Patents by Inventor M. Dalil Rahman

M. Dalil Rahman 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: 20140038109
    Abstract: The invention relates to an antireflective coating composition comprising a crosslinkable polymer, where the crosslinkable polymer comprises at least one unit of fused aromatic moiety, at least one unit with a phenylene moiety in the backbone of the polymer, and at least one hydroxybiphenyl unit, furthermore where the polymer comprises a crosslinking moiety of structure (4), where R3, R?3 and R??3 are independently hydrogen or a C1-C4alkyl. The invention further relates to a process for forming an image using the composition.
    Type: Application
    Filed: August 1, 2012
    Publication date: February 6, 2014
    Applicant: AZ ELECTRONIC MATERIALS (LUXEMBOURG) S.A.R.L.
    Inventors: M. Dalil RAHMAN, Clement ANYADIEGWU, Douglas MCKENZIE, JoonYeon CHO
  • Patent number: 8486609
    Abstract: The invention relates to an antireflective coating composition comprising a crosslinker and a crosslinkable polymer capable of being crosslinked by the crosslinker, where the crosslinkable polymer comprises a unit represented by structure (1): A-Bn??(1) where A is a fused aromatic ring and B has a structure (2), where R1 is C1-C4alkyl and R2 is C1-C4alkyl. The invention further relates to a process for forming an image using the composition.
    Type: Grant
    Filed: December 23, 2009
    Date of Patent: July 16, 2013
    Assignee: AZ Electronic Materials USA Corp.
    Inventors: M. Dalil Rahman, Douglas McKenzie, Huirong Yao, JoonYeon Cho, Yi Yl, Guanyang Lin
  • Publication number: 20120251956
    Abstract: The invention relates to an antireflective coating composition comprising a crosslinker and a crosslinkable polymer capable of being crosslinked by the crosslinker, where the crosslinkable polymer comprises a unit represented by structure (1): [-A-B-C-]??(1) where A is a fused aromatic ring, B has a structure (2), and C is a hydroxybiphenyl of structure (3) where R1 is C1-C4alkyl and R2 is C1-C4alkyl. The invention further relates to a process for forming an image using the composition.
    Type: Application
    Filed: January 17, 2012
    Publication date: October 4, 2012
    Applicant: AZ ELECTRONIC MATERIALS USA CORP.
    Inventors: M. Dalil RAHMAN, Douglas MCKENZIE, Jianhui SHAN, JoonYeon CHO, Salem K. MULLEN, Clement ANYADIEGWU
  • Publication number: 20120251943
    Abstract: The invention relates to an antireflective coating composition comprising a crosslinker and a crosslinkable polymer capable of being crosslinked by the crosslinker, where the crosslinkable polymer comprises a unit represented by structure (1): ?A-B—C???(1) where A is a fused aromatic ring, B has a structure (2), and C is a hydroxybiphenyl of structure (3) where R1 is C1-C4alkyl and R2 is C1-C4alkyl. The invention further relates to a process for forming an image using the composition.
    Type: Application
    Filed: March 30, 2011
    Publication date: October 4, 2012
    Inventors: M. Dalil Rahman, Douglas McKenzie, Jianhui Shan, Joon Yeon Cho, Salem K. Mullen
  • Patent number: 8017296
    Abstract: The present invention relates to an organic spin coatable antireflective coating composition comprising a polymer comprising at least one unit with 3 or more fused aromatic rings in the backbone of the polymer and at least one unit with an aliphatic moeity in the backbone of the polymer. The invention further relates to a process for imaging the present composition.
    Type: Grant
    Filed: October 16, 2007
    Date of Patent: September 13, 2011
    Assignee: AZ Electronic Materials USA Corp.
    Inventors: Francis Houlihan, David Abdallah, M. Dalil Rahman, Douglas McKenzie, Ruzhi Zhang, Allen G. Timko, WooKyu Kim, Ping-Hung Lu
  • Patent number: 7989144
    Abstract: The present invention relates to an antireflective composition comprising a thermal acid generator and an epoxy polymer comprising at least one unit of structure 1, at least one unit of structure 2, where, R1 to R12 are independently selected from hydrogen and C1-C4 alkyl, structure 1 has a configuration selected from cis, trans or mixture thereof, and x and y are the mole % of the monomeric units in the polymer. The invention also relates to a process for manufacturing a microelectronic device.
    Type: Grant
    Filed: April 1, 2008
    Date of Patent: August 2, 2011
    Assignee: AZ Electronic Materials USA Corp
    Inventors: M. Dalil Rahman, David Abdallah, Rhuzi Zhang, Douglas McKenzie
  • Publication number: 20110151376
    Abstract: The invention relates to an antireflective coating composition comprising a crosslinker and a crosslinkable polymer capable of being crosslinked by the crosslinker, where the crosslinkable polymer comprises a unit represented by structure (1): ?A-B?n??(1) where A is a fused aromatic ring and B has a structure (2), where R1 is C1-C4alkyl and R2 is C1-C4alkyl The invention further relates to a process for forming an image using the composition.
    Type: Application
    Filed: December 23, 2009
    Publication date: June 23, 2011
    Inventors: M. Dalil Rahman, Douglas McKenzie, Huirong Yao, JoonYeon Cho, Yi Yi, Guanyang Lin
  • Patent number: 7932018
    Abstract: The invention relates to an antireflective coating composition comprising a polymer, a crosslinker and a thermal acid generator, where the polymer comprises at least one unit of structure (1), at least one unit of structure (2) and at least one structure of structure (3), where R1 to R9 is independently selected from H and C1-C6 alkyl, R? and R? is independently selected from H and C1-C6 alkyl, X is C1-C6 alkylene, Y is C1-C6 alkylene. The invention further relates to a process for imaging a photoresist coated over the antireflective coating composition.
    Type: Grant
    Filed: May 6, 2008
    Date of Patent: April 26, 2011
    Assignee: AZ Electronic Materials USA Corp.
    Inventors: Douglas McKenzie, David Abdallah, Allen G. Timko, M. Dalil Rahman
  • Publication number: 20100316949
    Abstract: The present invention relates to an organic spin on hard mask antireflective coating composition comprising a polymer comprising at least one unit of fused aromatic rings in the backbone of the polymer and at least one unit with a cycloaliphatic moiety in the backbone of the polymer. The invention further relates to a process for making the polymer and a process for imaging the present composition.
    Type: Application
    Filed: June 10, 2009
    Publication date: December 16, 2010
    Inventors: M. Dalil Rahman, Douglas McKenzie, Guanyang Lin, Jianhui Shan, Ruzhi Zhang, Mark Neisser
  • Patent number: 7833693
    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: Grant
    Filed: December 10, 2008
    Date of Patent: November 16, 2010
    Inventors: M. Dalil Rahman, Francis M. Houlihan, Munirathna Padmanaban, SangHo Lee, Ralph R. Dammel, David Rentkiewicz, Clement Anyadiegwu
  • Publication number: 20100151392
    Abstract: The present invention relates to an organic spin coatable antireflective coating composition comprising a polymer, a linking component, a crosslinker, and an acid generator. The invention further relates to a process for imaging the present composition.
    Type: Application
    Filed: December 11, 2008
    Publication date: June 17, 2010
    Inventors: M. Dalil Rahman, Yi Yi, Douglas McKenzie, Clement Anyadiegwu, Ping-Hung Lu
  • Publication number: 20100119979
    Abstract: The present invention relates to an organic spin coatable antireflective coating composition comprising with (i) at least one unit with fused aromatic rings in the backbone of the polymer of structure (1), (ii) at least one aromatic unit ring in the backbone of the polymer of structure (2) where the aromatic ring has a pendant alkylene(fusedaromatic) group and a pendant hydroxy group, and, (iii) at least one unit with an aliphatic moiety in the backbone of the polymer of structure (3). where, Fr1 is a substituted or unsubstituted fused aromatic ring moiety with 3 or more fused aromatic rings, Fr2 is a fused aromatic ring moiety with 2 or more fused aromatic rings, Ar is a substituted or unsubstituted aromatic ring moiety, R? and R? are independently selected from hydrogen and C1-C4 alkyl, y=1-4, and B is a substituted or unsubstituted aliphatic moiety, and R1 is selected from hydrogen or aromatic moiety. The invention further relates to a process for imaging the present composition.
    Type: Application
    Filed: November 13, 2008
    Publication date: May 13, 2010
    Inventors: M. Dalil Rahman, Douglas McKenzie, Clement Anyadiegwu
  • Publication number: 20100119980
    Abstract: The present invention relates to an organic spin coatable antireflective coating composition comprising a polymer where the polymer comprises (i) at least one unit with fused aromatic rings in the backbone of the polymer of structure (1), (ii) at least one unit with of structure (2), and, (iii) at least one unit with a cyclic aliphatic moiety in the backbone of the polymer of structure (3). where, Fr1 is a substituted or unsubstituted fused aromatic ring moiety with 3 or more aromatic rings, R? and R? are independently selected from hydrogen, C1-C4 alkyl, Z, C1-C4alkyleneZ and where Z is substituted or unsubstituted aromatic moiety, R1 is selected from hydrogen or aromatic moiety, and B is a substituted or unsubstituted cycloaliphatic moiety. The invention further relates to a process for imaging the present composition.
    Type: Application
    Filed: November 13, 2008
    Publication date: May 13, 2010
    Inventors: M. Dalil Rahman, Douglas McKenzie, Clement Anyadeigwu
  • Patent number: 7678528
    Abstract: The present invention relates to novel photoacid generators.
    Type: Grant
    Filed: February 16, 2006
    Date of Patent: March 16, 2010
    Assignee: AZ Electronic Materials USA Corp.
    Inventors: M. Dalil Rahman, Munirathna Padmanaban
  • Patent number: 7666575
    Abstract: The present invention relates to an antireflective coating composition comprising, (i) a thermal acid generator; (ii) a crosslinkable polymer comprising at least one aromatic group; and, (iii) a polymeric crosslinker comprising at least one unit of structure (6), where R11 to R13 is independently selected from H, (C1-C6) alkyl and aromatic group, R14 and R15 are independently (C1-C10) alkyl. The invention also relates to a process for imaging the antireflective coating composition of the present invention.
    Type: Grant
    Filed: October 18, 2006
    Date of Patent: February 23, 2010
    Assignee: AZ Electronic Materials USA Corp
    Inventors: Woo-Kyu Kim, Hengpeng Wu, David Abdallah, Mark Neisser, PingHung Lu, Ruzhi Zhang, M. Dalil Rahman
  • Publication number: 20090280435
    Abstract: The invention relates to an antireflective coating composition comprising a polymer, a crosslinker and a thermal acid generator, where the polymer comprises at least one unit of structure (1), at least one unit of structure (2) and at least one structure of structure (3), where R1 to R9 is independently selected from H and C1-C6 alkyl, R? and R? is independently selected from H and C1-C6 alkyl, X is C1-C6 alkylene, Y is C1-C6 alkylene. The invention further relates to a process for imaging a photoresist coated over the antireflective coating composition.
    Type: Application
    Filed: May 6, 2008
    Publication date: November 12, 2009
    Inventors: Douglas McKenzie, David Abdallah, Allen G. Timko, M. Dalil Rahman
  • Patent number: 7601480
    Abstract: The present application relates to a compound of formula where X is selected from the group CF3SO3, C4F9SO3, N(SO2C2F5)2, N(SO2CF3SO2C4F9), N(SO2C3F7)2, N(SO2C4F9)2, CF3CHFO(CF2)2SO3, and CH3CH2CH2O(CF2)4SO3. A photoresist composition comprising a polymer containing an acid labile group, the above compounds, and one or more additional photoacid generators is also provided for.
    Type: Grant
    Filed: December 20, 2006
    Date of Patent: October 13, 2009
    Assignee: AZ Electronic Materials USA Corp.
    Inventors: M. Dalil Rahman, Takanori Kudo
  • Publication number: 20090246691
    Abstract: The present invention relates to an antireflective composition comprising a thermal acid generator and an epoxy polymer comprising at least one unit of structure 1, at least one unit of structure 2. where, R1 to R12 are independently selected from hydrogen and C1-C4 alkyl, structure. 1 has a configuration selected from cis, trans or mixture thereof, and x and y are the mole % of the monomeric units in the polymer. The invention also relates to a process for manufacturing a microelectronic device.
    Type: Application
    Filed: April 1, 2008
    Publication date: October 1, 2009
    Inventors: M. Dalil Rahman, David Abdallah, Rhuzi Zhang, Douglas McKenzie
  • Patent number: 7547501
    Abstract: The present application relates to photoactive materials having the formula wherein C1+ is a cation; each of R30, R31, R32, R33, R34, R35, R36, R37, R38, R39, R40, and R41 are selected from hydrogen, alkyl, alkyl chain optionally containing one or more O atoms, halide, aryl, aralkyl, alkoxyalkyl, cycloalkyl, hydroxyl, and alkoxy, the alkyl, alkyl chain optionally containing one or more O atoms, aryl, aralkyl, alkoxyalkyl, cycloalkyl, and alkoxy groups being unsubstituted or substituted.
    Type: Grant
    Filed: October 5, 2006
    Date of Patent: June 16, 2009
    Assignee: AZ Electronic Materials USA Corp.
    Inventors: Ralph R. Dammel, M. Dalil Rahman, David L. Rentkiewicz, Karl van Werden
  • Patent number: 7537879
    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: Grant
    Filed: November 22, 2004
    Date of Patent: May 26, 2009
    Assignee: AZ Electronic Materials USA Corp.
    Inventors: Francis M. Houlihan, Ralph R. Dammel, Andrew R. Romano, Munirathna Padmanaban, M. Dalil Rahman