Patents by Inventor Jin Amanokura

Jin Amanokura 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: 10796921
    Abstract: The CMP polishing liquid for polishing palladium of this invention comprises an organic solvent, 1,2,4-triazole, a phosphorus acid compound, an oxidizing agent and an abrasive. The substrate polishing method is a method for polishing a substrate with a polishing cloth while supplying a CMP polishing liquid between the substrate and the polishing cloth, wherein the substrate is a substrate with a palladium layer on the side facing the polishing cloth, and the CMP polishing liquid is a CMP polishing liquid comprising an organic solvent, 1,2,4-triazole, a phosphorus acid compound, an oxidizing agent and an abrasive.
    Type: Grant
    Filed: February 5, 2010
    Date of Patent: October 6, 2020
    Assignee: HITACHI CHEMICAL COMPANY, LTD.
    Inventors: Hisataka Minami, Ryouta Saisyo, Jin Amanokura, Yuuhei Okada, Hiroshi Ono
  • Patent number: 9799532
    Abstract: The CMP polishing liquid of the invention comprises a metal salt containing at least one type of metal selected from the group consisting of metals of Groups 8, 11, 12 and 13, 1,2,4-triazole, a phosphorus acid, an oxidizing agent and abrasive grains. The polishing method of the invention comprises a step of polishing at least a palladium layer with an abrasive cloth while supplying a CMP polishing liquid between the palladium layer of a substrate having the palladium layer and the abrasive cloth, wherein the CMP polishing liquid comprises a metal salt containing at least one type of metal selected from the group consisting of metals of Groups 8, 11, 12 and 13, 1,2,4-triazole, a phosphorus acid, an oxidizing agent and abrasive grains.
    Type: Grant
    Filed: January 4, 2011
    Date of Patent: October 24, 2017
    Assignee: HITACHI CHEMICAL COMPANY, LTD.
    Inventors: Hisataka Minami, Jin Amanokura, Sou Anzai
  • Patent number: 8821750
    Abstract: The present invention relates to a metal polishing slurry containing abrasive grains, a metal-oxide-dissolving agent, and water, wherein the abrasive grains contain two or more abrasive grain species different from each other in average secondary particle diameter. Using the metal polishing slurry of the present invention, a metal polishing slurry can be obtained which gives a large polishing rate of an interlayer dielectric layer, and is high in the flatness of the polished surface. This metal polishing slurry can provide suitable method for a semiconductor device which is excellent in being made finer and thinner and in dimension precision and in electric characteristics, is high in reliability, and can attain a decrease in costs.
    Type: Grant
    Filed: February 22, 2008
    Date of Patent: September 2, 2014
    Assignee: Hitachi Chemical Co., Ltd.
    Inventors: Jin Amanokura, Takafumi Sakurada, Sou Anzai, Takashi Shinoda, Shigeru Nobe
  • Publication number: 20140017893
    Abstract: Disclosed is a CMP polishing liquid for polishing a substrate having a layer containing ruthenium, comprising: an oxidizing agent; polishing particles; water; and a compound having a structure represented by the following Formula (1), or a salt thereof. This CMP liquid is improved in at least the polishing rate to a ruthenium layer when compared with conventional polishing liquid. Also disclosed is a method for polishing a substrate using such a CMP polishing liquid.
    Type: Application
    Filed: September 18, 2013
    Publication date: January 16, 2014
    Applicant: Hitachi Chemical Company, Ltd.
    Inventors: Hisataka MINAMI, Hiroshi Ono, Jin Amanokura
  • Patent number: 8501625
    Abstract: The invention relates to a polishing liquid for metal film comprising 7.0% by weight or more of an oxidizer for metal, a water-soluble polymer, an oxidized metal dissolving agent, a metal anticorrosive agent and water, provided that the total amount of the polishing liquid for metal film is 100% by weight, wherein the water-soluble polymer has a weight average molecular weight of 150,000 or more and is at least one member selected from among a polycarboxylic acid, a salt of a polycarboxylic acid, and a polycarboxylic acid ester. According to the invention, provided is a polishing liquid for metal film, by which polishing can be performed at a high rate even under a polishing pressure as low as 1 psi or lower, and such that a polished film after polishing is excellent in planarity, furthermore, with which a high polishing rate can be obtained even in an initial stage of polishing, and provided is a polishing method using the polishing liquid.
    Type: Grant
    Filed: July 8, 2008
    Date of Patent: August 6, 2013
    Assignee: Hitachi Chemical Co., Ltd.
    Inventors: Kouji Haga, Masato Fukasawa, Jin Amanokura, Hiroshi Nakagawa
  • Patent number: 8481428
    Abstract: The present invention relates to polishing slurry and polishing method used for polishing in a process for forming wirings of a semiconductor device, and the like. There are provided polishing slurry giving a polished surface having high flatness even if the polished surface is made of two or more substances, and further, capable of suppressing metal residue and scratches after polishing, and a method of chemical mechanical polishing using this. The polishing slurry of the present invention is polishing slurry containing at least one of a surfactant and an organic solvent, and a metal oxide dissolving agent and water, or polishing slurry containing water and abrasive of which surface has been modified with an alkyl group, and preferably, it further contains a metal oxidizer, water-soluble polymer, and metal inhibitor.
    Type: Grant
    Filed: November 18, 2011
    Date of Patent: July 9, 2013
    Assignee: Hitachi Chemical Co., Ltd.
    Inventors: Jin Amanokura, Takafumi Sakurada, Sou Anzai, Masato Fukasawa, Shouichi Sasaki
  • Publication number: 20120238094
    Abstract: The CMP polishing liquid of the invention comprises a metal salt containing at least one type of metal selected from the group consisting of metals of Groups 8, 11, 12 and 13, 1,2,4-triazole, a phosphorus acid, an oxidizing agent and abrasive grains. The polishing method of the invention comprises a step of polishing at least a palladium layer with an abrasive cloth while supplying a CMP polishing liquid between the palladium layer of a substrate having the palladium layer and the abrasive cloth, wherein the CMP polishing liquid comprises a metal salt containing at least one type of metal selected from the group consisting of metals of Groups 8, 11, 12 and 13, 1,2,4-triazole, a phosphorus acid, an oxidizing agent and abrasive grains.
    Type: Application
    Filed: January 4, 2011
    Publication date: September 20, 2012
    Applicant: Hitachi Chemical Company, Ltd.
    Inventors: Hisataka Minami, Jin Amanokura, Sou Anzai
  • Publication number: 20120100718
    Abstract: The CMP polishing liquid for polishing palladium of this invention comprises an organic solvent, 1,2,4-triazole, a phosphorus acid compound, an oxidizing agent and an abrasive. The substrate polishing method is a method for polishing a substrate with a polishing cloth while supplying a CMP polishing liquid between the substrate and the polishing cloth, wherein the substrate is a substrate with a palladium layer on the side facing the polishing cloth, and the CMP polishing liquid is a CMP polishing liquid comprising an organic solvent, 1,2,4-triazole, a phosphorus acid compound, an oxidizing agent and an abrasive.
    Type: Application
    Filed: February 5, 2010
    Publication date: April 26, 2012
    Applicant: Hitachi Chemical Company, Ltd.
    Inventors: Hisataka Minami, Ryouta Saisyo, Jin Amanokura, Yuuhei Okada, Hiroshi Ono
  • Publication number: 20120064721
    Abstract: The present invention relates to polishing slurry and polishing method used for polishing in a process for forming wirings of a semiconductor device, and the like. There are provided polishing slurry giving a polished surface having high flatness even if the polished surface is made of two or more substances, and further, capable of suppressing metal residue and scratches after polishing, and a method of chemical mechanical polishing using this. The polishing slurry of the present invention is polishing slurry containing at least one of a surfactant and an organic solvent, and a metal oxide dissolving agent and water, or polishing slurry containing water and abrasive of which surface has been modified with an alkyl group, and preferably, it further contains a metal oxidizer, water-soluble polymer, and metal inhibitor.
    Type: Application
    Filed: November 18, 2011
    Publication date: March 15, 2012
    Applicant: HITACHI CHEMICAL CO., LTD.
    Inventors: Jin Amanokura, Takafumi Sakurada, Sou Anzai, Masato Fukasawa, Shouichi Sasaki
  • Patent number: 8084362
    Abstract: The present invention relates to polishing slurry and polishing method used for polishing in a process for forming wirings of a semiconductor device, and the like. There are provided polishing slurry giving a polished surface having high flatness even if the polished surface is made of two or more substances, and further, capable of suppressing metal residue and scratches after polishing, and a method of chemical mechanical polishing using this. The polishing slurry of the present invention is polishing slurry containing at least one of a surfactant and an organic solvent, and a metal oxide dissolving agent and water, or polishing slurry containing water and abrasive, wherein the surface of the abrasive is modified with an alkyl group, and preferably, it further contains a metal oxidizer, water-soluble polymer, and metal inhibitor.
    Type: Grant
    Filed: May 25, 2007
    Date of Patent: December 27, 2011
    Assignee: Hitachi Chemical Co., Ltd.
    Inventors: Jin Amanokura, Takafumi Sakurada, Sou Anzai, Masato Fukasawa, Shouichi Sasaki
  • Patent number: 8084363
    Abstract: The present invention relates to polishing slurry and polishing method used for polishing in a process for forming wirings of a semiconductor device, and the like. There are provided polishing slurry giving a polished surface having high flatness even if the polished surface is made of two or more substances, and further, capable of suppressing metal residue and scratches after polishing, and a method of chemical mechanical polishing using this. The polishing slurry of the present invention is polishing slurry containing at least one of a surfactant and an organic solvent, and a metal oxide dissolving agent and water, or polishing slurry containing water and abrasive of which surface has been modified with an alkyl group, and preferably, it further contains a metal oxidizer, water-soluble polymer, and metal inhibitor.
    Type: Grant
    Filed: February 4, 2009
    Date of Patent: December 27, 2011
    Assignee: Hitachi Chemical Co., Ltd.
    Inventors: Jin Amanokura, Takafumi Sakurada, Sou Anzai, Masato Fukasawa, Shouichi Sasaki
  • Patent number: 7994058
    Abstract: The present invention relates to polishing slurry and polishing method used for polishing in a process for forming wirings of a semiconductor device, and the like. There are provided polishing slurry giving a polished surface having high flatness even if the polished surface is made of two or more substances, and further, capable of suppressing metal residue and scratches after polishing, and a method of chemical mechanical polishing using this. The polishing slurry of the present invention is polishing slurry containing at least one of a surfactant and an organic solvent, and a metal oxide dissolving agent and water, or polishing slurry containing water and abrasive, wherein the surface of the abrasive is modified with an alkyl group, and preferably, it further contains a metal oxidizer, water-soluble polymer, and metal inhibitor.
    Type: Grant
    Filed: May 25, 2007
    Date of Patent: August 9, 2011
    Assignee: Hitachi Chemical Co., Ltd.
    Inventors: Jin Amanokura, Takafumi Sakurada, Sou Anzai, Masato Fukasawa, Shouichi Sasaki
  • Publication number: 20110027997
    Abstract: The present invention can provide a polishing liquid for CMP having good dispersion stability and a high polishing rate in polishing of interlayer insulating films and a polishing method. Disclosed a polishing liquid for CMP comprising: a medium; and colloidal silica particles dispersed in the medium, a blending amount of the colloidal silica particles being 2.0 to 8.
    Type: Application
    Filed: April 16, 2009
    Publication date: February 3, 2011
    Applicant: HITACHI CHEMICAL COMPANY, LTD.
    Inventors: Takashi Shinoda, Takaaki Tanaka, Mamiko Kanamaru, Jin Amanokura
  • Publication number: 20100323584
    Abstract: The invention relates to a polishing liquid for metal film comprising 7.0% by weight or more of an oxidizer for metal, a water-soluble polymer, an oxidized metal dissolving agent, a metal anticorrosive agent and water, provided that the total amount of the polishing liquid for metal film is 100% by weight, wherein the water-soluble polymer has a weight average molecular weight of 150,000 or more and is at least one member selected from among a polycarboxylic acid, a salt of a polycarboxylic acid, and a polycarboxylic acid ester. According to the invention, provided is a polishing liquid for metal film, by which polishing can be performed at a high rate even under a polishing pressure as low as 1 psi or lower, and such that a polished film after polishing is excellent in planarity, furthermore, with which a high polishing rate can be obtained even in an initial stage of polishing, and provided is a polishing method using the polishing liquid.
    Type: Application
    Filed: July 8, 2008
    Publication date: December 23, 2010
    Applicant: HITACHI CHEMICAL CO., LTD.
    Inventors: Kouji Haga, Masato Fukasawa, Jin Amanokura, Hiroshi Nakagawa
  • Publication number: 20100216309
    Abstract: Disclosed is a CMP polishing liquid for polishing a substrate having a layer containing ruthenium, comprising: an oxidizing agent; polishing particles; water; and a compound having a structure represented by the following Formula (1), or a salt thereof. This CMP liquid is improved in at least the polishing rate to a ruthenium layer when compared with conventional polishing liquid. Also disclosed is a method for polishing a substrate using such a CMP polishing liquid.
    Type: Application
    Filed: October 21, 2008
    Publication date: August 26, 2010
    Applicant: HITACHI CHEMICAL COMPANY, LTD.
    Inventors: Hisataka Minami, Hiroshi Ono, Jin Amanokura
  • Publication number: 20100120250
    Abstract: The present invention relates to a metal polishing slurry containing abrasive grains, a metal-oxide-dissolving agent, and water, wherein the abrasive grains contain two or more abrasive grain species different from each other in average secondary particle diameter. Using the metal polishing slurry of the present invention, a metal polishing slurry can be obtained which gives a large polishing rate of an interlayer dielectric layer, and is high in the flatness of the polished surface. This metal polishing slurry can provide suitable method for a semiconductor device which is excellent in being made finer and thinner and in dimension precision and in electric characteristics, is high in reliability, and can attain a decrease in costs.
    Type: Application
    Filed: February 22, 2008
    Publication date: May 13, 2010
    Applicant: HITACHI CHEMICAL CO., LTD.
    Inventors: Jin Amanokura, Takafumi Sakurada, Sou Anzai, Takashi Shinoda, Shigeru Nobe
  • Publication number: 20090156007
    Abstract: The present invention relates to polishing slurry and polishing method used for polishing in a process for forming wirings of a semiconductor device, and the like. There are provided polishing slurry giving a polished surface having high flatness even if the polished surface is made of two or more substances, and further, capable of suppressing metal residue and scratches after polishing, and a method of chemical mechanical polishing using this. The polishing slurry of the present invention is polishing slurry containing at least one of a surfactant and an organic solvent, and a metal oxide dissolving agent and water, or polishing slurry containing water and abrasive of which surface has been modified with an alkyl group, and preferably, it further contains a metal oxidizer, water-soluble polymer, and metal inhibitor.
    Type: Application
    Filed: February 4, 2009
    Publication date: June 18, 2009
    Applicant: HITACHI CHEMICAL CO., LTD.
    Inventors: Jin Amanokura, Takafumi Sakurada, Sou Anzai, Masato Fukasawa, Shouichi Sasaki
  • Publication number: 20070232197
    Abstract: The present invention relates to polishing slurry and polishing method used for polishing in a process for forming wirings of a semiconductor device, and the like. There are provided polishing slurry giving a polished surface having high flatness even if the polished surface is made of two or more substances, and further, capable of suppressing metal residue and scratches after polishing, and a method of chemical mechanical polishing using this. The polishing slurry of the present invention is polishing slurry containing at least one of a surfactant and an organic solvent, and a metal oxide dissolving agent and water, or polishing slurry containing water and abrasive, wherein the surface of the abrasive is modified with an alkyl group, and preferably, it further contains a metal oxidizer, water-soluble polymer, and metal inhibitor.
    Type: Application
    Filed: May 25, 2007
    Publication date: October 4, 2007
    Applicant: HITACHI CHEMICAL CO., LTD.
    Inventors: Jin Amanokura, Takafumi Sakurada, Sou Anzai, Masato Fukasawa, Shouichi Sasaki
  • Publication number: 20050050803
    Abstract: The present invention relates to polishing slurry and polishing method used for polishing in a process for forming wirings of a semiconductor device, and the like. There are provided polishing slurry giving a polished surface having high flatness even if the polished surface is made of two or more substances, and further, capable of suppressing metal residue and scratches after polishing, and a method of chemical mechanical polishing using this. The polishing slurry of the present invention is polishing slurry containing at least one of a surfactant and an organic solvent, and a metal oxide dissolving agent and water, or polishing slurry containing water and abrasive of which surface has been modified with an alkyl group, and preferably, it further contains a metal oxidizer, water-soluble polymer, and metal inhibitor.
    Type: Application
    Filed: October 31, 2002
    Publication date: March 10, 2005
    Inventors: Jin Amanokura, Takafumi Sakurada, Sou Anzai, Masato Fukasawa, Shouichi Sasaki
  • Patent number: 6060215
    Abstract: A photosensitive resin composition comprising (A) a resin having an amide bond, an oxyalkylene group and a carboxyl group, (B) a photopolymerizable compound having an ethylenically unsaturated group and (C) a photopolymerization initiator has an alkali developability, good sensitivity and photocurability, an efficient pattern formability by photolithography, a good application workability to a film and is capable of producing cured products having good folding endurance, solder reflow heat resistance, solvent resistance, bondability and nonflammability and suitable for producing a photosensitive element, a photosensitive laminate and a flexible printed circuit board.
    Type: Grant
    Filed: March 27, 1998
    Date of Patent: May 9, 2000
    Assignee: Hitachi, Ltd.
    Inventors: Jin Amanokura, Fumihiko Ota, Ritsuko Obata, Toshihiko Akahori, Kenji Suzuki, Hiroshi Nishizawa, Katsunori Tsuchiya, Takao Hirayama, Hiroaki Hirakura