: R is C1-C6-alkyl; n is zero, 1, 2, 3, 4 or 5; L is C1-C6-alkoxy or amino, wherein the amino is optionally independently substituted 1 or 2 times with C1-C6-alkyl.
    Type: Application
    Filed: September 10, 2008
    Publication date: March 19, 2009
    Inventors: Peter Nicholas Heys, Andrew Kingsley, Fuquan Song, Paul Williams, Thomas Leese, Hywel Owen Davies, Rajesh Odedra
  • Publication number: 20080251016
    Abstract: A bubbler (2) for delivering liquid or solid metalorganic compounds to a reactor site. The bubbler has an inner and outer chamber and has a member (14) positioned between its inlet (6) and outlet (8) that is provided with a plurality of apertures therein. The member (14) is preferably in the form of a perforated disc having a predefined density of apertures therein to provide optimum pick up and flow of carrier gas through the bubbler.
    Type: Application
    Filed: October 12, 2006
    Publication date: October 16, 2008
    Inventors: Hugh Cunning, Graham Williams, Rajesh Odedra, Ravi Kanjolia
  • Patent number: 7282119
    Abstract: A process and apparatus to enable the continuous isolation of an organometallic compound, such as trimethylindium from a liquid feedstock. The liquid feedstock is delivered to a distillation column having two heating zones to effect dissociation of the feed stock thereby liberating the organometallic compound, which is collected as a vapor from the top of the column.
    Type: Grant
    Filed: March 5, 2001
    Date of Patent: October 16, 2007
    Assignee: Sigma-Aldrich Co.
    Inventors: Rajesh Odedra, Megan Ravetz, Graham Williams, Phillip Reeve Jacobs
  • Publication number: 20040254389
    Abstract: A process and apparatus to enable the continuous isolation of an organometallic compound, such as trimethylindium form a liquid feedstock. The liquid feedstock is delivered to a distillation column (2) having two heating zones (6, 8) to effect dissociation of the feedstock thereby liberating the organometallic compound which is collected as a vapour form the top (4) of the column.
    Type: Application
    Filed: July 23, 2003
    Publication date: December 16, 2004
    Inventors: Rajesh Odedra, Megan Ravetz, Graham Williams, Phillip Reeve Jacobs
  • Publication number: 20040164089
    Abstract: PURPOSE: To improve the evaporation efficiency of a raw material by mounting an element of a porous sintered metal having the pore size smaller than the size of the solid raw material to a port for introducing a carrier gas into a bubbler vessel.
    Type: Application
    Filed: February 25, 2004
    Publication date: August 26, 2004
    Applicants: Epichem Limited, IQE plc
    Inventors: Megan Ravetz, Graham Williams, Andrew Nelson, Roy Trevor Blunt, Howard Williams, Rajesh Odedra
  • Patent number: 6698728
    Abstract: A method and apparatus for the bulk delivery of a precursor, such as an organometallic compound, from a bulk container, such as a bubbler (1) to a plurality of reactor sites (12, 14, 16, 18, 20) wherein a carrier gas (2) is introduced into the container (1) of the precursor to pick up the precursor to form a gaseous mixture. The gaseous mixture is then selectively distributed to one or more of a plurality of reactor sites (12, 14, 16, 18, 20). The gaseous mixture may be stored in a reservoir (9) and be drawn by means of a pressure differential or under vacuum to each of the reactor sites, when required.
    Type: Grant
    Filed: June 6, 2002
    Date of Patent: March 2, 2004
    Assignees: Epichem Limited, IQE PLC
    Inventors: Megan Ravetz, Graham Williams, Andrew Nelson, Roy Trevor Blunt, Howard Williams, Rajesh Odedra