Patents Assigned to AZ Electronic Materials USA Corp.
  • Patent number: 7799513
    Abstract: The composition for preventing development-defects containing (1) an ammonium salt, a tetraalkylammonium salt or a C1 to C4 alkanolamine salt of C4 to C15 perfluoroalkylcarboxylic acid, C4 to C10 perfluoroalkylsulfonic acid and perfluoroadipic acid, or (2) a fluorinated alkyl quaternary ammonium salt of inorganic acid, wherein said surfactant is formed at the equivalent ratio of acid to base of 1:1-1:3 is applied on a chemically amplified photoresist coating on a substrate having a diameter of 8 inches or more. The chemically amplified photoresist coating is baked before and/or after applying the composition for preventing development-defects described above. Then, the baked coating with the development-defect preventing composition coating is exposed to light, post-exposure-baked, and developed.
    Type: Grant
    Filed: June 10, 2003
    Date of Patent: September 21, 2010
    Assignee: AZ Electronic Materials USA Corp.
    Inventors: Yasushi Akiyama, Yusuke Takano, Kiyohisa Takahashi, Sung-Eun Hong, Tetsuo Okayasu
  • Patent number: 7759046
    Abstract: 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: Grant
    Filed: December 20, 2006
    Date of Patent: July 20, 2010
    Assignee: AZ Electronic Materials USA Corp.
    Inventors: David Abdallah, Francis Houlihan, Mark Neisser
  • Patent number: 7754414
    Abstract: Antireflective coating compositions with reduced outgassing are disclosed.
    Type: Grant
    Filed: July 12, 2006
    Date of Patent: July 13, 2010
    Assignee: AZ Electronic Materials USA Corp.
    Inventor: Joseph E. Oberlander
  • Patent number: 7754003
    Abstract: The present invention provides a coating composition, which can simply produce a porous siliceous film having excellent mechanical strength and, at the same time, possessing a stable very low level of dielectric and good chemical resistance to various chemicals, and to provide a process for producing a siliceous material using the same. The coating composition according to the present invention comprises a polyalkylsilazane compound, an acetoxysilane compound, an organic solvent, and, if necessary, a pore forming material. The present invention also provides a siliceous material produced by firing the coating composition and a process for producing the same.
    Type: Grant
    Filed: August 4, 2004
    Date of Patent: July 13, 2010
    Assignee: AZ Electronic Materials USA Corp.
    Inventors: Tomoko Aoki, Hiroyuki Aoki
  • Patent number: 7745077
    Abstract: The present invention relates to an aqueous coating composition for coating a photoresist pattern, comprising a polymer comprising at least one unit with an alkylamino group, where the unit has a structure (1), where, R1 to R5 are independently selected from hydrogen and C1 to C6 alkyl, and W is C1 to C6 alkyl. The invention also relates to a process for imaging a photoresist layer using the present composition.
    Type: Grant
    Filed: June 18, 2008
    Date of Patent: June 29, 2010
    Assignee: AZ Electronic Materials USA Corp.
    Inventors: Muthiah Thiyagarajan, Yi Cao, Sung Eun Hong, Ralph R. Dammel
  • Patent number: 7736837
    Abstract: 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: Grant
    Filed: February 20, 2007
    Date of Patent: June 15, 2010
    Assignee: AZ Electronic Materials USA Corp.
    Inventors: David Abdallah, Ruzhi Zhang
  • Patent number: 7704670
    Abstract: High silicon-content resin composition that can be used to form thin film thermosets, useful in forming low k dielectric constant materials and as well as hard mask materials with anti-reflective properties for the photolithography industry are disclosed.
    Type: Grant
    Filed: June 22, 2006
    Date of Patent: April 27, 2010
    Assignee: AZ Electronic Materials USA Corp.
    Inventors: David J. Abdallah, Ruzhi Zhang
  • 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
  • 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
  • Patent number: 7651719
    Abstract: The instant invention relates to a process for the preparation of an aqueous suspension of anionic colloidal silica having a neutral pH which is stable over time and comprises individualized particles of colloidal silica which are not bound to one another by siloxane bonds. The instant suspensions show high storage stability and are particularly useful for the clarification of beer, for the preparation of cosmetic formulations, for the production of ink for printers, for paints and for anticorrosive treatments.
    Type: Grant
    Filed: October 16, 2007
    Date of Patent: January 26, 2010
    Assignee: AZ Electronic Materials USA Corp.
    Inventors: Eric Jacquinot, Marie-Laure Perard, Uwe Falk, Torsten Henning
  • Patent number: 7638262
    Abstract: The invention relates to an antireflective coating composition for a photoresist layer comprising a polymer, a crosslinking agent and an acid generator, where the polymer comprises at least one unit of structure 1, where, A is a nonaromatic linking moiety, R? and R? are independently selected from hydrogen, Z and W—OH, where Z is a (C1-C20) hydrocarbyl moiety and W is a (C1-C20) hydrocarbyl linking moiety, and, Y? is independently a (C1-C20) hydrocarbyl linking moiety. The invention further relates to a process for imaging the antireflective coating composition.
    Type: Grant
    Filed: August 10, 2006
    Date of Patent: December 29, 2009
    Assignee: AZ Electronic Materials USA Corp.
    Inventors: Hengpeng Wu, Zhong Xiang, Hong Zhuang, Jianhui Shan, Jian Yin, Huirong Yao, PingHung Lu
  • Patent number: 7629391
    Abstract: The instant invention relates to a process for the preparation of an aqueous suspension of anionic colloidal silica having a neutral pH which is stable over time and comprises individualized particles of colloidal silica which are not bound to one another by siloxane bonds. The instant suspensions show high storage stability and are particularly useful for the clarification of beer, for the preparation of cosmetic formulations, for the production of ink for printers, for paints and for anticorrosive treatments.
    Type: Grant
    Filed: January 8, 2002
    Date of Patent: December 8, 2009
    Assignee: AZ Electronic Materials USA Corp.
    Inventors: Eric Jacquinot, Marie-Laure Perard, Uwe Falk, Torsten Henning
  • 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
  • Patent number: 7601482
    Abstract: The present invention relates to a negative photoresist composition comprising, a) at least one alkali-soluble polymer, where the polymer comprises at least one unit of structure 1, where, R? is selected independently from hydrogen, (C1-C4)alkyl, chlorine, bromine and m is an integer from 1 to 4; b) at least one monomer of structure 1, where, W is a multivalent linking group, R1 to R6 are independently selected from hydrogen, hydroxyl, (C1-C20) alkyl and chlorine, X1 and X2 are independently oxygen or N—R7, where R7 is hydrogen or (C1-C20) alkyl, and n is and integer equal to or greater than 1, and c) at least one photoinitiator. The invention also relates to a process for imaging the negative photoresist composition.
    Type: Grant
    Filed: March 28, 2006
    Date of Patent: October 13, 2009
    Assignee: AZ Electronic Materials USA Corp.
    Inventors: Georg Pawlowski, Chunwei Chen, Joseph Oberlander, Robert Plass
  • Patent number: 7598320
    Abstract: A modified polyvinyl alcohol (PVA) protected with a protecting group of the present invention is one wherein an amount of high-molecular weight body components of the modified polyvinyl alcohol having a weight-average molecular weight of 250,000 or more as determined by polyethylene glycol standards according to a gel permeation chromatography is 1000 ppm or less in the modified polyvinyl alcohol. The modified PVA is prepared by removing a metal ion and an acid from the modified PVA such as acetalized PVA with ion exchange treatment and then heat-treating at 80° C. or higher. An auxiliary for fine pattern formation of the present invention comprises the aforementioned modified PVA, a water-soluble crosslinking agent, and water or a mixed solvent of water and a water-soluble organic solvent. The auxiliary for fine pattern formation is applied over a resist pattern 3 and a coated layer 4 is formed thereon.
    Type: Grant
    Filed: March 18, 2004
    Date of Patent: October 6, 2009
    Assignee: AZ Electronic Materials USA Corp.
    Inventors: Masato Nishikawa, Kiyohisa Takahashi
  • Patent number: 7595141
    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: Grant
    Filed: October 26, 2004
    Date of Patent: September 29, 2009
    Assignee: AZ Electronic Materials USA Corp.
    Inventors: Takanori Kudo, Munirathna Padmanaban, Ralph R. Dammel
  • Patent number: 7592132
    Abstract: In a method of effectively miniaturizing a resist pattern, a super fine pattern-forming method of restricting a film thickness of a crosslinked film and also preventing developing defects is provided using a super fine pattern-forming material which contains a solvent composed of a water-soluble resin, a water-soluble crosslinking agent, and water or a mixing solution of water and a water-soluble organic solvent, and an amine compound-containing developing solution. The amine compound-containing developing solution is preferably a primary amine compound such as polyallylamine, monomethanolamine, and monoethanolamine, a secondary amine compound such as dimethylamine, diethylamine, dimethanolamine, and diethanolamine, a tertiary amine compound such as trimethylamine, triethylamine, trimethanolamine, and triethanolamine, or a quartenary amine compound such as hydrated tetramethylamine.
    Type: Grant
    Filed: August 31, 2005
    Date of Patent: September 22, 2009
    Assignee: AZ Electronic Materials USA Corp.
    Inventors: Kiyohisa Takahashi, Yusuke Takano
  • Patent number: 7553905
    Abstract: Novel self-crosslinking polymers are provided and which are useful in antireflective coatings to reduce outgassing.
    Type: Grant
    Filed: October 31, 2005
    Date of Patent: June 30, 2009
    Assignee: AZ Electronic Materials USA Corp.
    Inventors: David J. Abdallah, Jian Yin, Mark O. Neisser
  • Patent number: 7550249
    Abstract: 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: Grant
    Filed: March 10, 2006
    Date of Patent: June 23, 2009
    Assignee: AZ Electronic Materials USA Corp.
    Inventors: David Abdallah, Francis Houlihan