公开(公告)号：US20220033664A1

公开(公告)日：2022-02-03

申请号：US17389832

申请日：2021-07-30

Applicant: SEIKO EPSON CORPORATION

Inventor： Kozo SHITAGAMI ,  Eiji OKAMOTO ,  Akihiko TSUNOYA

IPC: C09D11/037 ,  C09D11/12 ,  C09D11/108 ,  B33Y70/00

Abstract: A molding composition contains a powder, a wax, an adhesive component, a molding component, and a plasticizer, in which a melt flow rate of the adhesive component at 190° C. is 200 g/10 min or more, and a density of the plasticizer is 1.0 g/cm3 or less.

公开(公告)号：US20220001605A1

公开(公告)日：2022-01-06

申请号：US17477153

申请日：2021-09-16

Applicant: SEIKO EPSON CORPORATION

Inventor： Eiji OKAMOTO ,  Shinichi NAKAMURA ,  Koki HIRATA

IPC: B29C64/165 ,  B29C64/245 ,  B29C64/20 ,  B33Y10/00 ,  B22F10/20 ,  B22F7/00 ,  B33Y80/00 ,  B33Y30/00

Abstract: A three-dimensionally shaped article production member is a member used in a three-dimensionally shaped article production apparatus for producing a three-dimensionally shaped article by stacking a layer formed using a composition containing particles. The member is placed on a stage and comes in contact with the layer, and has a portion provided with pores in a contact surface with the layer.

公开(公告)号：US20210162730A1

公开(公告)日：2021-06-03

申请号：US17165604

申请日：2021-02-02

Applicant: SEIKO EPSON CORPORATION

Inventor： Eiji OKAMOTO ,  Masaya ISHIDA ,  Toshimitsu HIRAI

IPC: B33Y10/00 ,  B29C64/112 ,  B29C64/153 ,  B29C64/165 ,  B22F1/00 ,  B29C64/321 ,  B22F12/00 ,  B33Y30/00 ,  B33Y70/00

Abstract: A method of manufacturing a three-dimensionally formed object includes: forming a layer using a flowable composition including constituent material particles of a three-dimensionally formed object and a flowable composition including support portion-forming particles for forming a support portion which supports the three-dimensionally formed object during the formation of the three-dimensionally formed object; and imparting energy to the constituent material particles and the support portion-forming particles, in which in the imparting of the energy, the energy is imparted such that a temperature of the constituent material particles and a temperature of the support portion-forming particles are equal to or higher than a melting point of the constituent material particles and are lower than a melting point of the support portion-forming particles.

公开(公告)号：US20210154743A1

公开(公告)日：2021-05-27

申请号：US17165004

申请日：2021-02-02

Applicant: SEIKO EPSON CORPORATION

Inventor： Eiji OKAMOTO ,  Masaya ISHIDA ,  Toshimitsu HIRAI

IPC: B22F12/00 ,  B22F3/11 ,  B22F3/10 ,  B23K26/342 ,  B23K26/144 ,  B29C64/106

Abstract: A method of manufacturing a three-dimensionally formed object includes: forming a layer using a flowable composition including constituent material particles of a three-dimensionally formed object and a flowable composition including support portion-forming particles for forming a support portion which supports the three-dimensionally formed object during the formation of the three-dimensionally formed object; and imparting energy to the constituent material particles and the support portion-forming particles, in which in the imparting of the energy, the energy is imparted such that a temperature of the constituent material particles and a temperature of the support portion-forming particles are equal to or higher than a sintering temperature of the constituent material particles and are lower than a sintering temperature of the support portion-forming particles.

公开(公告)号：US20200062978A1

公开(公告)日：2020-02-27

申请号：US16489318

申请日：2018-01-18

Applicant: Seiko Epson Corporation

Inventor： Takeshi MIYASHITA ,  Eiji OKAMOTO ,  Akihiko TSUNOYA ,  Naoko SHIMA ,  Makoto KATO

IPC: C09D11/322 ,  B33Y10/00 ,  B33Y70/00 ,  B22F3/105 ,  B29C64/165 ,  C09D11/36 ,  C09D11/037 ,  C09D11/033 ,  C09D11/106 ,  C09D11/107

Abstract: A three-dimensional shaped article producing composition is provided and contains a plurality of particles, a solvent for dispersing the particles, and a binder having a function to temporarily bind the particles to one another in a state where the solvent is removed, wherein a volume-based average particle diameter of the particles is 0.1 μm or more and less than 50 μm, and a content ratio of the binder is 1.5 vol % or more and 10 vol % or less.

公开(公告)号：US20180250877A1

公开(公告)日：2018-09-06

申请号：US15911589

申请日：2018-03-05

Applicant: Seiko Epson Corporation

Inventor： Eiji OKAMOTO ,  Akihiko TSUNOYA ,  Masaya ISHIDA

IPC: B29C64/165 ,  B29C64/209 ,  B29C64/336

Abstract: There is provided a paste for use in producing a three-dimensional shaped article, the paste containing a solvent, a binder that is soluble in the solvent, support layer forming first particles, and a material having a decomposition temperature lower than a sintering temperature of the support layer forming first particles, in which the material is contained in a volume of greater than or equal to 20% and less than or equal to 60% with respect to a total volume of the support layer forming first particles and the material being 100%. By using such a paste, a highly accurate three-dimensional shaped article can be produced.

公开(公告)号：US20180093326A1

公开(公告)日：2018-04-05

申请号：US15700653

申请日：2017-09-11

Applicant: Seiko Epson Corporation

Inventor： Masaya ISHIDA ,  Eiji OKAMOTO ,  Akihiko TSUNOYA

IPC: B22F3/11 ,  B22F3/00 ,  B33Y10/00 ,  B33Y70/00 ,  B33Y40/00 ,  B29C64/165 ,  B29C64/40

CPC classification number: B22F3/1121 ,  B22F1/0059 ,  B22F3/008 ,  B22F3/1021 ,  B29C64/112 ,  B29C64/165 ,  B29C64/30 ,  B29C64/40 ,  B29K2033/12 ,  B29K2077/00 ,  B29K2105/04 ,  B33Y10/00 ,  B33Y40/00 ,  B33Y70/00 ,  C04B35/00 ,  C04B35/111 ,  C04B35/63468 ,  C04B38/0615 ,  C04B2111/00181 ,  C04B2235/5436 ,  C04B2235/6026 ,  C04B2235/658 ,  C04B38/0054 ,  C04B38/0074

Abstract: A three-dimensional shaped-article manufacturing composition of the invention is a three-dimensional shaped-article manufacturing composition which is used for manufacturing of a three-dimensional shaped article. The composition described above includes a plurality of shaped-article forming grains forming a substantive portion of the three-dimensional shaped article; a void forming material forming voids in the three-dimensional shaped article; a solvent dispersing the shaped-article forming grains and the void forming material; and a binder dissolved in the solvent. The content of the void forming material is 5 to 50 parts by volume with respect to 100 parts by volume of the shaped-article forming grains.

公开(公告)号：US20180029124A1

公开(公告)日：2018-02-01

申请号：US15645192

申请日：2017-07-10

Applicant: Seiko Epson Corporation

Inventor： Eiji OKAMOTO ,  Masaya ISHIDA ,  Akihiko TSUNOYA

IPC: B22F3/105 ,  B33Y30/00 ,  B23K26/342 ,  B33Y50/02 ,  B29C64/245 ,  B29C64/188 ,  B33Y10/00 ,  B33Y40/00

CPC classification number: B22F3/1055 ,  B22F3/008 ,  B22F3/1021 ,  B22F2003/1057 ,  B22F2003/1058 ,  B22F2999/00 ,  B23K26/342 ,  B29C64/188 ,  B29C64/245 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y40/00 ,  B33Y50/02

Abstract: A three-dimensional shaped article shaping stage, which is used in a three-dimensional shaped article production apparatus for producing a three-dimensional shaped article by stacking layers to form a stacked body, is attachable to and detachable from the production apparatus, has a forming surface on which the stacked body is to be formed, and in which an organic film having a lower melting point than a constituent material is formed on the forming surface, is used. By using such a shaping stage, it becomes possible to easily separate the stacked body of the three-dimensional shaped article formed by stacking layers on the shaping stage from the shaping stage.

公开(公告)号：US20170209931A1

公开(公告)日：2017-07-27

申请号：US15414192

申请日：2017-01-24

Applicant: SEIKO EPSON CORPORATION

Inventor： Masaya ISHIDA ,  Tomoyuki KAMAKURA ,  Eiji OKAMOTO ,  Takeshi MIYASHITA

IPC: B22F7/00 ,  B33Y80/00 ,  B33Y70/00 ,  B29C67/00 ,  B22F5/00 ,  B23K26/342 ,  B28B1/00 ,  B33Y10/00 ,  B22F3/105

CPC classification number: B22F7/008 ,  B22F3/008 ,  B22F3/1055 ,  B22F5/00 ,  B22F5/12 ,  B22F2003/1058 ,  B22F2998/10 ,  B23K26/342 ,  B23K2101/40 ,  B23K2103/16 ,  B28B1/001 ,  B29C64/153 ,  B29C64/165 ,  B29K2105/16 ,  B29K2505/00 ,  B29K2509/02 ,  B33Y10/00 ,  B33Y80/00 ,  B41J3/4073 ,  H01L23/345 ,  H01L28/10 ,  H01L28/20 ,  H01L28/40 ,  H01L29/70 ,  H01L29/861 ,  H05K1/162 ,  H05K1/165 ,  H05K1/167 ,  H05K3/1275 ,  H05K3/28 ,  Y02P10/295 ,  B22F2001/0066

Abstract: A three-dimensional production method for a functional element structure body according to the invention is a three-dimensional production method for a functional element structure body, which includes an electrical functional element section having a terminal and an insulating member provided on the periphery of the functional element section in a state where at least the terminal is exposed to the outside, and includes a layer formation step of forming one layer in a layer forming region by supplying a first flowable composition containing first particles for the functional element section from a first supply section, and supplying a second flowable composition containing second particles for the insulating member from a second supply section, a shaping step of shaping the functional element structure body by repeating the layer formation step, and a solidification step of performing solidification by applying energy to the first particles and the second particles in the layer.

公开(公告)号：US20170209929A1

公开(公告)日：2017-07-27

申请号：US15411587

申请日：2017-01-20

Applicant: SEIKO EPSON CORPORATION

Inventor： Masaya ISHIDA ,  Eiji OKAMOTO ,  Hiroshi WADA ,  Toshimitsu HIRAI

IPC: B22F3/10 ,  B33Y40/00 ,  B28B1/00 ,  B23K26/70 ,  B33Y50/02 ,  B22F3/105 ,  B23K26/342 ,  B33Y10/00 ,  B29C67/00

Abstract: A three-dimensional shaped article production method for producing a three-dimensional shaped article by stacking layers to form a stacked body includes a first layer formation step of forming a first layer on a support by supplying a first composition containing first particles and a binder, a second layer formation step of forming a second layer composed of one layer or a plurality of layers on the first layer by supplying a second composition containing second particles and a binder, and a separation step of separating the second layer from the support through the first layer, wherein after the separation step, a sintering step of sintering the second layer is performed.