Patents by Inventor Junichi Seki
Junichi Seki 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: 8246887Abstract: An imprint method includes (i) holding a mold by a first holding portion, (ii) holding, by a second holding portion, a member to be processed so that the member to be processed is capable of bending by its own weight, (iii) supporting, by a support portion, a back surface of the member to be processed in a first area so that an amount of the bending is decreased, (iv) pressing a pattern of the mold against a front surface of the member to be processed, which is supported by the support portion in the first area, (v) supporting, by the support portion, the back surface of the member to be processed in a second area different from the first area, so that the amount of the bending is decreased, by changing a relative position between the member to be processed and the support portion, and (vi) pressing the pattern of the mold against the front surface of the member to be processed, which is supported by the support portion in the second area.Type: GrantFiled: October 22, 2007Date of Patent: August 21, 2012Assignee: Canon Kabushiki KaishaInventors: Junichi Seki, Masao Majima, Nobuhito Suehira
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Patent number: 8202075Abstract: An imprint apparatus for imprinting a pattern formed on a mold in a resin material formed on a substrate with accuracy is constituted by a light source for irradiating the resin material with light for curing the resin material; a measuring device for measuring a physical value which reflects a state of the resin material resulting from the irradiation of light from the light source; and a controller for controlling a spatial positional relationship between the mold and the substrate or an amount of light from the light source on the basis of information obtained from the measuring device.Type: GrantFiled: August 3, 2006Date of Patent: June 19, 2012Assignee: Canon Kabushiki KaishaInventors: Nobuhito Suehira, Junichi Seki, Masao Majima
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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
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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
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Publication number: 20110284499Abstract: In order to alleviate or suppress curing of a photocurable resin material in an area in which the curing of the photocurable resin material is not intended, exposure of the photocurable resin material to light is suppressed through a non-pattern portion at which a light-blocking member is provided by means of a mold having an imprint pattern portion and the non-pattern portion or is suppressed by disposing a light-blocking member so as not to irradiate the photocurable resin material with light not via the mold.Type: ApplicationFiled: August 1, 2011Publication date: November 24, 2011Applicant: CANON KABUSHIKI KAISHAInventors: Nobuhito Suehira, Junichi Seki
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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
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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
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Patent number: 8047828Abstract: An imprint apparatus for imprinting a pattern provided to a mold onto a substrate or a member on the substrate includes a light source for irradiating a surface of the mold disposed opposite to the substrate and a surface of the substrate with light; an optical system for guiding the light from the light source to the surface of the mold and the surface of the substrate and guiding reflected lights from these surfaces to a spectroscope; a spectroscope for dispersing the reflected lights guided by the optical system into a spectrum; and an analyzer for analyzing a distance between the surface of the mold and the surface of the substrate. The analyzer calculates the distance between the surface of the mold and the surface of the substrate by measuring a distance between the surface of the mold and a surface formed at a position away from the surface of the mold.Type: GrantFiled: October 18, 2006Date of Patent: November 1, 2011Assignee: Canon Kabushiki KaishaInventors: Nobuhito Suehira, Junichi Seki, Hideki Ina
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Patent number: 8035089Abstract: In a scanning probe apparatus capable of always effectively canceling an inertial force to suppress vibration even in repetitive use while replacing a sample holding table or a probe, a stage for a sample or the probe includes a drive element for moving the sample holding table and movable portions movable in a direction in which an inertial force generated during movement of the sample holding table. The stage is configured so that the drive element, the movable portions, and the sample holding table or the probe are integrally detachably mountable to a main assembly of the scanning probe apparatus.Type: GrantFiled: May 29, 2009Date of Patent: October 11, 2011Assignee: Canon Kabushiki KaishaInventors: Takao Kusaka, Nobuki Yoshimatsu, Susumu Yasuda, Junichi Seki
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Patent number: 8011916Abstract: In order to alleviate or suppress curing of a photocurable resin material in an area in which the curing of the photocurable resin material is not intended, exposure of the photocurable resin material to light is suppressed through a non-pattern portion at which a light-blocking member is provided by means of a mold having an imprint pattern portion and the non-pattern portion or is suppressed by disposing a light-blocking member so as not to irradiate the photocurable resin material with light not via the mold.Type: GrantFiled: August 31, 2006Date of Patent: September 6, 2011Assignee: Canon Kabushiki KaishaInventors: Nobuhito Suehira, Junichi Seki
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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
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Patent number: 7985061Abstract: An imprint apparatus in which a mold having a processing surface on which a predetermined imprint is formed is provided and an uncured resin material placed on a substrate is filled and cured in a space between the mold and the substrate and is subjected to imprint of the predetermined imprint formed on the processing surface of the mold. The imprint apparatus includes an attitude control mechanism for controlling attitudes of the mold and the substrate so that a first gap between a first end of the mold and the substrate and a second gap between a second end of the mold and the substrate are different from each other, and a measuring mechanism for measuring attitudes and positions of the mold and the substrate. Also provided is a mechanism for imparting a relative movement between the substrate and the mold so that the resin material approaches the first end of the mold and enters through the first gap and fills at least a part of the space between the mold and the substrate.Type: GrantFiled: March 18, 2010Date of Patent: July 26, 2011Assignee: Canon Kabushiki KaishaInventors: Nobuhito Suehira, Junichi Seki, Shingo Okushima
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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
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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
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Patent number: 7927089Abstract: A deformable mold includes a first surface at which an imprinting pattern is formed. The imprinting pattern (i) is used to imprint a pattern on a substrate and (ii) has a variable size, which varies based on an amount of deformation of the imprinting pattern. A second surface is located opposite from the first surface in a direction of thickness of the mold. A plurality of heat generating members that generate heat have a permeability to ultraviolet light and are disposed at one of (i) the second surface and (ii) between the first surface and the second surface, and the plurality of heat generating members directly contact the mold in order to control the amount of deformation of the imprinting pattern to vary the size of the imprinting pattern. A controller independently controls the plurality of heat generating members and the controller controls at least one of the heat generating members so as to effect anisotropic size correction of the mold in an in-plane direction of the mold.Type: GrantFiled: June 7, 2006Date of Patent: April 19, 2011Assignee: Canon Kabushiki KaishaInventors: Junichi Seki, Masao Majima, Nobuhito Suehira
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Publication number: 20110042348Abstract: An imprint method for imprinting an imprint pattern of a mold onto a pattern formation material on a substrate so as to realize a high throughput includes the steps of bringing the imprint pattern and the pattern formation material into contact with each other; applying a first pressure between the mold and the substrate to increase a contact area between the imprint pattern and the pattern formation material; and adjusting a positional relationship between the mold and the substrate at a second pressure lower than the first pressure.Type: ApplicationFiled: September 30, 2010Publication date: February 24, 2011Applicant: CANON KABUSHIKI KAISHAInventors: Junichi Seki, Nobuhito Suehira
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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
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Patent number: 7884935Abstract: A pattern transfer apparatus transfers an imprint pattern formed on a mold, provided with an alignment mark, to a resin material on a substrate, provided with an alignment mark. A first image pickup device obtains an image of an object positioned at a first object position. A second image pickup device obtains an image of an object positioned at a second object position. The second object position is more distant from the alignment mark of the mold than the first object position. An optical system forms an image of an object positioned at the first object position and an image of an object positioned at the second object position. Alignment is performed based on first and second information obtained about positions of images of an alignment mark of a reference substrate and an alignment mark of the substrate, to transfer the imprinting pattern to the resin material.Type: GrantFiled: April 18, 2007Date of Patent: February 8, 2011Assignee: Canon Kabushiki KaishaInventors: Nobuhito Suehira, Junichi Seki, Hideki Ina, Koichi Sentoku
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Patent number: 7862761Abstract: A pattern forming method for forming a pattern on a pattern forming material on a substrate by using an imprint pattern provided to a mold is constituted by preparing a substrate having thereon a pattern forming area, disposing the pattern forming material placed in an uncured state in the pattern forming area in a dispersion state at a plurality of positions at different intervals, and curing the pattern forming material in a state in which the pattern forming material is deformed in a shape corresponding to a shape of the imprint pattern provided to the mold.Type: GrantFiled: May 24, 2007Date of Patent: January 4, 2011Assignee: Canon Kabushiki KaishaInventors: Shingo Okushima, Junichi Seki
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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