Patents by Inventor Shuji Ding-Lee

Shuji Ding-Lee 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: 7691556
    Abstract: The present invention relates to a coating solution comprising a polymer obtained by reacting a glycoluril compound with at least one reactive compound containing at least one hydroxy group and/or at least one acid group, and further where the polymer is soluble in an organic solvent. The invention also relates to a process for imaging a photoresist coated over such a coating composition and to a polymer for the coating composition.
    Type: Grant
    Filed: June 22, 2005
    Date of Patent: April 6, 2010
    Assignee: AZ Electronic Materials USA Corp.
    Inventors: Hengpeng Wu, Shuji Ding-Lee, Zhong Xiang, Aritaka Hishida, Jianhui Shan, Hong Zhuang
  • Publication number: 20080090184
    Abstract: The present invention relates to a positive bottom photoimageable antireflective coating composition which is capable of being developed in an aqueous alkaline developer, wherein the antireflective coating composition comprises a polymer comprising at least one recurring unit with a chromophore group and one recurring unit with a hydroxyl and/or a carboxyl group, a vinyl ether terminated crosslinking agent, and optionally, a photoacid generator and/or an acid and/or a thermal acid generator. The invention further relates to a process for using such a composition.
    Type: Application
    Filed: October 24, 2007
    Publication date: April 17, 2008
    Inventors: Yu Sui, Hengpeng Wu, Wenbing Kang, Mark Neisser, Tomohide Katayama, Shuji Ding-Lee, Aritaka Hishida, Joseph Oberlander, Medhat Toukhy
  • Publication number: 20080038666
    Abstract: The present invention relates to a positive bottom photoimageable antireflective coating composition which is capable of being developed in an aqueous alkaline developer, wherein the antireflective coating composition comprises a polymer comprising at least one recurring unit with a chromophore group and one recurring unit with a hydroxyl and/or a carboxyl group, a vinyl ether terminated crosslinking agent, and optionally, a photoacid generator and/or an acid and/or a thermal acid generator. The invention further relates to a process for using such a composition.
    Type: Application
    Filed: October 22, 2007
    Publication date: February 14, 2008
    Inventors: Hengpeng Wu, Mark Neisser, Shuji Ding-Lee, Aritaka Hishida, Joseph Oberlander, Medhat Toukhy
  • Patent number: 7264913
    Abstract: The present invention relates to a novel antireflective coating composition comprising a polymer, a crosslinking agent and an acid generator. The present invention further relates to a process for using the novel composition, particularly at 193 nm. The polymer of the present invention contains at least one unit selected from structures 1, 2 and 3, where, Y is a hydrocarbyl linking group of 1 to about 10 carbon atoms, R, R1, R? and R? are independently hydrogen, hydrocarbyl group of 1 to about 10 carbon atoms, halogen, —O(CO)Z, —C(CF3)2Z, —C(CF3)2(CO)OZ, —SO2CF3, —(CO)OZ, —SO3Z, —COZ, —OZ, —NZ2, —SZ, —SO2Z, —NHCOZ, —NZCOZ or —SO2NZ2, where Z is H or a hydrocarbyl group of 1 to about 10 carbon atoms, n=1–4, X is O, CO, S, COO, CH2O, CH2COO, SO2, NH, NL, OWO, OW, W, and where L and W are independently hydrocarbyl groups of 1 to about 10 carbon atoms, and m=0–3.
    Type: Grant
    Filed: November 21, 2002
    Date of Patent: September 4, 2007
    Assignee: AZ Electronic Materials USA Corp.
    Inventors: Hengpeng Wu, Shuji Ding-Lee, Zhong Xiang, Joseph E. Oberlander, Mark O. Neisser, Eleazar Gonzalez, Jainhui Shan
  • Publication number: 20070020557
    Abstract: The present invention relates to bottom antireflective coating compositions, polymers useful in making such compositions, and their use in image processing by forming a thin layer between a reflective substrate and a photoresist coating.
    Type: Application
    Filed: July 19, 2005
    Publication date: January 25, 2007
    Inventors: Huirong Yao, Shuji Ding-Lee
  • Publication number: 20060199103
    Abstract: Disclosed is a process for forming an image on a substrate, comprising the steps of: (a) coating on the substrate a first layer of a radiation sensitive, antireflective composition; (b) coating a second layer of a photoresist composition onto the first layer of the antireflective composition; (c) selectively exposing the coated substrate from step (b) to actinic radiation; and (d) developing the exposed coated substrate from step (c) to form an image; wherein both the photoresist composition and the antireflective composition are exposed in step (c); both are developed in step (d) using a single developer; wherein the antireflective composition of step (a) is a first minimum bottom antireflective coating (B.A.R.C.) composition, having a solids content of up to about 8% solids, and a maximum coating thickness of the coated substrate of ?/2n wherein ? is the wavelength of the actinic radiation of step (c) and n is the refractive index of the B.A.R.C. composition.
    Type: Application
    Filed: May 2, 2006
    Publication date: September 7, 2006
    Inventors: Mark Neisser, Joseph Oberlander, Medhat Toukhy, Raj Sakamuri, Shuji Ding-Lee
  • Patent number: 7070914
    Abstract: Disclosed is a process for forming an image on a substrate, comprising the steps of: (a) coating on the substrate a first layer of a radiation sensitive, antireflective composition; (b) coating a second layer of a photoresist composition onto the first layer of the antireflective composition; (c) selectively exposing the coated substrate from step (b) to actinic radiation; and (d) developing the exposed coated substrate from step (c) to form an image; wherein both the photoresist composition and the antireflective composition are exposed in step (c); both are developed in step (d) using a single developer; wherein the antireflective composition of step (a) is a first minimum bottom antireflective coating (B.A.R.C.) composition, having a solids content of up to about 8% solids, and a maximum coating thickness of the coated substrate of ? 2 ? n wherein ? is the wavelength of the actinic radiation of step (c) and n is the refractive index of the B.A.R.C. composition.
    Type: Grant
    Filed: January 9, 2002
    Date of Patent: July 4, 2006
    Assignee: AZ Electronic Materials USA Corp.
    Inventors: Mark O. Neisser, Joseph E. Oberlander, Medhat A. Toukhy, Raj Sakamuri, Shuji Ding-Lee
  • Patent number: 7030201
    Abstract: The present invention relates to bottom antireflective coating compositions and polymers useful in making such compositions.
    Type: Grant
    Filed: November 26, 2003
    Date of Patent: April 18, 2006
    Assignee: AZ Electronic Materials USA Corp.
    Inventors: Huirong Yao, Shuji Ding-Lee, Hengpeng Wu, Zhong Xiang
  • 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: 20060057501
    Abstract: The present invention relates to a coating solution comprising a polymer obtained by reacting a glycoluril compound with a reactive compound containing hydroxy groups and/or acid groups, and further where the polymer is soluble in an organic solvent. The invention also relates to a process for imaging a photoresist coated over such a coating composition and to a polymer for the coating composition.
    Type: Application
    Filed: September 15, 2004
    Publication date: March 16, 2006
    Inventors: Hengpeng Wu, Shuji Ding-Lee, Zhong Xiang, Aritaka Hishida, Jianhui Shan
  • Publication number: 20060058468
    Abstract: The present invention relates to a coating solution comprising a polymer obtained by reacting a glycoluril compound with at least one reactive compound containing at least one hydroxy group and/or at least one acid group, and further where the polymer is soluble in an organic solvent. The invention also relates to a process for imaging a photoresist coated over such a coating composition and to a polymer for the coating composition.
    Type: Application
    Filed: June 22, 2005
    Publication date: March 16, 2006
    Inventors: Hengpeng Wu, Shuji Ding-Lee, Zhong Xiang, Aritaka Hishida, Jianhui Shan, Hong Zhuang
  • Patent number: 7008476
    Abstract: Modified alginic acid or alginic acid derivatives and anti-reflective coatings based on thereon are described.
    Type: Grant
    Filed: June 11, 2003
    Date of Patent: March 7, 2006
    Assignee: AZ Electronic Materials USA Corp.
    Inventors: Hengpeng Wu, Zhong Xhiang, Shuji Ding-Lee, Jianhui Shan, Eleazar B. Gonzalez
  • Publication number: 20050234201
    Abstract: The present invention relates to a process for making a polyester where a dianhydride is reacted with a diol. The resulting polyester can be further reacted with a compound selected from aromatic oxides, aliphatic oxides, alkylene carbonates, alcohols, and mixtures thereof.
    Type: Application
    Filed: April 5, 2004
    Publication date: October 20, 2005
    Inventors: Hengpeng Wu, Jianhui Shan, Shuji Ding-Lee, Zhong Xhiang, Eleazor Gonzalez, Mark Neisser
  • Publication number: 20050214674
    Abstract: The present invention relates to a positive bottom photoimageable antireflective coating composition which is capable of being developed in an aqueous alkaline developer, wherein the antireflective coating composition comprises a polymer comprising at least one recurring unit with a chromophore group and one recurring unit with a hydroxyl and/or a carboxyl group, a vinyl ether terminated crosslinking agent, and optionally, a photoacid generator and/or an acid and/or a thermal acid generator. The invention further relates to a process for using such a composition.
    Type: Application
    Filed: March 25, 2004
    Publication date: September 29, 2005
    Inventors: Yu Sui, Hengpeng Wu, Wenbing Kang, Mark Neisser, Tomohide Katayama, Shuji Ding-Lee, Aritaka Hishida, Joseph Oberlander, Medhat Toukhy
  • Publication number: 20050112494
    Abstract: The present invention relates to bottom antireflective coating compositions and polymers useful in making such compositions.
    Type: Application
    Filed: November 26, 2003
    Publication date: May 26, 2005
    Inventors: Huirong Yao, Shuji Ding-Lee, Hengpeng Wu, Zhong Xiang
  • Patent number: 6844131
    Abstract: The present invention relates to a novel absorbing, photoimageable and aqueous developable positive-working antireflective coating composition comprising a photoacid generator and a polymer comprising at least one unit with an acid labile group and at least one unit with an absorbing chromophore. The invention further relates to a process for using such a composition. The present invention also relates to a novel absorbing, photoimageable and aqueous alkali developable positive-working antireflective coating composition comprising a polymer comprising at least one unit with an acid labile group, a dye and a photoacid generator. The invention further relates to a process for using such a composition. The invention also relates to a novel process for forming a positive image with a positive photoresist and a novel photoimageable and aqueous developable positive-working antireflective coating composition, where the antireflective coating comprises a polymer comprising an acid labile group.
    Type: Grant
    Filed: January 9, 2002
    Date of Patent: January 18, 2005
    Assignee: Clariant Finance (BVI) Limited
    Inventors: Joseph E. Oberlander, Ralph R. Dammel, Shuji Ding-Lee, Mark O. Neisser, Medhat A. Toukhy
  • Publication number: 20040253532
    Abstract: Modified alginic acid or alginic acid derivatives and anti-reflective coatings based on thereon are described.
    Type: Application
    Filed: June 11, 2003
    Publication date: December 16, 2004
    Inventors: Hengpeng Wu, Zhong Xhiang, Shuji Ding-Lee, Jianhui Shan, Eleazar B. Gonzalez
  • Publication number: 20040101779
    Abstract: The present invention relates to a novel antireflective coating composition comprising a polymer, a crosslinking agent and an acid generator. The present invention further relates to a process for using the novel composition, particularly at 193 nm.
    Type: Application
    Filed: November 21, 2002
    Publication date: May 27, 2004
    Inventors: Hengpeng Wu, Shuji Ding-Lee, Zhong Xiang, Joseph E. Oberlander, Mark O. Neisser, Eleazar Gonzalez, Jainhui Shan
  • Publication number: 20030215736
    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: December 18, 2002
    Publication date: November 20, 2003
    Inventors: Joseph E. Oberlander, Ralph R. Dammel, Shuji Ding-Lee, Mark O. Neisser, Medhat A. Toukhy
  • Publication number: 20030129547
    Abstract: Disclosed is a process for forming an image on a substrate, comprising the steps of: (a) coating on the substrate a first layer of a radiation sensitive, antireflective composition; (b) coating a second layer of a photoresist composition onto the first layer of the antireflective composition; (c) selectively exposing the coated substrate from step (b) to actinic radiation; and (d) developing the exposed coated substrate from step (c) to form an image; wherein both the photoresist composition and the antireflective composition are exposed in step (c); both are developed in step (d) using a single developer; wherein the antireflective composition of step (a) is a first minimum bottom antireflective coating (B.A.R.C.
    Type: Application
    Filed: January 9, 2002
    Publication date: July 10, 2003
    Inventors: Mark O. Neisser, Joseph E. Oberlander, Medhat A. Toukhy, Raj Sakamuri, Shuji Ding-Lee