Patents by Inventor David Abdallah
David Abdallah 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).
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Patent number: 8445181Abstract: The invention related to an antireflective coating comprising a mixture of a first polymer and a second polymer, and a thermal acid generator, where the first polymer comprises at least one fluoroalcohol moiety, at least one aliphatic hydroxyl moiety, and at least one acid moiety other than fluoroalcohol with a pKa in the range of about 8 to about 11; where the second polymer is a reaction product of an aminoplast compound with a compound comprising at least one hydroxyl and/or at least one acid group. The invention further relates to a process for using the novel composition to form an image.Type: GrantFiled: June 3, 2010Date of Patent: May 21, 2013Assignee: AZ Electronic Materials USA Corp.Inventors: Huirong Yao, Jain Yin, Guanyang Lin, Mark Neisser, David Abdallah
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Patent number: 8211621Abstract: The present invention discloses novel bottom anti-reflective coating compositions where a coating from the composition has an etch rate that can be regulated by the etch plate temperature.Type: GrantFiled: June 10, 2010Date of Patent: July 3, 2012Assignee: AZ Electronic Materials USA Corp.Inventors: David Abdallah, Francis Houlihan, Mark Neisser
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Patent number: 8088564Abstract: Base soluble polymer comprising at least one sulfonyl group where at least one carbon atom at ?-position and/or ?-position and/or ?-position with respect to the sulfonyl group has a hydroxyl group, where the hydroxyl group is protected or unprotected are described.Type: GrantFiled: November 3, 2008Date of Patent: January 3, 2012Assignee: AZ Electronic Materials USA Corp.Inventors: David Abdallah, Francis Houlihan
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Patent number: 8084186Abstract: The present invention relates to a process for forming an reverse tone image on a device comprising; a) forming an optional absorbing organic underlayer on a substrate; b) forming a coating of a photoresist over the underlayer; c) forming a photoresist pattern; d) forming a polysilazane coating over the photoresist pattern from a polysilazane coating composition, where the polysilazane coating is thicker than the photoresist pattern, and further where the polysilazane coating composition comprises a silicon/nitrogen polymer and an organic coating solvent; e) etching the polysilazane coating to remove the polysilazane coating at least up to a level of the top of the photoresist such that the photoresist pattern is revealed; and, f) dry etching to remove the photoresist and the underlayer which is beneath the photoresist, thereby forming an opening beneath where the photoresist pattern was present.Type: GrantFiled: February 10, 2009Date of Patent: December 27, 2011Assignee: AZ Electronic Materials USA Corp.Inventors: David Abdallah, Ralph R. Dammel, Yusuke Takano, Jin Li, Kazunori Kurosawa
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Publication number: 20110300488Abstract: The invention related to an antireflective coating comprising a mixture of a first polymer and a second polymer, and a thermal acid generator, where the first polymer comprises at least one fluoroalcohol moiety, at least one aliphatic hydroxyl moiety, and at least one acid moiety other than fluoroalcohol with a pKa in the range of about 8 to about 11; where the second polymer is a reaction product of an aminoplast compound with a compound comprising at least one hydroxyl and/or at least one acid group. The invention further relates to a process for using the novel composition to form an image.Type: ApplicationFiled: June 3, 2010Publication date: December 8, 2011Inventors: Huirong Yao, Jain Yin, Guanyang Lin, Mark Neisser, David Abdallah
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Patent number: 8026040Abstract: The present invention relates to a composition comprising: (a) a polymer having at least one repeating unit of formula where R1 is a non-hydrolysable group and n is an integer ranging from 1 to 3; and (b) a crosslinking catalyst. The composition is useful in forming low k dielectric constant materials and as well as hard mask and underlayer materials with anti-reflective properties for the photolithography industry.Type: GrantFiled: February 20, 2007Date of Patent: September 27, 2011Assignee: AZ Electronic Materials USA Corp.Inventors: Hengpeng Wu, WooKyu Kim, Hong Zhuang, PingHung Lu, Mark Neisser, David Abdallah, Ruzhi Zhang
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Patent number: 8017296Abstract: 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: GrantFiled: October 16, 2007Date of Patent: September 13, 2011Assignee: 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
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Patent number: 7989144Abstract: 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: GrantFiled: April 1, 2008Date of Patent: August 2, 2011Assignee: AZ Electronic Materials USA CorpInventors: M. Dalil Rahman, David Abdallah, Rhuzi Zhang, Douglas McKenzie
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Patent number: 7932018Abstract: 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: GrantFiled: May 6, 2008Date of Patent: April 26, 2011Assignee: AZ Electronic Materials USA Corp.Inventors: Douglas McKenzie, David Abdallah, Allen G. Timko, M. Dalil Rahman
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Publication number: 20100248137Abstract: The present invention discloses novel bottom anti-reflective coating compositions where a coating from the composition has an etch rate that can be regulated by the etch plate temperature.Type: ApplicationFiled: June 10, 2010Publication date: September 30, 2010Inventors: David Abdallah, Francis Houlihan, Mark Neisser
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Publication number: 20100203299Abstract: The present invention relates to a process for forming an reverse tone image on a device comprising; a) forming an optional absorbing organic underlayer on a substrate; b) forming a coating of a photoresist over the underlayer; c) forming a photoresist pattern; d) forming a polysilazane coating over the photoresist pattern from a polysilazane coating composition, where the polysilazane coating is thicker than the photoresist pattern, and further where the polysilazane coating composition comprises a silicon/nitrogen polymer and an organic coating solvent; e) etching the polysilazane coating to remove the polysilazane coating at least up to a level of the top of the photoresist such that the photoresist pattern is revealed; and, f) dry etching to remove the photoresist and the underlayer which is beneath the photoresist, thereby forming an opening beneath where the photoresist pattern was present.Type: ApplicationFiled: February 10, 2009Publication date: August 12, 2010Inventors: David Abdallah, Ralph R. Dammel, Yusuke Takano, Jin Li, Kazunori Kurosawa
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Patent number: 7759046Abstract: The present invention discloses novel bottom anti-reflective coating compositions where a coating from the composition has an etch rate that can be regulated by the etch plate temperature.Type: GrantFiled: December 20, 2006Date of Patent: July 20, 2010Assignee: AZ Electronic Materials USA Corp.Inventors: David Abdallah, Francis Houlihan, Mark Neisser
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Patent number: 7736837Abstract: The present invention relates to an antireflecting coating composition which is capable of forming a crosslinked coating underneath a layer of photoresist comprising a silicon polymer, where the silicon polymer comprises at least one unit with the structure 1, where, R1 is selected from C1-C4 alkyl. The invention also relates to a process for imaging this composition.Type: GrantFiled: February 20, 2007Date of Patent: June 15, 2010Assignee: AZ Electronic Materials USA Corp.Inventors: David Abdallah, Ruzhi Zhang
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Publication number: 20100093969Abstract: The present invention relates to process for making a siloxane polymer which comprises at least one Si—OH group and at least one Si—OR group, where R is a moiety other than hydrogen, comprising reacting one or more silane reactants together in the presence of a hydrolysis catalyst in either a water/alcohol mixture or in one or more alcohols to form the siloxane polymer; and separating the siloxane polymer from the water/alcohol mixture or the alcohol(s).Type: ApplicationFiled: February 25, 2008Publication date: April 15, 2010Inventors: Ruzhi Zhang, David Abdallah, PingHung Lu, Mark Neisser
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Patent number: 7666575Abstract: 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: GrantFiled: October 18, 2006Date of Patent: February 23, 2010Assignee: AZ Electronic Materials USA CorpInventors: Woo-Kyu Kim, Hengpeng Wu, David Abdallah, Mark Neisser, PingHung Lu, Ruzhi Zhang, M. Dalil Rahman
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Publication number: 20090280435Abstract: 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: ApplicationFiled: May 6, 2008Publication date: November 12, 2009Inventors: Douglas McKenzie, David Abdallah, Allen G. Timko, M. Dalil Rahman
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Publication number: 20090274974Abstract: Graded absorption silicon based antireflective coating compositions are described.Type: ApplicationFiled: April 30, 2008Publication date: November 5, 2009Inventors: David Abdallah, Ralph R. Dammel
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Publication number: 20090253081Abstract: A process for forming a photoresist pattern on a device, comprising; a) forming a layer of first photoresist on a substrate from a first photoresist composition; b) imagewise exposing the first photoresist; c) developing the first photoresist to form a first photoresist pattern; d) treating the first photoresist pattern with a hardening compound comprising at least 2 amino (NH2) groups, thereby forming a hardened first photoresist pattern; e) forming a second photoresist layer on the region of the substrate including the hardened first photoresist pattern from a second photoresist composition; f) flood exposing the second photoresist; and, g) developing the flood exposed second photoresist to form a photoresist pattern with increased dimensions and reduced spaces.Type: ApplicationFiled: April 2, 2008Publication date: October 8, 2009Inventors: David Abdallah, Ralph R. Dammel, Victor Monreal
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Publication number: 20090253080Abstract: A process for forming a photoresist pattern on a device, comprising; a) forming a layer of first photoresist on a substrate from a first photoresist composition; b) imagewise exposing the first photoresist; c) developing the first photoresist to form a first photoresist pattern; d) treating the first photoresist pattern with a hardening compound comprising at least 2 amino (NH2) groups, thereby forming a hardened first photoresist pattern; e) forming a second photoresist layer on the region of the substrate including the hardened first photoresist pattern from a second photoresist composition; f) imagewise exposing the second photoresist; and, g) developing the imagewise exposed second photoresist to form a second photoresist pattern between the first photoresist pattern, thereby providing a double photoresist pattern.Type: ApplicationFiled: April 2, 2008Publication date: October 8, 2009Inventors: Ralph R. Dammel, David Abdallah, Eric Alemy, Munirathna Padmanaban
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Publication number: 20090246691Abstract: 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: ApplicationFiled: April 1, 2008Publication date: October 1, 2009Inventors: M. Dalil Rahman, David Abdallah, Rhuzi Zhang, Douglas McKenzie