Patents by Inventor Atsunori Terasaki
Atsunori Terasaki 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).
-
Publication number: 20140120199Abstract: A mold capable of a highly accurate alignment with a member to be processed in such a state that a photocurable resin material is disposed between the mold and the member to be processed, and is constituted by a substrate 2010 formed of a first material and an alignment mark 2102 formed of a second material different from the first material. The first material and the second material have transmissivities to light in a part of an ultraviolet wavelength range. The second material has a refractive index of not less than 1.7.Type: ApplicationFiled: January 6, 2014Publication date: May 1, 2014Applicant: CANON KABUSHIKI KAISHAInventors: Atsunori TERASAKI, Junichi SEKI, Nobuhito SUEHIRA, Hideki INA, Shingo OKUSHIMA
-
Patent number: 8668484Abstract: A mold capable of a highly accurate alignment with a member to be processed in such a state that a photocurable resin material is disposed between the mold and the member to be processed, and is constituted by a substrate 2010 formed of a first material and an alignment mark 2102 formed of a second material different from the first material. The first material and the second material have transmissivities to light in a part of an ultraviolet wavelength range. The second material has a refractive index of not less than 1.7.Type: GrantFiled: February 18, 2009Date of Patent: March 11, 2014Assignee: Canon Kabushiki KaishaInventors: Atsunori Terasaki, Junichi Seki, Nobuhito Suehira, Hideki Ina, Shingo Okushima
-
Patent number: 8568639Abstract: In order to provide a mold and an imprint apparatus which permit adjustment of a depth of an imprint pattern after the imprint pattern is formed, the mold is constituted by a mold substrate including a first material and a surface layer, constituting a projection of the mold and including a second material, for forming a pattern on the photocurable resin material. The first material is more etchable than the second material. The first material and the second material have optical transmittances capable of curing the photocurable resin material with respect to at least a part of wavelength range of ultraviolet light.Type: GrantFiled: April 26, 2011Date of Patent: October 29, 2013Assignee: Canon Kabushiki KaishaInventors: Atsunori Terasaki, Junichi Seki, Nobuhito Suehira, Hideki Ina
-
Patent number: 8562846Abstract: A mold capable of a highly accurate alignment with a member to be processed in such a state that a photocurable resin material is disposed between the mold and the member to be processed, and is constituted by a substrate 2010 formed of a first material and an alignment mark 2102 formed of a second material different from the first material. The first material and the second material have transmissivities to light in a part of an ultraviolet wavelength range. The second material has a refractive index of not less than 1.7.Type: GrantFiled: July 1, 2011Date of Patent: October 22, 2013Assignee: Canon Kabushiki KaishaInventors: Atsunori Terasaki, Junichi Seki, Nobuhito Suehira, Hideki Ina, Shingo Okushima
-
Patent number: 8518725Abstract: A method for processing a silicon substrate includes providing a combination of a first silicon substrate, a second silicon substrate, and an intermediate layer including a plurality of recessed portions, which is provided between the first silicon substrate and the second silicon substrate, forming a first through hole that goes through the first silicon substrate by executing etching of the first silicon substrate on a surface of the first silicon substrate opposite to a bonding surface with the intermediate layer by using a first mask, and exposing a portion of the intermediate layer corresponding to the plurality of recessed portions of the intermediate layer, forming a plurality of openings on the intermediate layer by removing a portion constituting a bottom of the plurality of recessed portions, and forming a second through hole that goes through the second silicon substrate by executing second etching of the second silicon substrate by using the intermediate layer on which the plurality of openings arType: GrantFiled: January 13, 2011Date of Patent: August 27, 2013Assignee: Canon Kabushiki KaishaInventors: Atsunori Terasaki, Masahiko Kubota, Ryoji Kanri, Yoshiyuki Fukumoto
-
Patent number: 8404169Abstract: An imprint apparatus for pressing resin and a mold to each other in a Z-axis direction to form a resin pattern on a shot region includes: a mold chuck; an X-Y stage; a reference mark formed on the stage; a first scope configured to measure a positional deviation in an x-y plane between a mold mark and the reference mark; a second scope configured to measure a position of a substrate mark in the plane not via the mold mark; and a dispenser configured to dispense resin. In the plane, the dispenser center is deviated in position from the mold chuck center by a first distance in a first direction, and the second scope center is deviated in position from the dispenser center by a distance smaller than twice the first distance in the first direction or a second direction opposite thereto.Type: GrantFiled: September 24, 2009Date of Patent: March 26, 2013Assignee: Canon Kabushiki KaishaInventors: Eigo Kawakami, Hideki Ina, Junichi Seki, Atsunori Terasaki, Shingo Okushima, Motoki Okinaka
-
Patent number: 8361336Abstract: An imprint method for imprinting a pattern of a mold onto a resin material on a substrate. The imprint method includes a step of forming a processed area in which an imprint pattern corresponding to the pattern of the mold is formed, and an outside area formed of a periphery of the processed area, by bringing the mold into contact with the resin material formed on the substrate, so that a portion of the resin material is extruded from the processed area into the outside area, a step of forming a protection layer for protecting the processed area, and a step of removing a layer of the resin material in the outside area, while the imprint pattern formed on a layer of the resin material in the processed area, is protected by the protection layer, so as not to be removed.Type: GrantFiled: August 1, 2008Date of Patent: January 29, 2013Assignee: Canon Kabushiki KaishaInventors: Shingo Okushima, Junichi Seki, Haruhito Ono, Nao Nakatsuji, Atsunori Terasaki
-
Patent number: 8308471Abstract: A mold for imprinting a pattern onto a member to be processed. The mold includes a mold body having a front surface, at which an imprint pattern is formed, and a rear surface opposite from the front surface. A coating layer covers the front surface of the mold body, and a coating layer covers the rear surface of the mold body. An alignment mark as an object to be subjected to optical observation is provided at the front surface of the mold body. The coating layer for covering the rear surface includes (i) a hole for observation of the alignment mark and (ii) a stress adjusting pattern corresponding to a density of the imprint pattern. The hole for observation is formed at the rear surface of the mold body opposite from the alignment mark, and the stress adjusting pattern is formed at the rear surface of the mold body opposite from the imprint pattern.Type: GrantFiled: March 14, 2008Date of Patent: November 13, 2012Assignee: Canon Kabushiki KaishaInventors: Atsunori Terasaki, Junichi Seki
-
Publication number: 20120282715Abstract: A method for processing a silicon substrate includes providing a combination of a first silicon substrate, a second silicon substrate, and an intermediate layer including a plurality of recessed portions, which is provided between the first silicon substrate and the second silicon substrate, forming a first through hole that goes through the first silicon substrate by executing etching of the first silicon substrate on a surface of the first silicon substrate opposite to a bonding surface with the intermediate layer by using a first mask, and exposing a portion of the intermediate layer corresponding to the plurality of recessed portions of the intermediate layer, forming a plurality of openings on the intermediate layer by removing a portion constituting a bottom of the plurality of recessed portions, and forming a second through hole that goes through the second silicon substrate by executing second etching of the second silicon substrate by using the intermediate layer on which the plurality of openings arType: ApplicationFiled: January 13, 2011Publication date: November 8, 2012Applicant: CANON KABUSHIKI KAISHAInventors: Atsunori Terasaki, Masahiko Kubota, Ryoji Kanri, Yoshiyuki Fukumoto
-
Patent number: 8178026Abstract: A nanoimprinting method includes: forming at a region for performing a first nanoimprinting process on a substrate, a first patterning region with a first affinity to resin; forming at a region for performing a second nanoimprinting process on the substrate, a second patterning region with a second affinity to resin, the second affinity being lower than the first affinity; applying the resin to the first patterning region and transferring a pattern of a mold to the resin by the first nanoimprinting process; and modifying the second patterning region to a region with affinity to resin that is higher than the second affinity, then applying the resin to the modified region, and performing the second nanoimprinting process to process the second patterning region thereby connecting patterns formed at the first patterning region and the second patterning region to each other.Type: GrantFiled: March 17, 2009Date of Patent: May 15, 2012Assignee: Canon Kabushiki KaishaInventors: Motoki Okinaka, Junichi Seki, Atsunori Terasaki, Shingo Okushima
-
Patent number: 8138088Abstract: A manufacturing method of a structure by an imprint process includes a first imprint step of forming a first resin material layer by applying a first resin material onto a substrate and then transferring an imprint pattern of a mold onto the first resin material layer, a second imprint step of forming a second resin material layer by applying a second resin material onto the first resin material layer formed in the first imprint step and onto an area of the substrate adjacent to the first resin material layer and then transferring the imprint pattern of the mold onto the second resin material layer, and a step of forming a pattern by etching the first and second resin material layers.Type: GrantFiled: January 29, 2009Date of Patent: March 20, 2012Assignee: Canon Kabushiki KaishaInventors: Atsunori Terasaki, Shingo Okushima, Junichi Seki
-
Publication number: 20120028383Abstract: A processing method of a silicon substrate including forming a second opening in a bottom portion of a first opening using a patterning mask having a pattern opening by plasma reactive ion etching. The reactive ion etching is performed with a shield structure formed in or on the silicon substrate, the shield structure preventing inside of the first opening from being exposed to the plasma.Type: ApplicationFiled: July 20, 2011Publication date: February 2, 2012Applicant: CANON KABUSHIKI KAISHAInventors: Atsushi Hiramoto, Masahiko Kubota, Ryoji Kanri, Akihiko Okano, Yoshiyuki Fukumoto, Atsunori Terasaki
-
Publication number: 20110278259Abstract: A mold capable of a highly accurate alignment with a member to be processed in such a state that a photocurable resin material is disposed between the mold and the member to be processed, and is constituted by a substrate 2010 formed of a first material and an alignment mark 2102 formed of a second material different from the first material. The first material and the second material have transmissivities to light in a part of an ultraviolet wavelength range. The second material has a refractive index of not less than 1.7.Type: ApplicationFiled: July 1, 2011Publication date: November 17, 2011Applicant: CANON KABUSHIKI KAISHAInventors: Atsunori TERASAKI, Junichi SEKI, Nobuhito SUEHIRA, Hideki INA, Shingo OKUSHIMA
-
Publication number: 20110272840Abstract: A light transmissive mold used for imprinting a pattern onto a material applied on a semiconductor workpiece. The mold includes a first surface having an area of a pattern to be imprinted onto the material, a second surface located opposite from the first surface, and a third surface disposed between the first surface and the second surface, at a position inwardly away from the first surface. The third surface is arranged opposite to an area of the workpiece subjected to dicing. An alignment structure, provided for alignment between the mold and the workpiece, is formed in the third surface.Type: ApplicationFiled: June 6, 2011Publication date: November 10, 2011Applicant: CANON KABUSHIKI KAISHAInventors: Nobuhito Suehira, Junichi Seki, Masao Majima, Atsunori Terasaki, Hideki Ina
-
Publication number: 20110198783Abstract: In order to provide a mold and an imprint apparatus which permit adjustment of a depth of an imprint pattern after the imprint pattern is formed, the mold is constituted by a mold substrate including a first material and a surface layer, constituting a projection of the mold and including a second material, for forming a pattern on the photocurable resin material. The first material is more etchable than the second material. The first material and the second material have optical transmittances capable of curing the photocurable resin material with respect to at least a part of wavelength range of ultraviolet light.Type: ApplicationFiled: April 26, 2011Publication date: August 18, 2011Applicant: CANON KABUSHIKI KAISHAInventors: Atsunori TERASAKI, Junichi SEKI, Nobuhito SUEHIRA, Hideki INA
-
Patent number: 7981304Abstract: A mold capable of a highly accurate alignment with a member to be processed in such a state that a photocurable resin material is disposed between the mold and the member to be processed, and is constituted by a substrate 2010 formed of a first material and an alignment mark 2102 formed of a second material different from the first material. The first material and the second material have transmissivities to light in a part of an ultraviolet wavelength range. The second material has a refractive index of not less than 1.7.Type: GrantFiled: February 18, 2009Date of Patent: July 19, 2011Assignee: Canon Kabushiki KaishaInventors: Atsunori Terasaki, Junichi Seki, Nobuhito Suehira, Hideki Ina, Shingo Okushima
-
Patent number: 7960090Abstract: A pattern forming method includes a step of forming a pattern of a resist on a surface of a thin film formed on the base material; a step of forming a reverse layer on the pattern of the resist; a step of forming a reverse pattern, of the reverse layer complementary to the pattern of the resist by removing the resist after removing the reverse layer to expose a surface of the resist; a step of forming a hard mask layer including the thin film, on which the reverse layer is formed, by etching the thin film through the reverse pattern of the reverse layer as a mask; and a step of etching the base material through, as a mask, the hard mask layer on which the reverse layer remains or the hard mask layer on which the reverse layer has been removed.Type: GrantFiled: May 21, 2008Date of Patent: June 14, 2011Assignee: Canon Kabushiki KaishaInventors: Atsunori Terasaki, Junichi Seki
-
Publication number: 20110052800Abstract: A process of producing a grating to be used in an X-ray image pickup apparatus includes the steps of preparing a grating having a plurality of protrusions periodically arranged, curving the grating in the direction in which the plurality of protrusions is arranged, and filling spaces between the protrusions with a metal in a state that the grating is curved.Type: ApplicationFiled: August 18, 2010Publication date: March 3, 2011Applicant: CANON KABUSHIKI KAISHAInventors: Yutaka Setomoto, Atsunori Terasaki
-
Publication number: 20110042352Abstract: An imprint method for imprinting a pattern of a mold onto a resin material on a substrate. The imprint method includes a step of forming a processed area in which an imprint pattern corresponding to the pattern of the mold is formed, and an outside area formed of a periphery of the processed area, by bringing the mold into contact with the resin material formed on the substrate, so that a portion of the resin material is extruded from the processed area into the outside area, a step of forming a protection layer for protecting the processed area, and a step of removing a layer of the resin material in the outside area, while the imprint pattern formed on a layer of the resin material in the processed area, is protected by the protection layer, so as not to be removed.Type: ApplicationFiled: August 1, 2008Publication date: February 24, 2011Applicant: CANON KABUSHIKI KAISHAInventors: Shingo Okushima, Junichi Seki, Haruhito Ono, Nao Nakatsuji, Atsunori Terasaki
-
Publication number: 20100314799Abstract: A pattern forming method for forming an imprinted pattern on a coating material disposed on a substrate with a pattern provided to a mold. The method includes preparing a mold provided with a first surface including a pattern area, a second surface located opposite from the first surface, and an alignment mark provided at a position at which the alignment mark is away from the first surface, contacting the pattern area of the mold with the coating material disposed on the substrate, obtaining information about positions of the mold and the substrate by using the alignment mark and a mark provided to the substrate in a state in which the coating material is disposed on the substrate at a portion where the alignment mark and the substrate are opposite to each other, and effecting alignment of the substrate with the mold in an in-plane direction of the pattern area, on the basis of the information in a state in which the pattern area and the coating material contact each other.Type: ApplicationFiled: July 23, 2010Publication date: December 16, 2010Applicant: CANON KABUSHIKI KAISHAInventors: Nobuhito Suehira, Junichi Seki, Masao Majima, Atsunori Terasaki, Hideki Ina