Patents by Inventor Tsukuru Suzuki

Tsukuru Suzuki 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: 7029518
    Abstract: A method and apparatus for preventing contamination of a substrate or a substrate surface, and particularly relates to prevention of contamination of raw materials, semi-finished products, base materials of products and substrate surface in a high-tech industry such as an in the production of semiconductors and liquid crystals. A gas coming into contact with a base material or substrate is purified by dust removing apparatus and adsorption and/or absorption apparatus so that the concentration of fine particles in the gas is below class 1,000 and a non-methane hydrocarbon concentration is below 0.2 ppm. Thereafter, the base material or the substrate surface is exposed to this gas.
    Type: Grant
    Filed: March 15, 2005
    Date of Patent: April 18, 2006
    Assignee: Ebara Research Co., Ltd.
    Inventors: Toshiaki Fujii, Tsukuru Suzuki, Hidetomo Suzuki, Kazuhiko Sakamoto
  • Publication number: 20050242064
    Abstract: A substrate processing apparatus comprises roll chucks for holding and rotating a substrate, a closable chamber housing the roll chucks therein, and a gas introduction pipe for introducing a gas into the chamber. The substrate processing apparatus further comprises an etching unit for etching and cleaning a peripheral portion of the substrate while the substrate is being rotated by the roll chucks, and a first supply passage for supplying a first liquid to the etching unit.
    Type: Application
    Filed: July 11, 2005
    Publication date: November 3, 2005
    Inventors: Takayuki Saito, Tsukuru Suzuki, Yuji Makita, Kaoru Yamada, Mitsuhiko Shirakashi, Kenya Ito
  • Patent number: 6932884
    Abstract: A substrate processing apparatus comprises roll chucks for holding and rotating a substrate, a closable chamber housing the roll chucks therein, and a gas introduction pipe for introducing a gas into the chamber. The substrate processing apparatus further comprises an etching unit for etching and cleaning a peripheral portion of the substrate while the substrate is being rotated by the roll chucks, and a first supply passage for supplying a first liquid to the etching unit.
    Type: Grant
    Filed: September 4, 2002
    Date of Patent: August 23, 2005
    Assignee: Ebara Corporation
    Inventors: Takayuki Saito, Tsukuru Suzuki, Yuji Makita, Kaoru Yamada, Mitsuhiko Shirakashi, Kenya Ito
  • Publication number: 20050178267
    Abstract: A method and apparatus for preventing contamination of a substrate or a substrate surface, and particularly relates to prevention of contamination of raw materials, semi-finished products, base materials of products and substrate surface in a high-tech industry such as in the production of semiconductors and liquid crystals. A gas coming into contact with a base material or substrate is purified by dust removing means and adsorption and/or absorption means so that the concentration of fine particles in the gas is below class 1,000 and a non-methane hydrocarbon concentration is below 0.2 ppm. Thereafter, the base material or the substrate surface is exposed to this gas.
    Type: Application
    Filed: March 15, 2005
    Publication date: August 18, 2005
    Applicant: Ebara Research Co., Ltd.
    Inventors: Toshiaki Fujii, Tsukuru Suzuki, Hidetomo Suzuki, Kazuhiko Sakamoto
  • Publication number: 20050155868
    Abstract: An electrolytic processing apparatus can increase the efficiency of the dissociation reaction of water and efficiently perform electrolytic processing, and can eliminate the need for an operation for a change of ion exchanger. The electrolytic processing apparatus includes: a processing electrode and a feeding electrode; a liquid supply section for supplying a liquid containing an ion-exchange material between the workpiece and at least one of the processing electrode and the feeding electrode; a power source for applying a voltage between the processing electrode and the feeding electrode; and a drive section for moving the workpiece and at least one of the processing electrode and the feeding electrode relative to each other; wherein electrolytic processing of the workpiece is carried out while keeping the workpiece not in contact with and close to the processing electrode at a distance of not more than 10 ?m.
    Type: Application
    Filed: January 14, 2005
    Publication date: July 21, 2005
    Inventors: Itsuki Kobata, Yutaka Wada, Hirokuni Hiyama, Takayuki Saito, Yasushi Toma, Tsukuru Suzuki, Akira Kodera
  • Patent number: 6911064
    Abstract: A method and apparatus for preventing contamination of a substrate or a substrate surface, and particularly relates to prevention of contamination of raw materials, semi-finished products, base materials of products and substrate surface in a high-tech industry such as an in the production of semiconductors and liquid crystals. A gas coming into contact with a base material or substrate is purified by dust removing apparatus and adsorption and/or absorption apparatus so that the concentration of fine particles in the gas is below class 1,000 and a non-methane hydrocarbon concentration is below 0.2 ppm. Thereafter, the base material or the substrate surface is exposed to this gas.
    Type: Grant
    Filed: December 29, 2003
    Date of Patent: June 28, 2005
    Assignee: Ebara Research Co., Ltd.
    Inventors: Toshiaki Fujii, Tsukuru Suzuki, Hidetomo Suzuki, Kazuhiko Sakamoto
  • Publication number: 20050092351
    Abstract: The present invention provides a substrate processing apparatus and a substrate processing method suitable for use in an etching apparatus which etches a thin film formed on a peripheral portion of a substrate. The present invention also provides a substrate processing apparatus and a substrate processing method suitable for use in a cleaning apparatus which performs a cleaning process on a substrate which has been etched. The substrate processing apparatus for use in etching includes a substrate holder 11 for holding a substrate W substantially horizontally and rotating the substrate W, and a processing liquid supply unit 15 for supplying a processing liquid onto a peripheral portion of the substrate W which is being rotated in such a manner that the processing liquid is stationary with respect to the substrate W.
    Type: Application
    Filed: October 30, 2003
    Publication date: May 5, 2005
    Inventors: Takayuki Saito, Tsukuru Suzuki, Kaoru Yamada, Kenya Ito, Masayuki Kamezawa, Kenji Yamaguchi
  • Publication number: 20040256237
    Abstract: There is provided an electrolytic processing apparatus and method which, while omitting a CMP treatment entirely or reducing a load upon a CMP treatment to the least possible extent, can process a conductive material formed in the surface of a substrate to flatten the material, or can remove (clean) extraneous matter adhering to the surface of a workpiece such as a substrate. The electrolytic processing apparatus includes: a pair of electrodes disposed at a given distance; an ion exchange disposed between the pair of electrodes; and a liquid supply section for supplying a liquid between the pair of electrodes. The electrolytic processing method includes: providing an electrode section having, a pair of electrodes disposed at a given distance with an ion exchanger being interposed: and bringing the electrode into contact with or close to a workpiece while supplying a fluid to the ion exchanger, thereby processing the surface of the workpiece.
    Type: Application
    Filed: August 9, 2004
    Publication date: December 23, 2004
    Inventors: Itsuki Kobata, Mitsuhiko Shirakashi, Masayuki Kumekawa, Takayuki Saito, Yasushi Toma, Tsukuru Suzuki, Kaoru Yamada, Yuji Makita, Hozumi Yasuda, Ikutaro Noji, Kunio Fujiwara, Osamu Nabeya
  • Publication number: 20040231989
    Abstract: There is a provided a substrate processing apparatus that can perform an electrolytic processing, which is different from a common, conventional etching, to remove (clean off) a conductive material (film) formed on or adhering to a bevel portion, etc. of a substrate or process a peripheral portion of a substrate through an electrochemical action. The substrate processing apparatus includes: an electrode section having a plurality of electrodes which are laminated with insulators being interposed, and having a holding portion which is to be opposed to a peripheral portion of a substrate: an ion exchanger disposed in the holding portion of the electrode section; a liquid supply section for supplying a liquid to the holding position of the electrode section; and a power source for applying a voltage to the electrodes of the electrode section so that the electrodes alternately have different polarities.
    Type: Application
    Filed: July 6, 2004
    Publication date: November 25, 2004
    Inventors: Itsuki Kobata, Mitsuhiko Shirakashi, Masayuki Kumekawa, Takayuki Saito, Yasushi Toma, Tsukuru Suzuki, Kaoru Yamada, Yuji Makita, Hozumi Yasuda
  • Publication number: 20040149128
    Abstract: A method and apparatus for preventing contamination of a substrate or a substrate surface, and particularly relates to prevention of contamination of raw materials, semi-finished products, base materials of products and substrate surface in a high-tech industry such as in the production of semiconductors and liquid crystals. A gas coming into contact with a base material or substrate is purified by dust removing means and adsorption and/or absorption means so that the concentration of fine particles in the gas is below class 1,000 and a non-methane hydrocarbon concentration is below 0.2 ppm. Thereafter, the base material or the substrate surface is exposed to this gas.
    Type: Application
    Filed: December 29, 2003
    Publication date: August 5, 2004
    Applicant: EBARA RESEARCH CO., LTD.
    Inventors: Toshiaki Fujii, Tsukuru Suzuki, Hidetomo Suzuki, Kazuhiko Sakamoto
  • Publication number: 20040129569
    Abstract: The present invention provides an electrolytic processing apparatus which, while eliminating a CMP processing entirely or reducing a load on a CMP processing to the least possible extent, can process and flatten a conductive material formed in the surface of a substrate, or can remove (clean) extraneous matter adhering to the surface of a workpiece such as a substrate. The present invention includes an electrode section including a plurality of electrode members disposed in parallel, each electrode member comprising an electrode and an ion exchanger covering the surface of the electrode, a holder for holding a workpiece, which is capable of bringing the workpiece close to or into contact with the ion exchanger of the electrode member, and a power source to be connected to the electrode of each electrode member of the electrode section. The ion exchanger of the electrode member comprises an ion exchanger having an excellent surface smoothness and an ion exchanger having a large ion exchange capacity.
    Type: Application
    Filed: September 25, 2003
    Publication date: July 8, 2004
    Inventors: Osamu Nabeya, Masayuki Kumekawa, Hozumi Yasuda, Itsuki Kobata, Takeshi Ilzumi, Nobuyuki Takada, Koichi Fukaya, Mitsuhiko Shirakashi, Takayuki Saito, Yasushi Toma, Tsukuru Suzuki, Kaoru Yamada, Yuji Makita
  • Publication number: 20040112761
    Abstract: There is provided a method and device for regenerating an ion exchanger which can regenerate an ion exchanger easily and quickly, and can minimize a load upon cleaning of the regenerated ion exchanger and disposal of waste liquid. A method for regenerating a contaminated ion exchanger includes: providing a pair of a regeneration electrode and a counter electrode, a partition disposed between the electrodes, and an ion exchanger to be regenerated disposed between the counter electrode and the partition; and applying a voltage between the regeneration electrode and the counter electrode while supplying a liquid between the partition and the regeneration electrode and also supplying a liquid between the partition and the counter electrode.
    Type: Application
    Filed: November 18, 2003
    Publication date: June 17, 2004
    Inventors: Takayuki Saito, Tsukuru Suzuki, Yuji Makita, Kaoru Yamada, Masayuki Kumekawa, Hozumi Yasuda, Osamu Nabeya, Kazuto Hirokawa, Mitsuhiko Shirakashi, Yasushi Toma, Itsuki Kobata
  • Patent number: 6733570
    Abstract: A method and apparatus for preventing contamination of a substrate or a substrate surface, and particularly relates to prevention of contamination of raw materials, semi-finished products, base materials of products and substrate surface in a high-tech industry such as in the production of semiconductors and liquid crystals. A gas coming into contact with a base material or substrate is purified by dust removing apparatus and adsorption and/or absorption apparatus so that the concentration of fine particles in the gas is below class 1,000 and a non-methane hydrocarbon concentration is below 0.2 ppm. Thereafter, the base material or the substrate surface is exposed to this gas.
    Type: Grant
    Filed: June 2, 1995
    Date of Patent: May 11, 2004
    Assignee: Ebara Research Co., Ltd.
    Inventors: Toshiaki Fujii, Tsukuru Suzuki, Hidetomo Suzuki, Kazuhiko Sakamoto
  • Publication number: 20030136668
    Abstract: There is provided an electrolytic processing device including: a processing electrode brought into contact with or close to a workpiece; a feeding electrode for supplying electricity to the workpiece; an ion exchanger disposed in at least one of the spaces between the workpiece and the processing electrode, and between the workpiece and the feeding electrode; a power source for applying a voltage between the processing electrode and the feeding electrode; and a liquid supply section for supplying a liquid to the space between the workpiece and at least one of the processing electrode and the feeding electrode, in which the ion exchanger is present. A substrate processing apparatus having the electrolytic processing device is also provided.
    Type: Application
    Filed: January 7, 2003
    Publication date: July 24, 2003
    Inventors: Itsuki Kobata, Mitsuhiko Shirakashi, Masayuki Kumekawa, Takayuki Saito, Yasushi Toma, Tsukuru Suzuki, Kaoru Yamada, Yuji Makita, Hozumi Yasuda
  • Publication number: 20030132103
    Abstract: There is provided an electrolytic processing device including: a processing electrode brought into contact with or close to a workpiece; a feeding electrode for supplying electricity to the workpiece; an ion exchanger disposed in at least one of the spaces between the workpiece and the processing electrode, and between the workpiece and the feeding electrode; a power source for applying a voltage between the processing electrode and the feeding electrode; and a liquid supply section or supplying a liquid to the space between the workpiece and at least one of the processing electrode and the feeding electrode, in which the ion exchanger is present. A substrate processing apparatus having the electrolytic processing device is also provided.
    Type: Application
    Filed: November 22, 2002
    Publication date: July 17, 2003
    Inventors: Itsuki Kobata, Mitsuhiko Shirakashi, Masayuki Kumekawa, Takayuki Saito, Yasushi Toma, Tsukuru Suzuki, Kaoru Yamada, Yuji Makita
  • Publication number: 20030089231
    Abstract: A method and apparatus for preventing contamination of a substrate or a substrate surface, and particularly relates to prevention of contamination of raw materials, semi-finished products, base materials of products and substrate surface in a high-tech industry such as in the production of semiconductors and liquid crystals. A gas coming into contact with a base material or substrate is purified by dust removing means and adsorption and/or absorption means so that the concentration of fine particles in the gas is below class 1,000 and a non-methane hydrocarbon concentration is below 0.2 ppm. Thereafter, the base material or the substrate surface is exposed to this gas.
    Type: Application
    Filed: June 2, 1995
    Publication date: May 15, 2003
    Inventors: TOSHIAKI FUJII, TSUKURU SUZUKI, HIDETOMO SUZUKI, KAZUHIKO SAKAMOTO
  • Publication number: 20030041968
    Abstract: A substrate processing apparatus comprises roll chucks for holding and rotating a substrate, a closable chamber housing the roll chucks therein, and a gas introduction pipe for introducing a gas into the chamber. The substrate processing apparatus further comprises an etching unit for etching and cleaning a peripheral portion of the substrate while the substrate is being rotated by the roll chucks, and a first supply passage for supplying a first liquid to the etching unit.
    Type: Application
    Filed: September 4, 2002
    Publication date: March 6, 2003
    Inventors: Takayuki Saito, Tsukuru Suzuki, Yuji Makita, Kaoru Yamada, Mitsuhiko Shirakashi, Kenya Ito
  • Patent number: 6340381
    Abstract: A method and apparatus for preventing contamination of a substrate or a substrate surface, and particularly relates to prevention of contamination of raw materials, semi-finished products, base materials of products and substrate surface in a high-tech industry such as in the production of semiconductors and liquid crystals. A gas coming into contact with a base material or substrate is purified by dust removing apparatus and adsorption and/or absorption apparatus so that the concentration of fine particles in the gas is below class 1,000 and a non-methane hydrocarbon concentration is below 0.2 ppm. Thereafter, the base material or the substrate surface is exposed to this gas.
    Type: Grant
    Filed: July 20, 2000
    Date of Patent: January 22, 2002
    Assignee: Ebara Research Co., Ltd.
    Inventors: Toshiaki Fujii, Tsukuru Suzuki, Hidetomo Suzuki, Kazuhiko Sakamoto
  • Patent number: 5922105
    Abstract: A method and apparatus for preventing contamination of a substrate or a substrate surface, and particularly relates to prevention of contamination of raw materials, semi-finished products, base materials of products and substrate surface in a high-tech industry such as in the production of semiconductors and liquid crystals. A gas coming into contact with a base material or substrate is purified by dust removing apparatus and adsorption and/or absorption apparatus so that the concentration of fine particles in the gas is below class 1,000 and a non-methane hydrocarbon concentration is below 0.2 ppm. Thereafter, the base material or the substrate surface is exposed to this gas.
    Type: Grant
    Filed: March 19, 1998
    Date of Patent: July 13, 1999
    Assignee: Ebara Research Co., Ltd.
    Inventors: Toshiaki Fujii, Tsukuru Suzuki, Hidetomo Suzuki, Kazuhiko Sakamoto