Canon Kabushiki Kaisha

Fujitsu Corporation

Other

Akira Sugiyama

Kenji Takashima

Yoshinori Kotani

Zuyi Zhang

Naoyuki Koketsu

Yuhei Terui

Naoya Isono

Katsuyuki Nonaka

Yukio Hanyu

Yasuhiro Hashimoto

Koji Abe

Tomohiro Saito

Naotake Sato

Masahiko Takahashi

Akiko Takei

Yoshio Iizuka

Toshiaki Igarashi

Satoshi Handa

Shinichirou Harasawa

Minoru Torii

Hitoshi Yasuda

Yohei Masada

Makoto Chida

Taiji Katsura

Takaharu Aotani

Noboru Hamada

Tatsuya Tada

Satoru Yamanaka

Masatoshi Otani

Yoshito Haba

Shintaro Kawaguchi

Izumi Yokota

Hiroyuki Fujii

Hirokazu Usami

Taiichi Takeda

Ryuichi Kimura

Shuang Xu

Koichiro Hojo

An object shaping method includes a step of forming a powder layer using first powder, a step of placing second powder having an average particle diameter smaller than an average particle diameter of the first powder at a part of a region of the powder layer, and a first heating step of heating the powder layer in which the second powder is placed. The average particle diameter is equal to or larger than 1 nm and equal to or smaller than 500 nm, and the first heating step performs heating the powder layer at a temperature at which particles contained in the second powder are sintered or melted.

Shaping method and shaping device

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

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

A control method executed by an information processing device including a memory configured to store information on a plurality of temporary routes set for each kind of service, the control method includes receiving a routing request from a switch among a plurality of switches; extracting, from the memory, a temporary route corresponding to a service related to the routing request when it is determined that processing congestion of the information processing device occurs; setting the extracted temporary route for one or more related switches among the plurality of switches; determining a route corresponding to the service, based on a predetermined condition of the service, when it is determined that the processing congestion of the information processing device has subsided; and setting the determined route for the one or more related switches among the plurality of switches.

Control method, information processing device, and communication system

An optical member including a porous glass layer on a base member is provided, wherein the reflectance is reduced and a ripple is suppressed. The optical member is provided with a base member and a glass layer holding a transparent material in the inside of a porous structure disposed on the base member, wherein in the thickness direction of the glass layer, the porosity in the base member side with respect to the center line of the glass layer in the thickness direction is smaller than the porosity in the side opposite to the base member with respect to the center line of the glass layer in the thickness direction.

Optical member, image pickup apparatus, and method for manufacturing optical member

The present invention provides an optical member having a high transmittance, wherein a composition change of a phase-separable base material glass film is suppressed. A method for manufacturing an optical member provided with a porous glass film on the base member includes the steps of forming a glass powder film containing a glass powder on the base member, forming a phase-separable base material glass film on the base member by heating and fusing the glass powder film in an atmosphere having an oxygen concentration of more than 20%, forming a phase-separated glass film on the base member by heating the base material glass film, and forming a porous glass film on the base member by subjecting the phase-separated glass film to an etching treatment.

Method for manufacturing a porous glass film

The present invention provides an optical member including a porous glass film on a base member, wherein a ripple is suppressed. The optical member includes the base member and the porous glass film disposed on the base member, wherein the porosity increases in the direction from the base member toward the porous glass film in an interfacial region between the base member and the porous glass film and the porosity is continuous in the film thickness direction from the base member to the surface of the porous glass film in the optical member.

An imaging apparatus for imaging a subject image from a lens on an imaging element through an optical filter has a porous body having pores which three dimensionally communicate with each other at least at a side opposite to the imaging element of the optical filter.

Imaging apparatus and image forming apparatus having continuous pores in three dimensions in porous body

The present invention provides a method for producing a porous glass layer easily, wherein a ripple is suppressed. A method for manufacturing an optical member provided with a porous glass layer on a base member includes the steps of forming an intermediate layer containing at least one of silicon, potassium, and aluminum on the base member, forming a phase-separable glass layer on the intermediate layer, forming a phase-separated glass layer on the base member by heating the intermediate layer and the phase-separable glass layer at a temperature higher than or equal to the glass transition temperature of the phase-separable glass layer, and forming a porous glass layer on the base member by subjecting the phase-separated glass layer to an etching treatment.

Method for manufacturing optical member

A method for manufacturing a porous glass includes: forming a phase-separated glass by heating at a temperature in a range of 300 to 500 degrees Celsius for 3 to 50 hours for phase separation of a glass body in which the concentration of SiOis 50 to 70 percent by weight, the concentration of BOis 15 to 40 percent by weight, the concentration of LiO is 1.0 to 8.0 percent by weight, the concentration of NaO is 2.0 to 8.0 percent by weight, the concentration of KO is 0.3 to 5.0 percent by weight, the total concentration of LiO, NaO, and KO is 3.5 to 15 percent by weight, and the ratio of the concentration of KO to the total concentration of LiO, NaO, and KO is 0.10 to 0.30; and forming a porous glass by etching the phase-separated glass.

Method for manufacturing porous glass, and method for manufacturing optical element

This invention provides a porous glass with a varied porous structure that shows an excellent optical performance. A method of manufacturing a porous glass comprising: a first step of forming a surface layer containing a boron compound and an alkali metal compound as main ingredients on a matrix glass containing a silicon oxide, a boron oxide and an alkali metal oxide; a second step of heat treatment the matrix glass and the surface layer for phase separation to form a phase-separated glass; and a third step of acid treatment the phase-separated glass to form the porous glass having pores.

Growing community of inventors

Yokohama, Japan

Akira Sugiyama