Patents by Inventor Ralph Dammel

Ralph Dammel 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: 9505721
    Abstract: [Problem] to provide an aromatic imide compound wherein the sensitivity for visible light such as g-line, h-line etc. is increased and solubility is also improved. [Means for solving problem] The aromatic imide compound of the invention is a compound represented by the formula (1) below (in the formula, R1 represents a haloalkyl group having 1 to 7 carbon atoms or a haloaryl group, R2 represents a group containing a substituted or unsubstituted, aliphatic or aromatic group which may have a heteroatom, and adjacent R2s may form an imido group by connecting each other, R3 represent a halogen atom or a hydrocarbon group, m is zero or an integer of 1 or more, n is zero or an integer of 1 or more, and a sum of n and m is 1 to 6). These compounds are obtained by following processes. A halogenated naphtharic anhydride is reacted with an aromatic group-containing hydrocarbon such as ethynylbenzene to prepare a naphthalic anhydride substituted by an aromatic group-containing group.
    Type: Grant
    Filed: October 28, 2013
    Date of Patent: November 29, 2016
    Assignee: AZ ELECRONIC MATERIALS (LUXEMBOURG) S.A.R.L.
    Inventors: Eri Hirahara, Ralph Dammel, Georg Pawlowski
  • Publication number: 20150299132
    Abstract: [Problem] to provide an aromatic imide compound wherein the sensitivity for visible light such as g-line, h-line etc. is increased and solubility is also improved. [Means for solving problem] The aromatic imide compound of the invention is a compound represented by the formula (1) below (in the formula, R1 represents a haloalkyl group having 1 to 7 carbon atoms or a haloaryl group, R2 represents a group containing a substituted or unsubstituted, aliphatic or aromatic group which may have a heteroatom, and adjacent R2s may form an imido group by connecting each other, R3 represent a halogen atom or a hydrocarbon group, m is zero or an integer of 1 or more, n is zero or an integer of 1 or more, and a sum of n and m is 1 to 6). These compounds are obtained by following processes. A halogenated naphtharic anhydride is reacted with an aromatic group-containing hydrocarbon such as ethynylbenzene to prepare a naphthalic anhydride substituted by an aromatic group-containing group.
    Type: Application
    Filed: October 28, 2013
    Publication date: October 22, 2015
    Applicant: AZ ELECTRONIC MATERIALS (LUXEMBOURG) S.A.R.L.
    Inventors: Eri HIRAHARA, Ralph DAMMEL, Georg PAWLOWSKI
  • Patent number: 8329387
    Abstract: The present invention relates to an antireflective coating composition comprising a novel polymer without an aromatic chromophore, where the polymer comprises a structural unit derived from an aminoplast and a structural unit derived from a diol, triol, dithiol, trithiol, other polyols, diacid, triacid, other polyacids, diimide or mixture thereof, where the diol, dithiol, triol, trithiol, diacid, triacid, diimide, diamide or imide-amide optionally contain one or more nitrogen and/or sulfur atoms or contain one or more alkene groups. The invention also relates to the novel polymer and a process for using the novel antireflective coating composition in a lithographic process.
    Type: Grant
    Filed: July 8, 2008
    Date of Patent: December 11, 2012
    Assignee: AZ Electronic Materials USA Corp.
    Inventors: Huirong Yao, Guanyang Lin, Jian Yin, Hengpeng Wu, Mark Neisser, Ralph Dammel
  • Publication number: 20100009297
    Abstract: Antireflective coatings and related polymers are disclosed.
    Type: Application
    Filed: July 8, 2008
    Publication date: January 14, 2010
    Inventors: Huirong Yao, Guanyang Lin, Jian Yin, Hengpeng Wu, Mark Neisser, Ralph Dammel
  • Publication number: 20070172762
    Abstract: The present invention relates to a photoresist composition comprising a photoacid generator and at least one polymer comprising at least one unit as described by structure 1, The invention also relates to a process for imaging the photoresist composition of the present invention, and to a process of making the polymer in the presence of an organic base.
    Type: Application
    Filed: March 9, 2007
    Publication date: July 26, 2007
    Inventors: Ralph Dammel, Raj Sakamuri, Francis Houlihan
  • Publication number: 20070154841
    Abstract: The present invention relates to a photoresist composition comprising a photoacid generator and at least one polymer comprising at least one unit as described by structure 1, The invention also relates to a process for imaging the photoresist composition of the present invention, and to a process of making the polymer in the presence of an organic base.
    Type: Application
    Filed: March 9, 2007
    Publication date: July 5, 2007
    Inventors: Ralph Dammel, Raj Sakamuri, Francis Houlihan
  • Patent number: 7169531
    Abstract: A photoresist that is suitable for use in 157 nm photolithography includes a polymer based on fluorinated norbornene derivatives.
    Type: Grant
    Filed: October 28, 2004
    Date of Patent: January 30, 2007
    Assignees: Infineon Technologies, AG, AZ Electronic Materials USA Corp.
    Inventors: Christoph Hohle, Ralph Dammel, Michael Francis Houlihan
  • Publication number: 20070015084
    Abstract: The present application relates to a compound of formula A-X-B, where (i) A-X-B form an ionic compound Ai Xi Bi where Ai and Bi are each individually an organic onium cation; and Xi is anion of the formula Q-R500—SO3? or (ii) A-X-B form a non-ionic compound Ac-Xc-Bc, where Ai, Bi, Q, R500, Ac, Bc, and Xc are defined herein. The compounds are useful as photoactive materials.
    Type: Application
    Filed: February 16, 2006
    Publication date: January 18, 2007
    Inventors: M. Rahman, Francis Houlihan, Munirathna Padmanaban, SangHo Lee, Ralph Dammel, David Rentkiewicz, Clement Anyadiegwu
  • Publication number: 20060177772
    Abstract: A process for imaging a photoresist comprising the steps of, a) forming a stack of multiple layers of organic antireflective coatings on a substrate; b) forming a coating of a photoresist over the upper layer of the stack of multiple layers of organic antireflective coatings; c) imagewise exposing the photoresist with an exposure equipment; and, d) developing the coatings with a developer.
    Type: Application
    Filed: February 10, 2005
    Publication date: August 10, 2006
    Inventors: David Abdallah, Mark Neisser, Ralph Dammel, Georg Pawlowski, John Biafore, Andrew Romano
  • Publication number: 20060177774
    Abstract: A process for imaging a photoresist comprising the steps of, a) forming a stack of multiple layers of organic antireflective coatings on a substrate; b) forming a coating of a photoresist over the upper layer of the stack of multiple layers of organic antireflective coatings; c) imagewise exposing the photoresist with an exposure equipment; and, d) developing the coating with a developer.
    Type: Application
    Filed: January 24, 2006
    Publication date: August 10, 2006
    Inventors: David Abdallah, Mark Neisser, Ralph Dammel, Georg Pawlowski, John Biafore, Andrew Romano, WooKyu Kim
  • Publication number: 20060110677
    Abstract: The present invention relates to a novel chemically amplified photoresist, which is sensitive to wavelengths between 300 nm and 100 nm, and comprises a) a novel polymer comprising a sulfone group pendant from a polymer backbone that is insoluble in an aqueous alkaline solution and comprises at least one acidic moiety protected with acid labile group, and b) a compound capable of producing an acid upon irradiation. The invention also relates to a process of imaging the novel positive photoresist composition.
    Type: Application
    Filed: November 22, 2004
    Publication date: May 25, 2006
    Inventors: Francis Houlihan, Ralph Dammel, Andrew Romano, Munirathna Padmanaban, M. Rahman
  • Publication number: 20060088788
    Abstract: The present invention relates to an aqueous coating composition for coating a photoresist pattern comprising a polymer containing amino group. The present invention also relates to a process for manufacturing a microelectronic device comprising providing a substrate with a photoresist pattern, coating the photoresist pattern with the novel coating material reacting a portion of the coating material in contact with the photoresist pattern, and removing a portion of the coating material which is not reacted with a removal solution.
    Type: Application
    Filed: October 26, 2004
    Publication date: April 27, 2006
    Inventors: Takanori Kudo, Munirathna Padmanaban, Ralph Dammel
  • Publication number: 20060063105
    Abstract: The present invention relates to novel negative-working, photoimageable, and aqueous developable antireflective coating compositions and their use in image processing by forming a thin layer of the novel antireflective coating composition between a reflective substrate and a photoresist coating. The negative bottom photoimageable antireflective coating composition is capable of being developed in an alkaline developer and is coated below a negative photoresist.
    Type: Application
    Filed: October 27, 2005
    Publication date: March 23, 2006
    Inventors: Joseph Oberlander, Ralph Dammel, Shuji Ding-Lee, Mark Neisser, Medhat Toukhy
  • Publication number: 20050282093
    Abstract: The present invention relates to an aqueous based edge bead remover.
    Type: Application
    Filed: June 16, 2004
    Publication date: December 22, 2005
    Inventors: Ralph Dammel, Stephen Meyer, Mark Spak
  • Publication number: 20050202340
    Abstract: The present invention relates to a process for imaging deep ultraviolet (uv) photoresists with a topcoat using deep uv immersion lithography. The invention further relates to a topcoat composition comprising a polymer with at least one ionizable group having a pKa ranging from about ?9 to about 11. The invention also relates to a process for imaging a photoresist with a top barrier coat to prevent contamination of the photoresist from environmental contaminants.
    Type: Application
    Filed: January 27, 2005
    Publication date: September 15, 2005
    Inventors: Francis Houlihan, Ralph Dammel, Andrew Romano, Raj Sakamuri
  • Publication number: 20050202347
    Abstract: The present invention relates to a process for imaging deep ultraviolet (uv) photoresists with a topcoat using deep uv immersion lithography. The invention further relates to a topcoat composition comprising a polymer with at least one ionizable group having a pKa ranging from about ?9 to about 11. The invention also relates to a process for imaging a photoresist with a top barrier coat to prevent contamination of the photoresist from environmental contaminants.
    Type: Application
    Filed: June 24, 2004
    Publication date: September 15, 2005
    Inventors: Francis Houlihan, Ralph Dammel, Andrew Romano, Raj Sakamuri
  • Publication number: 20050202351
    Abstract: The present invention relates to a process for imaging deep ultraviolet (uv) photoresists with a topcoat using deep uv immersion lithography. The invention further relates to a topcoat composition comprising a polymer with at least one ionizable group having a pKa ranging from about ?9 to about 11.
    Type: Application
    Filed: March 9, 2004
    Publication date: September 15, 2005
    Inventors: Francis Houlihan, Ralph Dammel, Andrew Romano, Raj Sakamuri
  • Publication number: 20050170279
    Abstract: A photoresist that is suitable for use in 157 nm photolithography includes a polymer based on fluorinated norbornene derivatives.
    Type: Application
    Filed: October 28, 2004
    Publication date: August 4, 2005
    Inventors: Christoph Hohle, Ralph Dammel, Michael Houlihan
  • Publication number: 20050147915
    Abstract: The present invention relates to a photosensitive composition useful at wavelengths between 300 nm and 10 nm which comprises a polymer containing a substituted or unsubstituted higher adamantane.
    Type: Application
    Filed: December 29, 2003
    Publication date: July 7, 2005
    Inventor: Ralph Dammel
  • Patent number: 6063545
    Abstract: A negative-working radiation-sensitive mixture containinga) a compound which generates a strong acid under the action of actinic radiation,b) a compound having at least two groups crosslinkable by means of acid andc) a polymeric binder which is insoluble in water and soluble or at least swellable in aqueous alkaline solutions,wherein the compound (a) comprises a di-, tri- or tetra-hydroxybenzene which may be further substituted, or a polymer containing a di-, tri-, or tetra- hydroxy phenyl radical, is esterified with respectively 2, 3 or 4 sulfonic acids of the formula R--SO.sub.3 H, and is distinguished by high resolution and high sensitivity over a wide spectral range. It also shows high thermal stability and does not form any corrosive photolysis products on exposure. A radiation-sensitive recording material produced with this mixture is suitable for the production of photoresists, electronic components, printing plates or for chemical milling.
    Type: Grant
    Filed: April 20, 1992
    Date of Patent: May 16, 2000
    Assignee: Clariant GmbH
    Inventors: Horst Roeschert, Juergen Fuchs, Walter Spiess, Charlotte Eckes, Georg Pawlowski, Ralph Dammel