Patents by Inventor Robert N. Lang

Robert N. Lang 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: 7314700
    Abstract: The resist compositions having an acid sensitive imaging polymer and a radiation sensitive acid generator component comprising: (i) a first radiation sensitive acid generator selected from the group consisting of dissolution-inhibiting acid generators, and (ii) a second radiation sensitive acid generator selected from the group consisting of unprotected acidic group-functionalized acid generators and acid labile group-protected acidic group-functionalized radiation sensitive acid generators; enables formation of high sensitivity resists suitable for use in EPL, EUV, soft x-ray, and other low energy intensity lithographic imaging applications. The resist compositions may be useful in other lithographic processes as well.
    Type: Grant
    Filed: December 5, 2002
    Date of Patent: January 1, 2008
    Assignee: International Business Machines Corporation
    Inventors: Wu-Song Huang, Wenjie Li, Wayne Moreau, David R. Medeiros, Karen E. Petrillo, Robert N. Lang, Marie Angelopoulos
  • Patent number: 6979518
    Abstract: An attenuating embedded phase shift photomask blank that produces a phase shift of the transmitted light is formed with an optically translucent film made of metal, silicon, nitrogen and oxygen. An etch stop layer is added to improve the etch selectivity of the phase shifting layer. A wide range of optical transmission (0.001% up to 15% at 157 nm) is obtained by this process.
    Type: Grant
    Filed: December 4, 2003
    Date of Patent: December 27, 2005
    Assignee: International Business Machines Corporation
    Inventors: Marie Angelopoulos, Katherina Babich, S. Jay Chey, Michael Straight Hibbs, Robert N. Lang, Arpan Pravin Mahorowala, Kenneth Christopher Racette
  • Patent number: 6821718
    Abstract: A negative resist composition, comprising: (a) silicon-containing polymer with pendant fused moieties selected from the group consisting of fused aliphatic moieties, homocyclic fused aromatic moieties, and heterocyclic fused aromatic and sites for reaction with a crosslinking agent, (b) an acid-sensitive crosslinking agent, and (c) a radiation-sensitive acid generator is provided. The resist composition is used to form a patterned material layer in a substrate.
    Type: Grant
    Filed: September 9, 2003
    Date of Patent: November 23, 2004
    Assignee: International Business Machines Corporation
    Inventors: Marie Angelopoulos, Ari Aviram, Wu-Song Huang, Ranee W. Kwong, Robert N. Lang, Qinghuang Lin, Wayne M. Moreau
  • Publication number: 20040170907
    Abstract: An attenuating embedded phase shift photomask blank that produces a phase shift of the transmitted light is formed with an optically translucent film made of metal, silicon, nitrogen and oxygen. An etch stop layer is added to improve the etch selectivity of the phase shifting layer. A wide range of optical transmission (0.001% up to 15% at 157 nm) is obtained by this process.
    Type: Application
    Filed: December 4, 2003
    Publication date: September 2, 2004
    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Marie Angelopoulos, Katherina Babich, S. Jay Chey, Michael Straight Hibbs, Robert N. Lang, Arpan Pravin Mahorowala, Kenneth Christopher Racette
  • Patent number: 6730445
    Abstract: An attenuating embedded phase shift photomask blank that produces a phase shift of the transmitted light is formed with an optically translucent film made of metal, silicon, nitrogen and oxygen. An etch stop layer is added to improve the etch selectivity of the phase shifting layer. A wide range of optical transmission (0.001% up to 15% at 157 nm) is obtained by this process.
    Type: Grant
    Filed: November 22, 2002
    Date of Patent: May 4, 2004
    Assignee: International Business Machines Corporation
    Inventors: Marie Angelopoulos, Katherina Babich, S. Jay Chey, Michael Straight Hibbs, Robert N. Lang, Arpan Pravin Mahorowala, Kenneth Christopher Racette
  • Publication number: 20040048204
    Abstract: A negative resist composition, comprising:
    Type: Application
    Filed: September 9, 2003
    Publication date: March 11, 2004
    Applicant: International Business Machines
    Inventors: Marie Angelopoulos, Ari Aviram, Wu-Song Huang, Ranee W. Kwong, Robert N. Lang, Qinghuang Lin, Wayne M. Moreau
  • Patent number: 6682860
    Abstract: An attenuating embedded phase shift photomask blank that produces a phase shift of the transmitted light is formed with an optically translucent film made of metal, silicon, nitrogen and oxygen. An etch stop layer is added to improve the etch selectivity of the phase shifting layer. A wide range of optical transmission (0.001% up to 15% at 157 nm) is obtained by this process.
    Type: Grant
    Filed: April 12, 2002
    Date of Patent: January 27, 2004
    Assignee: International Business Machines Corporation
    Inventors: Marie Angelopoulos, Katherina Babich, S. Jay Chey, Michael Straight Hibbs, Robert N. Lang, Arpan Pravin Mahorowala, Kenneth Christopher Racette
  • Patent number: 6653045
    Abstract: A negative resist composition, comprising: (a) silicon-containing polymer with pendant fused moieties selected from the group consisting of fused aliphatic moieties, homocyclic fused aromatic moieties, and heterocyclic fused aromatic and sites for reaction with a crosslinking agent, (b) an acid-sensitive crosslinking agent, and (c) a radiation-sensitive acid generator is provided. The resist composition is used to form a patterned material layer in a substrate.
    Type: Grant
    Filed: February 16, 2001
    Date of Patent: November 25, 2003
    Assignee: International Business Machines Corporation
    Inventors: Marie Angelopoulos, Ari Aviram, Wu-Song Huang, Ranee W. Kwong, Robert N. Lang, Qinghuang Lin, Wayne M. Moreau
  • Publication number: 20030194569
    Abstract: An attenuating embedded phase shift photomask blank that produces a phase shift of the transmitted light is formed with an optically translucent film made of metal, silicon, nitrogen and oxygen. An etch stop layer is added to improve the etch selectivity of the phase shifting layer. A wide range of optical transmission (0.001% up to 15% at 157 nm) is obtained by this process.
    Type: Application
    Filed: November 22, 2002
    Publication date: October 16, 2003
    Inventors: Marie Angelopoulos, Katherina Babich, S. Jay Chey, Michael Straight Hibbs, Robert N. Lang, Arpan Pravin Mahorowala, Kenneth Christopher Racette
  • Publication number: 20030194568
    Abstract: An attenuating embedded phase shift photomask blank that produces a phase shift of the transmitted light is formed with an optically translucent film made of metal, silicon, nitrogen and oxygen. An etch stop layer is added to improve the etch selectivity of the phase shifting layer. A wide range of optical transmission (0.001% up to 15% at 157 nm) is obtained by this process.
    Type: Application
    Filed: April 12, 2002
    Publication date: October 16, 2003
    Applicant: International Business Machines Corporation
    Inventors: Marie Angelopoulos, Katherina Babich, S. Jay Chey, Michael Straight Hibbs, Robert N. Lang, Arpan Pravin Mahorowala, Kenneth Christopher Racette
  • Patent number: 6586156
    Abstract: A chemically amplified (CA) photoresist system wherein a terpolymer containing ketal/phenolic/silicon based sidechains is provided. Among other things, the terpolymers provide for improved bake technologies. In another aspect a process for lithographic treatment of a substrate by means of ketal/phenolic/silicon based compositions and corresponding processes for the production of an object, particularly an electronic component are provided.
    Type: Grant
    Filed: July 17, 2001
    Date of Patent: July 1, 2003
    Assignee: International Business Machines Corporation
    Inventors: Marie Angelopoulos, Wu-Song Huang, Dai Junyan, Ranee W. Kwong, Robert N. Lang, Arpan P. Mahorowala, David R. Medeiros, Wayne M. Moreau, Karen E. Petrillo
  • Publication number: 20030049561
    Abstract: A chemically amplified (CA) photoresist system wherein a terpolymer containing ketal/phenolic/silicon based sidechains is provided. Among other things, the terpolymers provide for improved bake technologies. In another aspect a process for lithographic treatment of a substrate by means of ketal/phenolic/silicon based compositions and corresponding processes for the production of an object, particularly an electronic component are provided.
    Type: Application
    Filed: July 17, 2001
    Publication date: March 13, 2003
    Applicant: International Business Machines Corporation
    Inventors: Marie Angelopoulos, Wu-Song Huang, Dai Junyan, Ranee W. Kwong, Robert N. Lang, Arpan P. Mahorowala, David R. Medeiros, Wayne M. Moreau, Karen E. Petrillo
  • Publication number: 20020115017
    Abstract: A negative resist composition, comprising:
    Type: Application
    Filed: February 16, 2001
    Publication date: August 22, 2002
    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Marie Angelopoulos, Ari Aviram, Wu-Song Huang, Ranee W. Kwong, Robert N. Lang, Qinghuang Lin, Wayne M. Moreau
  • Patent number: 6420084
    Abstract: The invention provides improved resist compositions and lithographic methods using the resist compositions of the invention. The resist compositions of the invention are acid-catalyzed resists which are characterized by the presence of an SiO-containing polymer. The invention also encompasses methods of forming patterned material layers (especially conductive, semiconductive, or magnetic material structures) using the combination of the SiO-containing resist and a halogen compound-containing pattern transfer etchant where the halogen is Cl, Br or I.
    Type: Grant
    Filed: June 23, 2000
    Date of Patent: July 16, 2002
    Assignee: International Business Machines Corporation
    Inventors: Marie Angelopoulos, Ari Aviram, C. Richard Guarnieri, Wu-Song Huang, Ranee Kwong, Robert N. Lang, Arpan P. Mahorowala, David R. Medeiros, Wayne M. Moreau
  • Patent number: 5399462
    Abstract: A method is provided for forming a microlithographic relief image having a width of less than one half micron in a bilayer resist composition. The resist composition comprises a single component, silicon-containing photoimageable layer and a polymeric underlayer having a high optical density and a refractive index similar to the refractive index of the overlaying resist. The method provides for the formation of a relief image in the top layer using an i-line (365 nm) or deep ultra violet (170 to 300 nm) light source, followed by O.sub.2 RIE transfer of the relief image into the polymeric underlayer.
    Type: Grant
    Filed: July 13, 1994
    Date of Patent: March 21, 1995
    Assignee: International Business Machines Corporation
    Inventors: Krishna G. Sachdev, Premlatha Jagannathan, Robert N. Lang, Harbans S. Sachdev, Ratnam Sooriyakumaran, Joel R. Whitaker
  • Patent number: 5240812
    Abstract: A protective material for use as an overcoating film for acid catalyzed resist compositions comprising a polymeric film forming compound, the films of which are impermeable to vapors of organic and inorganic bases.
    Type: Grant
    Filed: November 18, 1991
    Date of Patent: August 31, 1993
    Assignee: International Business Machines Corporation
    Inventors: Willard E. Conley, Ranee W. Kwong, Richard J. Kvitek, Robert N. Lang, Christopher F. Lyons, Steve S. Miura, Wayne M. Moreau, Harbans S. Sachdev, Robert L. Wood
  • Patent number: 5115090
    Abstract: Viscosity stable, essentially gel-free linear polyamic acids are provided by a process utilizing offset stoichiometry. Polyimides formed from such polyamic acids have low TCE and low dielectric constants.Methods for improved adhesion of polyimides are also disclosed.
    Type: Grant
    Filed: March 30, 1990
    Date of Patent: May 19, 1992
    Inventors: Krishna G. Sachdev, John P. Hummel, Ranee W. Kwong, Robert N. Lang, Leo L. Linehan, Harbans S. Sachdev