Patents by Inventor Yoshihisa Kawamura
Yoshihisa Kawamura 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).
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Patent number: 8753803Abstract: According to one embodiment, a pattern forming method is disclosed. The method can include selectively providing a curing agent to a pattern in a template, contacting the template provided the curing agent to a substrate, irradiating the curing agent with light where the template and the substrate are contacted each other to harden the curing agent, demolding the template from the substrate to form a curing agent pattern on the substrate, and etching the substrate on a basis of the curing agent pattern.Type: GrantFiled: September 9, 2010Date of Patent: June 17, 2014Assignee: Kabushiki Kaisha ToshibaInventors: Yoshihisa Kawamura, Eishi Shiobara, Shinichi Ito
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Patent number: 8747682Abstract: According to one embodiment, a pattern formation method is disclosed. The method includes forming a plurality of regions on a foundation and the plurality of the regions correspond to different pattern sizes. The method includes separating each of a plurality of block copolymers from another one of the plurality of the block copolymers and segregating the each of the plurality of the block copolymers into a corresponding one of the regions. The method includes performing a phase separation of the each of the block copolymers of each of the regions. The method includes selectively removing a designated phase of each of the phase-separated block copolymers to form a pattern of the each of the block copolymers and the pattern has a different pattern size for the each of the regions.Type: GrantFiled: August 3, 2010Date of Patent: June 10, 2014Assignee: Kabushiki Kaisha ToshibaInventors: Kentaro Matsunaga, Tomoya Oori, Eishi Shiobara, Yukiko Sato, Yoshihisa Kawamura
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Patent number: 8597873Abstract: According to one embodiment, a method for pattern formation comprises forming a first pattern on a first region of a processed film, forming a reverse material film, having a photosensitive compound, on the processed film so that the reverse material film covers the first pattern, exposing and developing the reverse material film and processing the reverse material film into a second pattern in a second region different from the first region on the processed film, applying etch-back, after exposing and developing the reverse material film, to the reverse material film to expose an upper surface of the first pattern and processing the reverse material film into a third pattern in the first region, and etching the processed film using the second pattern and the third pattern as masks.Type: GrantFiled: August 23, 2012Date of Patent: December 3, 2013Assignee: Kabushiki Kaisha ToshibaInventor: Yoshihisa Kawamura
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Publication number: 20130275893Abstract: A screen creation system for creating a screen to be displayed at a graphical user interface of a programmable display includes: a registering unit that registers setting items that are set as a template regarding a configuration of a plurality of parts that makes the screen as elements that constitute the screen. When a new registration of the template is instructed regarding parts that are selected from the graphical user interface, the registering unit for registering the template is configured to: group and present setting items for each one of the selected parts based on properties thereof; and accept selection of the setting items to be included in the template.Type: ApplicationFiled: December 24, 2010Publication date: October 17, 2013Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Yoshihisa Kawamura, Masaru Nakamura
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Publication number: 20130137268Abstract: According to one embodiment, a method for pattern formation comprises forming a first pattern on a first region of a processed film, forming a reverse material film, having a photosensitive compound, on the processed film so that the reverse material film covers the first pattern, exposing and developing the reverse material film and processing the reverse material film into a second pattern in a second region different from the first region on the processed film, applying etch-back, after exposing and developing the reverse material film, to the reverse material film to expose an upper surface of the first pattern and processing the reverse material film into a third pattern in the first region, and etching the processed film using the second pattern and the third pattern as masks.Type: ApplicationFiled: August 23, 2012Publication date: May 30, 2013Inventor: Yoshihisa KAWAMURA
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Patent number: 8419995Abstract: An imprint method includes applying a light curable resin on a substrate to be processed, the substrate including first and second regions on which the light curable resin is applied, contacting an imprint mold with the light curable resin, curing the light curable resin by irradiating the light curable resin with light passing through the imprint mold, generating gas by performing a predetermined process to the light curable resin applied on a region of the substrate, the region including at least the first region, wherein an amount of gas generated from the light curable resin applied on the first region is larger than an amount of gas generated from the light curable resin of the second region, and forming a pattern by separating the imprint mold from the light curable resin after the gas being generated.Type: GrantFiled: September 21, 2009Date of Patent: April 16, 2013Assignee: Kabushiki Kaisha ToshibaInventors: Ikuo Yoneda, Kentaro Matsunaga, Yukiko Kikuchi, Yoshihisa Kawamura, Eishi Shiobara, Shinichi Ito, Tetsuro Nakasugi, Hirokazu Kato
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Publication number: 20120248065Abstract: According to one embodiment, a pattern forming methoo is disclosed. A film is formed on a substrate to be processed. A gaps is formed in a surface of the film. A photo-curable imprinting agent is supplied on the film surface in which the gaps are formed. The agent is contacted with a template including a concave pattern. The contacting is configured to fill the concave pattern with the agent. Light is applied to the agent while the agent is contacted with the template, wherein the agent is cured by the light. The template is separated from the substrate, wherein a pattern of the cured agent is formed on the substrate.Type: ApplicationFiled: March 20, 2012Publication date: October 4, 2012Inventors: Yoshihisa KAWAMURA, Shinichi Ito
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Publication number: 20120242002Abstract: A template includes a transfer surface having an unevenness pattern. The template is configured to form a configuration in a surface of a resin to reflect the unevenness pattern. The resin is formed by filling a photocurable resin liquid into a recess of the unevenness pattern in a state prior to using light to cure the photocurable resin liquid and by using the light to cure the photocurable resin liquid. The template includes a base member and a surface layer. The base member includes a major surface having an unevenness. The surface layer covers the unevenness of the base member, and is used to form the unevenness pattern to reflect a configuration of the unevenness. A contact angle between the surface layer and the photocurable resin liquid in the state prior to using the light to cure the photocurable resin liquid is not more than 30 degrees.Type: ApplicationFiled: March 5, 2012Publication date: September 27, 2012Applicant: Kabushiki Kaisha ToshibaInventors: Masako KOBAYASHI, Hideaki Hirabayashi, Yoshihisa Kawamura, Momoka Higa
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Publication number: 20120241409Abstract: In accordance with an embodiment, a pattern formation method includes: forming, on a first substrate, a fabrication target film having first and second regions; selectively applying, onto the first region a self-assembly material of a plurality of components that are phase-separable by a thermal treatment; baking the self-assembly material to phase-separate the self-assembly material into the components; removing any one of the components to form a first pattern; applying a curable resin onto the second region of the fabrication target film; bringing a dented second substrate corresponding to an arbitrary pattern closer to and into contact with the curable resin so that the second substrate faces the curable resin; curing the curable resin; detaching the second substrate from the curable resin to form a second pattern in the curable resin; and using the first and the second patterns as masks to fabricate the fabrication target film.Type: ApplicationFiled: March 6, 2012Publication date: September 27, 2012Inventors: Katsutoshi KOBAYASHI, Yoshihisa Kawamura, Yuriko Seino
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Patent number: 8097169Abstract: A method for filtering a chemical in which a first chemical stored in a first tank is filtered by a filter and a second chemical obtained by the filtering is stored in a second tank has: adding the capture amounts corresponding to the individual first chemicals first to n-th stored in the first tank, and getting an added capture amount; and comparing the added capture amount and a predetermined limit capture amount of the filter, and exchanging the filter based on the comparison result.Type: GrantFiled: September 17, 2009Date of Patent: January 17, 2012Assignee: Kabushiki Kaisha ToshibaInventors: Yoshihisa Kawamura, Hisako Aoyama, Daizo Mutoh
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Publication number: 20120007276Abstract: According to one embodiment, an imprint template includes a base substrate and a resin-based pattern transfer portion. The pattern transfer portion is formed on a major surface of the base substrate and includes a protrusion-depression pattern. A shape of the protrusion-depression pattern is transferred to a transfer target. The protrusion-depression portion is provided at the major surface of the base substrate. A major surface side of the pattern transfer portion is provided so as to fit into a depression of the protrusion-depression portion. In another embodiment, a pattern formation method is disclosed. The method can include providing the transfer target on the substrate, and using the imprint template to bring the pattern into contact with the transfer target. In addition, the method can include curing the transfer target and then releasing the imprint template from the transfer target to transfer the shape of the pattern to the transfer target.Type: ApplicationFiled: June 24, 2011Publication date: January 12, 2012Inventors: Katsutoshi KOBAYASHI, Yoshihisa Kawamura, Shinichi Ito
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Publication number: 20110315659Abstract: According to one embodiment, a pattern formation method is disclosed. The method can include forming a foundation film on a patterning film. The foundation film includes a reaction initiator to produce at least one of an acid and a base. The method can include forming an imprint film having an uneven configuration by coating an imprint material onto the foundation film and by causing a template to contact the imprint material. The method can include increasing an etching rate of a first portion of the imprint film higher than a second portion by introducing the at least one of acid and base into the first portion. The first portion is on the foundation film side. The second portion is a portion excluding the first portion. The method can include patterning the patterning film using a protruding portion of the uneven configuration as a mask.Type: ApplicationFiled: June 24, 2011Publication date: December 29, 2011Inventors: Yusuke SEKIGUCHI, Yoshihisa Kawamura
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Publication number: 20110244131Abstract: According to an embodiment, a template surface treatment method includes hydroxylating the surface of a template having an uneven pattern surface or absorbing water onto the surface to distribute OH radicals on the surface, and coupling a coupling agent onto the template surface on which the OH radicals are distributed. These processes are performed in an environment in which amines are controlled to be in a predetermined concentration or less.Type: ApplicationFiled: March 9, 2011Publication date: October 6, 2011Inventors: Yoshihisa KAWAMURA, Katsutoshi Kobayashi, Shinichi Ito, Hidekazu Hayashi, Hiroshi Tomita
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Publication number: 20110195189Abstract: According to one embodiment, a pattern formation method is disclosed. The method includes applying an imprint material onto a workpiece film; and bringing a transfer surface having a first unevenness of a template into contact with the imprint material to form a second unevenness in the imprint material. The second unevenness reflects a configuration of the first unevenness. The method includes curing the imprint material; filling a mask material into a recess of the second unevenness of the cured imprint material; exposing a part of the workpiece film by using the filled mask material as a mask to pattern the imprint material; and patterning the workpiece film by using the patterned imprint material as a mask. A thickness of the imprint material between the workpiece film and a bottom face of the recess of the second unevenness is not less than 2.5 times a half pitch of the second unevenness.Type: ApplicationFiled: December 21, 2010Publication date: August 11, 2011Inventor: Yoshihisa KAWAMURA
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Publication number: 20110159209Abstract: To forming a pattern on a substrate using a template simply and at low cost by forming a high-molecular copolymer having a first segment and a second segment on a substrate, contacting a template having a groove with the copolymer, filling the copolymer into the groove of the template, causing a phase separation of the copolymer to form a first phase having the first segment and a second phase having the second segment, releasing the template from the copolymer, and removing the first phase or the second phase of the copolymer.Type: ApplicationFiled: December 23, 2010Publication date: June 30, 2011Inventors: Yoshihisa KAWAMURA, Shinichi Ito
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Publication number: 20110109012Abstract: According to one embodiment, a pattern forming method for imprinting an imprinting surface having recess and protrusion of a template onto an imprint material provided on a target substrate is disclosed. The method includes filling a recess portion of the recess and protrusion with the imprint material. A photo-deformable layer is interposed between at least one of a location between the imprinting surface and the imprint material and a location between the target substrate and the imprint material during the filling. A configuration of the photo-deformable layer is deformable by light irradiation. The method includes curing the imprint material while the recess portion is filled with the imprint material. The method includes releasing the cured imprint material from the imprinting surface by irradiating the photo-deformable layer with light and by deforming the photo-deformable layer. The light has an intensity varying within a plane parallel to the imprinting surface.Type: ApplicationFiled: September 17, 2010Publication date: May 12, 2011Inventors: Yohko FURUTONO, Yoshihisa KAWAMURA
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Publication number: 20110059406Abstract: According to one embodiment, a pattern forming method is disclosed. The method can include selectively providing a curing agent to a pattern in a template, contacting the template provided the curing agent to a substrate, irradiating the curing agent with light where the template and the substrate are contacted each other to harden the curing agent, demolding the template from the substrate to form a curing agent pattern on the substrate, and etching the substrate on a basis of the curing agent pattern.Type: ApplicationFiled: September 9, 2010Publication date: March 10, 2011Inventors: Yoshihisa KAWAMURA, Eishi Shiobara, Shinichi Ito
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Publication number: 20110034029Abstract: According to one embodiment, a pattern formation method is disclosed. The method includes forming a plurality of regions on a foundation and the plurality of the regions correspond to different pattern sizes. The method includes separating each of a plurality of block copolymers from another one of the plurality of the block copolymers and segregating the each of the plurality of the block copolymers into a corresponding one of the regions. The method includes performing a phase separation of the each of the block copolymers of each of the regions. The method includes selectively removing a designated phase of each of the phase-separated block copolymers to form a pattern of the each of the block copolymers and the pattern has a different pattern size for the each of the regions.Type: ApplicationFiled: August 3, 2010Publication date: February 10, 2011Inventors: Kentaro MATSUNAGA, Tomoya Oori, Eishi Shiobara, Yukiko Sato, Yoshihisa Kawamura
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Publication number: 20100102000Abstract: A method for filtering a chemical in which a first chemical stored in a first tank is filtered by a filter and a second chemical obtained by the filtering is stored in a second tank has: adding the capture amounts corresponding to the individual first chemicals first to n-th stored in the first tank, and getting an added capture amount; and comparing the added capture amount and a predetermined limit capture amount of the filter, and exchanging the filter based on the comparison result.Type: ApplicationFiled: September 17, 2009Publication date: April 29, 2010Inventors: Yoshihisa KAWAMURA, Hisako Aoyama, Daizo Mutoh
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Publication number: 20100078860Abstract: An imprint method includes applying a light curable resin on a substrate to be processed, the substrate including first and second regions on which the light curable resin is applied, contacting an imprint mold with the light curable resin, curing the light curable resin by irradiating the light curable resin with light passing through the imprint mold, generating gas by performing a predetermined process to the light curable resin applied on a region of the substrate, the region including at least the first region, wherein an amount of gas generated from the light curable resin applied on the first region is larger than an amount of gas generated from the light curable resin of the second region, and forming a pattern by separating the imprint mold from the light curable resin after the gas being generated.Type: ApplicationFiled: September 21, 2009Publication date: April 1, 2010Inventors: Ikuo Yoneda, Kentaro Matsunaga, Yukiko Kikuchi, Yoshihisa Kawamura, Eishi Shiobara, Shinichi Ito, Tetsuro Nakasugi, Hirokazu Kato