Patents by Inventor Emad Aqad

Emad Aqad 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: 20170248844
    Abstract: A monomer has the structure wherein R is an organic group comprising a polymerizable carbon-carbon double bond or carbon-carbon triple bond; X and Y are independently at each occurrence hydrogen or a non-hydrogen substituent; EWG1 and EWG2 are independently at each occurrence an electron-withdrawing group; p is 0, 1, 2, 3, or 4; n is 1, 2, 3, or 4; and M+ is an organic cation. A polymer prepared from monomer is useful as a component of a photoresist composition.
    Type: Application
    Filed: April 18, 2016
    Publication date: August 31, 2017
    Inventors: Emad Aqad, James W. Thackeray, James F. Cameron
  • Patent number: 9720321
    Abstract: New lactone-containing photoacid generator compounds (“PAGs”) and photoresist compositions that comprise each PAG compounds are provided. These photoresist compositions are useful in the manufacture of electronic device.
    Type: Grant
    Filed: November 15, 2011
    Date of Patent: August 1, 2017
    Assignee: Rohm and Haas Electronic Materials LLC
    Inventors: Emad Aqad, Mingqi Li, Cheng-Bai Xu, Cong Liu
  • Publication number: 20170192353
    Abstract: A photoresist composition, including an acid-sensitive polymer and photoacid generator compound having Formula (I): wherein, EWG, Y, R, and M+ are the same as described in the specification.
    Type: Application
    Filed: December 22, 2016
    Publication date: July 6, 2017
    Inventors: Emad Aqad, William Williams, III, James F. Cameron
  • Publication number: 20170192352
    Abstract: A photoacid generator compound having Formula (I): wherein, EWG, Y, R, and M+ are the same as described in the specification.
    Type: Application
    Filed: December 22, 2016
    Publication date: July 6, 2017
    Inventors: William Williams, III, Emad Aqad, James F. Cameron
  • Patent number: 9671689
    Abstract: New photoacid generator compounds (“PAGs”) are provided that comprise a cholate moiety and photoresist compositions that comprise such PAG compounds.
    Type: Grant
    Filed: December 10, 2010
    Date of Patent: June 6, 2017
    Assignee: Rohm and Haas Electronic Materials LLC
    Inventors: Emad Aqad, Mingqi Li, Joseph Mattia, Cheng-Bai Xu
  • Patent number: 9601325
    Abstract: Aromatic resin polymers and compositions containing them are useful as underlayers in semiconductor manufacturing processes.
    Type: Grant
    Filed: June 17, 2015
    Date of Patent: March 21, 2017
    Assignees: Rohm and Haas Electronic Materials LLC, Rohm and Haas Electronic Materials Korea Ltd.
    Inventors: Emad Aqad, Mingqi Li, Shintaro Yamada, Sung Wook Cho
  • Patent number: 9507259
    Abstract: A photoresist composition comprises an acid-sensitive polymer, and a cyclic sulfonium compound having the formula: (Ra)1—(Ar)—S+(—CH2—)m·?O3S—(CRb2)n-(L)p-X wherein each Ra is independently a substituted or unsubstituted C1-30 alkyl group, C6-30 aryl group, C7-30 aralkyl group, or combination comprising at least one of the foregoing, Ar is a monocyclic, polycyclic, or fused polycyclic C6-30 aryl group, each Rb is independently H, F, a linear or branched C1-10 fluoroalkyl or a linear or branched heteroatom-containing C1-10 fluoroalkyl, L is a C1-30 linking group optionally comprising a heteroatom comprising O, S, N, F, or a combination comprising at least one of the foregoing heteroatoms, X is a substituted or unsubstituted, C5 or greater monocyclic, polycyclic or fused polycyclic cycloaliphatic group, optionally comprising a heteroatom comprising O, S, N, F, or a combination comprising at least one of the foregoing, and 1 is an integer of 0 to 4, m is an integer of 3 to 20, n is an integer of 0 to 4, and p
    Type: Grant
    Filed: May 29, 2012
    Date of Patent: November 29, 2016
    Assignee: ROHM AND HAAS ELECTRONIC MATERIALS LLC
    Inventors: Mingqi Li, Emad Aqad, Cong Liu, Ching-Lung Chen, Shintaro Yamada, Cheng-bai Xu, Joseph Mattia
  • Patent number: 9508549
    Abstract: Methods of forming an electronic device comprise: (a) providing a semiconductor substrate comprising a porous feature on a surface thereof; (b) applying a composition over the porous feature, wherein the composition comprises a polymer and a solvent, wherein the polymer comprises a repeat unit of the following general formula (I): wherein: Ar1, Ar2, Ar3 and Ar4 independently represent an optionally substituted divalent aromatic group; X1 and X2 independently represent a single bond, —O—, —C(O)—, —C(O)O—, —OC(O)—, —C(O)NR1—, —NR2C(O)—, —S—, —S(O)—, —SO2— or an optionally substituted C1-20 divalent hydrocarbon group, wherein R1 and R2 independently represent H or a C1-20 hydrocarbyl group; m is 0 or 1; n is 0 or 1; and o is 0 or 1; and (c) heating the composition; wherein the polymer is disposed in pores of the porous feature. The methods find particular applicability in the manufacture of semiconductor devices for forming low-k and ultra-low-k dielectric materials.
    Type: Grant
    Filed: December 17, 2015
    Date of Patent: November 29, 2016
    Assignees: Dow Global Technologies LLC, Rohm and Haas Electronic Materials LLC
    Inventors: Jong Keun Park, Phillip D. Hustad, Emad Aqad, Mingqi Li, Cheng-Bai Xu, Peter Trefonas, III, James W. Thackeray
  • Publication number: 20160185984
    Abstract: A composition comprising a polymer and a solvent, wherein the polymer comprises: a repeat unit of the following general formula (I): wherein: Ar1, Ar2, Ar3 and Ar4 independently represent an optionally substituted divalent aromatic group; X1 and X2 independently represent a single bond, —O—, —C(O)—, —C(O)O—, —OC(O)—, —C(O)NR1—, —NR2C(O)—, —S—, —S(O)—, —SO2— or an optionally substituted C1-20 divalent hydrocarbon group, wherein R1 and R2 independently represent H or a C1-20 hydrocarbyl group; m is 0 or 1; n is 0 or 1; and o is 0 or 1; and an endcapping group that is free of polymerizable vinyl groups and hydroxyl groups. The compositions find particular applicability in the manufacture of semiconductor devices for forming low-k and ultra-low-k dielectric materials.
    Type: Application
    Filed: December 17, 2015
    Publication date: June 30, 2016
    Inventors: Emad Aqad, Jong Keun Park, Phillip D. Hustad, Mingqi Li, Cheng-Bai Xu, Peter Trefonas, III, James W. Thackeray
  • Publication number: 20160189953
    Abstract: Methods of forming an electronic device comprise: (a) providing a semiconductor substrate comprising a porous feature on a surface thereof; (b) applying a composition over the porous feature, wherein the composition comprises a polymer and a solvent, wherein the polymer comprises a repeat unit of the following general formula (I): wherein: Ar1, Ar2, Ar3 and Ar4 independently represent an optionally substituted divalent aromatic group; X1 and X2 independently represent a single bond, —O—, —C(O)—, —C(O)O—, —OC(O)—, —C(O)NR1—, —NR2C(O)—, —S—, —S(O)—, —SO2— or an optionally substituted C1-20 divalent hydrocarbon group, wherein R1 and R2 independently represent H or a C1-20 hydrocarbyl group; m is 0 or 1; n is 0 or 1; and o is 0 or 1; and (c) heating the composition; wherein the polymer is disposed in pores of the porous feature. The methods find particular applicability in the manufacture of semiconductor devices for forming low-k and ultra-low-k dielectric materials.
    Type: Application
    Filed: December 17, 2015
    Publication date: June 30, 2016
    Inventors: Jong Keun Park, Phillip D. Hustad, Emad Aqad, Mingqi Li, Cheng-Bai Xu, Peter Trefonas, III, James W. Thackeray
  • Patent number: 9348220
    Abstract: New methods are provided for synthesis of photoacid generator compounds (“PAGs”), new photoacid generator compounds and photoresist compositions that comprise such PAG compounds. In a particular aspect, photoacid generators that comprise 1) a SO3? moiety; 2) one or more fluorinated carbons; and 3) one or more of the fluorinated carbons either directly or indirectly substituted by an ester keto group.
    Type: Grant
    Filed: March 31, 2011
    Date of Patent: May 24, 2016
    Assignee: Rohm and Haas Electronic Materials LLC
    Inventors: Emad Aqad, Mingqi Li, Cheng-Bai Xu, Cong Liu
  • Publication number: 20160124304
    Abstract: New methods are provided for synthesis of photoacid generator compounds (“PAGs”), new photoacid generator compounds and photoresist compositions that comprise such PAG compounds. In a particular aspect, sulfonium-containing (S+) photoacid generators and methods of synthesis of sulfonium photoacid generators are provided.
    Type: Application
    Filed: January 11, 2016
    Publication date: May 5, 2016
    Inventors: Mingqi Li, Emad Aqad, Cong Liu, Joseph Mattia, Cheng-Bai Xu, George G. Barclay
  • Patent number: 9256125
    Abstract: Acid generator compounds are provided that comprise an oxo-1,3-dioxolane moiety and/or an oxo-1,3-dioxane moiety. The acid generators are particularly useful as a photoresist composition component.
    Type: Grant
    Filed: March 30, 2013
    Date of Patent: February 9, 2016
    Assignee: Rohm and Haas Electronic Materials, LLC
    Inventors: Emad Aqad, Irvinder Kaur, Cong Liu, Cheng-Bai Xu
  • Patent number: 9255079
    Abstract: New methods are provided for synthesis of photoacid generator compounds (“PAGs”), new photoacid generator compounds and photoresist compositions that comprise such PAG compounds. In a particular aspect, sulfonium-containing (S+) photoacid generators and methods of synthesis of sulfonium photoacid generators are provided.
    Type: Grant
    Filed: December 10, 2010
    Date of Patent: February 9, 2016
    Assignee: Rohm and Haas Electronic Materials, LLC
    Inventors: Mingqi Li, Emad Aqad, Cong Liu, Joseph Mattia, Cheng-Bai Xu, George G. Barclay
  • Publication number: 20160016872
    Abstract: Polymeric reaction products of certain substituted tetraarylmethane monomers are useful as underlayers in semiconductor manufacturing processes.
    Type: Application
    Filed: July 7, 2015
    Publication date: January 21, 2016
    Inventors: Emad Aqad, Mingqi Li, Shintaro Yamada, Sung Wook Cho
  • Publication number: 20150368504
    Abstract: Aromatic resin polymers and compositions containing them are useful as underlayers in semiconductor manufacturing processes.
    Type: Application
    Filed: June 17, 2015
    Publication date: December 24, 2015
    Inventors: Emad Aqad, Mingqi Li, Shintaro Yamada, Sung Wook Cho
  • Patent number: 9156785
    Abstract: This invention relates to new photoacid generator compounds and photoresist compositions that comprise such compounds. In particular, the invention relates to photoacid generator compounds that comprise base-cleavable groups.
    Type: Grant
    Filed: November 15, 2011
    Date of Patent: October 13, 2015
    Assignee: Rohm and Haas Electronic Materials LLC
    Inventors: Emad Aqad, Mingqi Li, Cheng-Bai Xu, Deyan Wang, Cong Liu, Joon Seok Oh, Shintaro Yamada
  • Patent number: 9146470
    Abstract: A photoacid generator compound has the formula (I): [A-(CHR1)p]k-(L)-(CH2)m—(C(R2)2)nSO3?Z+??(I) wherein A is a substituted or unsubstituted, monocyclic, polycyclic, or fused polycyclic C5 or greater cycloaliphatic group optionally comprising O, S, N, F, or a combination comprising at least one of the foregoing, R1 is H, a single bond, or a substituted or unsubstituted C1-30 alkyl group, wherein when R1 is a single bond, R1 is covalently bonded to a carbon atom of A, each R2 is independently H, F, or C1-4 fluoroalkyl, wherein at least one R2 is not hydrogen, L is a linking group comprising a sulfonate group, a sulfonamide group, or a C1-30 sulfonate or sulfonamide-containing group, Z is an organic or inorganic cation, p is an integer of 0 to 10, k is 1 or 2, m is an integer of 0 or greater, and n is an integer of 1 or greater.
    Type: Grant
    Filed: November 4, 2014
    Date of Patent: September 29, 2015
    Assignee: ROHM AND HAAS ELECTRONIC MATERIALS LLC
    Inventors: Emad Aqad, Cheng-Bai Xu, Mingqi Li, Shintaro Yamada, William Williams, III
  • Patent number: 9128372
    Abstract: Dendritic compounds are provided. The dendritic compounds include an anionic dendron that has a focal point having an anionic group and a linking group, and a photoreactive cation. The dendritic compounds find particular use as photoacid generators. Also provided are photoresist compositions that include such a dendritic compound, as well as methods of forming electronic devices with the photoresist compositions. The dendritic compounds, photoresist compositions and methods find particular applicability in the manufacture of semiconductor devices.
    Type: Grant
    Filed: December 31, 2013
    Date of Patent: September 8, 2015
    Inventors: Emad Aqad, Cheng-Bai Xu, Irvinder Kaur, Mingqi Li, Jibin Sun, Cecily Andes
  • Patent number: 9110369
    Abstract: A photoacid generator has the formula (I): wherein R1, R2, R3, L1, L2, L3 X, Z+, a, b, c, d, p, q, and r, are defined herein. A photoresist comprises the photoacid generator, and a coated article comprises the photoresist. The photoresist can be used to form an electronic device.
    Type: Grant
    Filed: June 25, 2013
    Date of Patent: August 18, 2015
    Assignee: ROHM AND HAAS ELECTRONIC MATERIALS LLC
    Inventors: Emad Aqad, Irvinder Kaur, Cong Liu, Cheng-bai Xu, Mingqi Li, Gregory P. Prokopowicz