Canon Kabushiki Kaisha

Yukio Hanyu

Masanobu Asaoka

Tadashi Mihara

Katsutoshi Nakamura

Yasuto Kodera

Osamu Taniguchi

Yoshio Hotta

Yutaka Inaba

Akira Tsuboyama

Takayuki Teshima

Koichi Sato

Yasufumi Asao

Kazumichi Nakahama

Toshiharu Uchimi

Hideaki Takao

Makoto Kojima

Akira Sugiyama

Masahiro Terada

Kenji Shinjo

Nobuhiro Ito

Hideyuki Kawagishi

Kenji Onuma

Tomohiro Saito

Takatsugu Wada

Sunao Mori

Naotake Sato

Shinjiro Okada

Junichiro Kanbe

Takashi Moriyama

Masataka Yamashita

Ikuo Nakazawa

Masahiko Takahashi

Koji Noguchi

Yasuaki Takeda

Kazuharu Katagiri

Ryuji Higashi

Hirokatsu Miyata

Akio Yoshida

Shinichi Nakamura

Takao Takiguchi

Yasuyuki Tamura

Kenji Yamada

Kazuo Yoshinaga

Akira Kuriyama

Hirohide Munakata

Hideyuki Sugioka

Syuji Yamada

Shoji Ihara

Masayuki Tanabe

Toshiki Ito

Yasushi Shimizu

Takeshi Togano

Takashi Iwaki

Hidemasa Mizutani

Shosei Mori

Masayuki Ikegami

Yasuhiro Sekine

Hironori Yamamoto

Tetsuo Hino

Hiroyuki Kitayama

Hironobu Mizuno

Mineto Yagyu

Miki Ogawa

Tatsuya Tada

Satoru Yamanaka

Tomonari Horikiri

Kouki Nukanobu

Yukiko Futami

Mayumi Yoshioka

Toshihiko Hiaki

Kiwamu Sue

Hayato Hattori

Mamoru Sakashita

A three-dimensional object is obtained by repeating multiple times forming a ceramic powder layer formed of a ceramic powder and applying to a desired region of the ceramic powder layer a liquid precursor composition at least containing at least any one of a metal alkoxide, a metal chloride, a hydrolysate of the metal alkoxide and a polycondensate of the hydrolysate, and water, thereby obtaining a laminated body; subsequently heating the laminated body at a temperature lower than the sintering temperature of the ceramic powder; and removing the ceramic particle in a region to which the precursor composition has not been applied.

Method of producing three-dimensional object and production apparatus used therefor

An additive manufacturing apparatus in which a streak in a manufacturing direction is difficult to be made on the surface of a product manufactured object in a boundary region of projection regions of exposure images is provided. In this apparatus, a vessel holds a photosetting liquid resin material, a first projector makes a first exposure image incident from an incident surface and projects it into the resin material, a second projector makes a second exposure image, continuous with the first exposure image, incident from the incident surface and projects it into the resin material, and a controlling unit adjusts on a projection surface a boundary region between a first projection image obtained by projecting the first exposure image by the first projector and a second projection image obtained by projecting the second exposure image by the second projector.

Additive manufacturing apparatus

A shaping plate to be set on a shaping stage of a shaping system for performing shaping by an additive manufacturing method includes a water-insoluble base substrate and an underlying layer containing a water-soluble material on at least one surface of the base substrate, wherein the base substrate has a plurality of through holes that extend in the direction intersecting the surface provided with the underlying layer.

Shaping plate and method for shaping three-dimensional object by using the same

A powder contains particles containing a water-soluble material and a water-insoluble material. When dependence on temperature of a storage elastic modulus and a loss elastic modulus of a cylindrical compact of the powder in a shear direction, the cylindrical compact having a diameter of 10 mm and a thickness of 1 mm, is measured with a rotational rheometer at an angular frequency of 1 Hz and a rate of temperature increase of 2&#xb0; C./min, letting a temperature at which the storage elastic modulus is 1 MPa be T&#xb0; C., the storage elastic modulus is always higher than the loss elastic modulus in a temperature range of T&#xb0; C. to (T+10)&#xb0; C.

Powder, thermoplastic composition, and method for producing three-dimensional object

A method of producing a three-dimensional shaped article includes a step of forming particle layers by arranging particles containing a material for forming a shaped article and particles containing a material having higher solubility in fluid than the material for forming the shaped article, a step of forming a stack by melting and stacking the particle layers, and a step of removing the material having higher solubility in the fluid than the material for forming the shaped article from the stack by dissolving the material having higher solubility in the fluid than the material for forming the shaped article in the fluid.

Method of producing three-dimensional shaped article

Provided is a method of producing a three-dimensional object, including: a first step of placing and laminating a water-insoluble structural material and a support material each containing a water-soluble material and a fiber material to form a material layer; and a second step of bringing a portion of the shaped object including the support material into contact with a liquid containing water and a bipolar surfactant to remove the portion.

Method of producing three-dimensional object and removing liquid to be used in the production method

Provided are constituent particles containing a water-soluble material with high flowability in the form of powder, the constituent particles being capable of forming a support member that can be removed with a water-containing solvent in a process for producing a three-dimensional object. The constituent particles used for the production of a three-dimensional object each include a core and a shell that covers at least part of a surface of the core, the core containing a water-soluble material most abundantly, and a material contained in the shell most abundantly having a lower water solubility than the water-soluble material contained in the core.

Constituent particles used for production of three-dimensional object, powder including constituent particles, and method for producing three-dimensional object from constituent particles

An imprint apparatus of the present invention that molds and cures an imprint material on a substrate using a mold to form a pattern on the substrate. The imprint apparatus includes a supply unit configured to supply a gas into a gap between the imprint material on the substrate and the mold. The supply unit is configured to supply a mixed gas in which a permeable gas, which permeates at least one of the mold, the imprint material and the substrate, and a condensable gas, which is liquefied under a pressure generated by the molding, is mixed with each other.

Imprint apparatus and article manufacturing method

In a method for manufacturing a dispersion which includes a dispersion medium and particles dispersed therein, the method includes bringing at least two types of liquids into contact with each other to form a reaction product comprising the particles, wherein the liquids are ejected from respective nozzles to be brought into contact with each other and then to flow in an integrated manner while forming a spiral flow.

Method for manufacturing dispersion and liquid mixing device

A method for producing a liquid composition containing pigment particles is provided including (1) maintaining a mixture of a solvent and pigments of at least two types including a pigment A insoluble in the solvent at a normal temperature and a normal pressure, and a pigment B soluble in the solvent at the normal temperature and the normal pressure, at a temperature exceeding the normal temperature and a pressure exceeding the normal pressure, thereby obtaining a pigment solution in which the pigment A and the pigment B are dissolved; and (2) cooling the pigment solution to a temperature precipitating a deposition of the pigment A or lower, thereby precipitating pigment particles containing the pigment A and the pigment B.

Method for producing liquid composition and pigment particles and ink composition for ink jet recording

A process for producing a liquid composition including a pigment and a stimuli-responsive dispersant, the pigment being contained in the liquid composition in a dispersed state, the process including (1) obtaining a solution dissolving the pigment in a first solvent and (2) mixing the solution with a second solvent, wherein the stimuli-responsive dispersant is contained in at least one solvent of the first and second solvents. The first solvent is an aprotic solvent. The second solvent is water or an aqueous solution.

Production process of liquid composition, image forming process and image forming apparatus

The present invention provides a method of producing a pigment dispersion, comprising the steps of: preparing a solution in which two or more color pigments and a dispersant are dissolved in a solvent containing an aprotic organic solvent in the presence of an alkali; preparing a medium that decreases a solubility of the two or more color pigments by being added to the solution; feeding the solution and the medium to respective microchannels; and depositing the two or more color pigments by merging the solution and the medium transported through the respective microchannels.

Method of producing pigment dispersion

A process for preparing a pigment dispersion, which comprises mixing a first solvent composed of an organic solvent in which a pigment has been dissolved with a second solvent which lowers the solubility of the pigment in the presence of a dispersant, thereby precipitating and dispersing particles of the pigment in a mixed solvent, wherein a pigment derivative to which a hydrophobic substituent having affinity for the first solvent has been bonded is used as the pigment.

Preparation process of pigment dispersion, image forming process and image forming apparatus

Growing community of inventors

Isehara, Japan

Yukio Hanyu