Patents by Inventor Eishi Shiobara

Eishi Shiobara 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: 7026099
    Abstract: A pattern forming method is disclosed which comprises providing a to-be-processed film on a substrate, providing a resist film on the to-be-processed film, patterning the resist film, providing a film of a radiosensitive compound on the to-be-processed film such that the patterned resist film is covered with the film of the radiosensitive compound, subjecting the film of the radiosensitive compound to irradiation and a development process, thus exposing an upper surface of the resist film and patterning the film of the radiosensitive compound, and removing the resist film and processing the to-be-processed film, using the patterned film of the radiosensitive compound as a mask.
    Type: Grant
    Filed: April 22, 2003
    Date of Patent: April 11, 2006
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Hirokazu Kato, Yasunobu Onishi, Eishi Shiobara, Daisuke Kawamura, Hiroko Nakamura
  • Patent number: 7009148
    Abstract: A method of processing a substrate, comprising forming a chemically amplified resist film on a substrate, irradiating energy beams to the chemically amplified resist film to form a latent image therein, carrying out heat treatment with respect to the chemically amplified resist film, heating treatment being carried out in a manner of relatively moving a heating section for heating the chemically amplified resist film and the substrate forming a gas stream flowing reverse to the relatively moving direction of the heating section between the lower surface of the heating section and the chemically amplified resist film.
    Type: Grant
    Filed: October 10, 2003
    Date of Patent: March 7, 2006
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Kenji Kawano, Shinichi Ito, Eishi Shiobara
  • Patent number: 7005249
    Abstract: A heating apparatus for a substrate to be processed with a coating film has a chamber with an inner space, a heating plate heating the substrate to be processed in the inner space, and a partition member. The heating plate has a support surface which supports the substrate to be processed within the chamber. The partition member is arranged in the chamber so as to face the support surface. The partition member partitions the inner space into first and second spaces, and has a plurality of pores which allow the first and second spaces to communicate with each other. The support surface of the heating plate is set in the first space. An air stream formation mechanism forming an air stream is arranged in the second space. This mechanism discharges a substance evaporated from the photoresist film.
    Type: Grant
    Filed: January 7, 2005
    Date of Patent: February 28, 2006
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Kenji Kawano, Shinichi Ito, Eishi Shiobara, Daisuke Kawamura, Kei Hayasaki
  • Patent number: 7005238
    Abstract: A heating apparatus for a substrate to be processed with a coating film has a chamber with an inner space, a heating plate heating the substrate to be processed in the inner space, and a partition member. The heating plate has a support surface which supports the substrate to be processed within the chamber. The partition member is arranged in the chamber so as to face the support surface. The partition member partitions the inner space into first and second spaces, and has a plurality of pores which allow the first and second spaces to communicate with each other. The support surface of the heating plate is set in the first space. An air stream formation mechanism forming an air stream is arranged in the second space. This mechanism discharges a substance evaporated from the photoresist film.
    Type: Grant
    Filed: January 7, 2005
    Date of Patent: February 28, 2006
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Kenji Kawano, Shinichi Ito, Eishi Shiobara, Daisuke Kawamura, Kei Hayasaki
  • Publication number: 20050244979
    Abstract: A method for evaluating chemical solution includes determining number of particles in liquid for each size of the particles by measurement, expressing a relationship between size of the particles and number of particles corresponding to the size by a function based on the number of particles for each size of the particles determined by the measurement, and evaluating influence of particles having size less than or equal to a measurement limit in the liquid based on the function.
    Type: Application
    Filed: April 14, 2005
    Publication date: November 3, 2005
    Inventors: Shinichi Ito, Eishi Shiobara
  • Publication number: 20050158670
    Abstract: A heating apparatus for a substrate to be processed with a coating film has a chamber with an inner space, a heating plate heating the substrate to be processed in the inner space, and a partition member. The heating plate has a support surface which supports the substrate to be processed within the chamber. The partition member is arranged in the chamber so as to face the support surface. The partition member partitions the inner space into first and second spaces, and has a plurality of pores which allow the first and second spaces to communicate with each other. The support surface of the heating plate is set in the first space. An air stream formation mechanism forming an air stream is arranged in the second space. This mechanism discharges a substance evaporated from the photoresist film.
    Type: Application
    Filed: January 7, 2005
    Publication date: July 21, 2005
    Inventors: Kenji Kawano, Shinichi Ito, Eishi Shiobara, Daisuke Kawamura, Kei Hayasaki
  • Publication number: 20050130068
    Abstract: A pattern forming method comprises forming a first resist pattern on a substrate, irradiating light on the first resist pattern, forming a resist film including a cross-linking material on the substrate and the first resist pattern, forming a second resist pattern including a cross-linking layer formed at an interface between the first resist pattern and the resist film by causing a cross-linking reaction at the interface, and irradiating light on the first resist pattern including setting an amount of the light irradiated on the first resist pattern such that a dimension of the second resist pattern is to be a predetermined dimension based on a previously prepared relationship between a difference between a dimension relating to the first resist pattern and a dimension relating to the second resist pattern and the amount of the light irradiated on the first resist pattern.
    Type: Application
    Filed: November 19, 2004
    Publication date: June 16, 2005
    Inventors: Takehiro Kondoh, Eishi Shiobara, Tomoyuki Takeishi, Kenji Chiba, Shinichi Ito
  • Publication number: 20050118535
    Abstract: A method of processing a substrate, comprising forming a chemically amplified resist film on a substrate, irradiating energy beams to the chemically amplified resist film to form a latent image therein, carrying out heat treatment with respect to the chemically amplified resist film, heating treatment being carried out in a manner of relatively moving a heating section for heating the chemically amplified resist film and the substrate forming a gas stream flowing reverse to the relatively moving direction of the heating section between the lower surface of the heating section and the chemically amplified resist film.
    Type: Application
    Filed: January 6, 2005
    Publication date: June 2, 2005
    Inventors: Kenji Kawano, Shinichi Ito, Eishi Shiobara
  • Publication number: 20050118536
    Abstract: A heating apparatus for a substrate to be processed with a coating film has a chamber with an inner space, a heating plate heating the substrate to be processed in the inner space, and a partition member. The heating plate has a support surface which supports the substrate to be processed within the chamber. The partition member is arranged in the chamber so as to face the support surface. The partition member partitions the inner space into first and second spaces, and has a plurality of pores which allow the first and second spaces to communicate with each other. The support surface of the heating plate is set in the first space. An air stream formation mechanism forming an air stream is arranged in the second space. This mechanism discharges a substance evaporated from the photoresist film.
    Type: Application
    Filed: January 7, 2005
    Publication date: June 2, 2005
    Inventors: Kenji Kawano, Shinichi Ito, Eishi Shiobara, Daisuke Kawamura, Kei Hayasaki
  • Patent number: 6881058
    Abstract: A heating apparatus for a substrate to be processed with a coating film has a chamber with an inner space, a heating plate heating the substrate to be processed in the inner space, and a partition member. The heating plate has a support surface which supports the substrate to be processed within the chamber. The partition member is arranged in the chamber so as to face the support surface. The partition member partitions the inner space into first and second spaces, and has a plurality of pores which allow the first and second spaces to communicate with each other. The support surface of the heating plate is set in the first space. An air stream formation mechanism forming an air stream is arranged in the second space. This mechanism discharges a substance evaporated from the photoresist film.
    Type: Grant
    Filed: December 26, 2001
    Date of Patent: April 19, 2005
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Kenji Kawano, Shinichi Ito, Eishi Shiobara, Daisuke Kawamura, Kei Hayasaki
  • Publication number: 20050069819
    Abstract: According to an aspect of the invention, there is provided a method for forming a resist pattern by using a liquid immersion type exposing apparatus which executes exposure in a state in which a space between a resist film and an objective lens is filled with a liquid comprises forming a film to be processed on a substrate to be processed, forming the resist film on the substrate to be processed on which the film to be processed is formed, forming a resist protective film on the resist film and exposing the resist film after the formation of the resist protective film.
    Type: Application
    Filed: September 29, 2004
    Publication date: March 31, 2005
    Inventor: Eishi Shiobara
  • Patent number: 6841404
    Abstract: A method for determining an optical constant of an bottom antireflective layer formed between a resist film and an underlying substrate in an optical lithography process in a process for fabricating a semiconductor device, the resist film having an absorption coefficient ?? of 1.5 ?m?1 to 3.
    Type: Grant
    Filed: September 10, 2002
    Date of Patent: January 11, 2005
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Daisuke Kawamura, Eishi Shiobara
  • Publication number: 20040265713
    Abstract: An method for evaluating sensitivity of a photoresist includes transferring an exposure dose monitor mark onto an inspection resist film with an inspection setting exposure dose using an exposure tool. Inspection sensitivity index varying according to the inspection setting exposure dose is measured, using an inspection transferred image of the exposure dose monitor mark delineated on the inspection resist film. An inspection photoresist sensitivity of the inspection resist film is calculated using sensitivity calibration data, based on the inspection sensitivity index.
    Type: Application
    Filed: May 28, 2004
    Publication date: December 30, 2004
    Inventors: Eishi Shiobara, Kei Hayasaki, Tadahito Fujisawa, Shinichi Ito
  • Publication number: 20040121617
    Abstract: A method of processing a substrate, comprising forming a chemically amplified resist film on a substrate, irradiating energy beams to the chemically amplified resist film to form a latent image therein, carrying out heat treatment with respect to the chemically amplified resist film, heating treatment being carried out in a manner of relatively moving a heating section for heating the chemically amplified resist film and the substrate forming a gas stream flowing reverse to the relatively moving direction of the heating section between the lower surface of the heating section and the chemically amplified resist film.
    Type: Application
    Filed: October 10, 2003
    Publication date: June 24, 2004
    Inventors: Kenji Kawano, Shinichi Ito, Eishi Shiobara
  • Publication number: 20030215749
    Abstract: A pattern forming method is disclosed which comprises providing a to-be-processed film on a substrate, providing a resist film on the to-be-processed film, patterning the resist film, providing a film of a radiosensitive compound on the to-be-processed film such that the patterned resist film is covered with the film of the radiosensitive compound, subjecting the film of the radiosensitive compound to irradiation and a development process, thus exposing an upper surface of the resist film and patterning the film of the radiosensitive compound, and removing the resist film and processing the to-be-processed film, using the patterned film of the radiosensitive compound as a mask.
    Type: Application
    Filed: April 22, 2003
    Publication date: November 20, 2003
    Inventors: Hirokazu Kato, Yasunobu Onishi, Eishi Shiobara, Daisuke Kawamura, Hiroko Nakamura
  • Patent number: 6576562
    Abstract: A manufacturing method of semiconductor device comprises forming a mask material having an aromatic ring and carbon content of 80 wt % or more on an object, forming a mask material pattern by etching the mask material to a desired pattern, and etching the object to transfer the mask material pattern as a mask to the object.
    Type: Grant
    Filed: December 14, 2001
    Date of Patent: June 10, 2003
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Junko Ohuchi, Yasuhiko Sato, Eishi Shiobara, Hisataka Hayashi, Tokuhisa Ohiwa, Yasunobu Onishi
  • Patent number: 6569595
    Abstract: A method of forming a pattern which comprises the steps of, forming a matrix pattern on a work film, filling an opened space in the matrix pattern with a mask material layer containing at least one kind of a network carbon polymer having a repeating unit represented by the following general formulas (CP1) to (CP4) on the work film, forming a mask material pattern by removing the matrix pattern, and forming a work film pattern by transferring the mask material pattern to the work film: wherein R is halogen atom, hydrogen atom or a substituted or unsubstituted hydrocarbon group, A is a polyvalent organic group, and m, n and k denote respectively a positive integer.
    Type: Grant
    Filed: February 24, 2000
    Date of Patent: May 27, 2003
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Yasuhiko Sato, Eishi Shiobara, Yasunobu Onishi, Shuji Hayase, Yoshihiko Nakano
  • Publication number: 20030064534
    Abstract: A method for determining an optical constant of an bottom antireflective layer formed between a resist film and an underlying substrate in an optical lithography process in a process for fabricating a semiconductor device, the resist film having an absorption coefficient &agr;′ of 1.5 &mgr;m−1 to 3.
    Type: Application
    Filed: September 10, 2002
    Publication date: April 3, 2003
    Inventors: Daisuke Kawamura, Eishi Shiobara
  • Publication number: 20020123011
    Abstract: A heating apparatus for a substrate to be processed with a coating film has a chamber with an inner space, a heating plate heating the substrate to be processed in the inner space, and a partition member. The heating plate has a support surface which supports the substrate to be processed within the chamber. The partition member is arranged in the chamber so as to face the support surface. The partition member partitions the inner space into first and second spaces, and has a plurality of pores which allow the first and second spaces to communicate with each other. The support surface of the heating plate is set in the first space. An air stream formation mechanism forming an air stream is arranged in the second space. This mechanism discharges a substance evaporated from the photoresist film.
    Type: Application
    Filed: December 26, 2001
    Publication date: September 5, 2002
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Kenji Kawano, Shinichi Ito, Eishi Shiobara, Daisuke Kawamura, Kei Hayasaki
  • Publication number: 20020119612
    Abstract: A manufacturing method of semiconductor device comprises forming a mask material having an aromatic ring and carbon content of 80 wt % or more on an object, forming a mask material pattern by etching the mask material to a desired pattern, and etching the object to transfer the mask material pattern as a mask to the object.
    Type: Application
    Filed: December 14, 2001
    Publication date: August 29, 2002
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Junko Ohuchi, Yasuhiko Sato, Eishi Shiobara, Hisataka Hayashi, Tokuhisa Ohiwa, Yasunobu Onishi