WO2023003511A3 - Methods of stereolithography 3d printing of transparent yag ceramics - Google Patents

Methods of stereolithography 3d printing of transparent yag ceramics Download PDF

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Publication number
WO2023003511A3
WO2023003511A3 PCT/SG2022/050509 SG2022050509W WO2023003511A3 WO 2023003511 A3 WO2023003511 A3 WO 2023003511A3 SG 2022050509 W SG2022050509 W SG 2022050509W WO 2023003511 A3 WO2023003511 A3 WO 2023003511A3
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WIPO (PCT)
Prior art keywords
yag
stereolithography
printing
methods
ceramics
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PCT/SG2022/050509
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French (fr)
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WO2023003511A2 (en
Inventor
Li Ying LIU
Zehui DU
Chee Lip GAN
Wang GUO
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Nanyang Technological University
Fujian Institute Of Research On The Structure Of Matter Chinese Academy Of Sciences
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Application filed by Nanyang Technological University, Fujian Institute Of Research On The Structure Of Matter Chinese Academy Of Sciences filed Critical Nanyang Technological University
Publication of WO2023003511A2 publication Critical patent/WO2023003511A2/en
Publication of WO2023003511A3 publication Critical patent/WO2023003511A3/en

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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/44—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
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    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3224—Rare earth oxide or oxide forming salts thereof, e.g. scandium oxide
    • C04B2235/3225—Yttrium oxide or oxide-forming salts thereof
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    • C04B2235/3224—Rare earth oxide or oxide forming salts thereof, e.g. scandium oxide
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    • C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
    • C04B2237/30—Composition of layers of ceramic laminates or of ceramic or metallic articles to be joined by heating, e.g. Si substrates
    • C04B2237/32—Ceramic
    • C04B2237/34—Oxidic
    • C04B2237/343—Alumina or aluminates

Abstract

Disclosed herein is a formulation for use in vat photopolymerization based additive manufacturing comprising particles of one or more of the group consisting of yttrium aluminium garnet (YAG), and a YAG doped by a rare earth element, a photosensitive resin precursor, a dispersant, and a photoinitiator, and a ceramic product comprising a layer formed from one or more of the group consisting of YAG, and a YAG doped by a rare earth element, which has a first surface, a second surface and a body portion therebetween, wherein the second surface has a plurality of projections extending from the second surface and/or a plurality of depressions that extend into the body portion. Also disclosed herein are methods of stereolithography 3D printing of YAG ceramics and the application of the printed YAG ceramics for LED lighting and thermal management and also for imaging.
PCT/SG2022/050509 2021-07-19 2022-07-19 Methods of stereolithography 3d printing of transparent yag ceramics WO2023003511A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SG10202107857Y 2021-07-19
SG10202107857Y 2021-07-19

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WO2023003511A2 WO2023003511A2 (en) 2023-01-26
WO2023003511A3 true WO2023003511A3 (en) 2023-03-30

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070072762A1 (en) * 2005-09-29 2007-03-29 Osram Sylvania Inc. Method of Making Ceramic Discharge Vessels Using Stereolithography
CN106810215A (en) * 2017-01-18 2017-06-09 深圳摩方新材科技有限公司 A kind of preparation of ceramic size and 3D printing Stereolithography method
CN108530070A (en) * 2018-04-16 2018-09-14 中国科学院上海硅酸盐研究所 A kind of fluorescence ceramics and preparation method thereof that the enhancing of surface light trapping structure is luminous
CN109400177A (en) * 2018-10-30 2019-03-01 西安点云生物科技有限公司 For the ceramic material of 3D Stereolithography printing and the preparation method of ceramic objects

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070072762A1 (en) * 2005-09-29 2007-03-29 Osram Sylvania Inc. Method of Making Ceramic Discharge Vessels Using Stereolithography
CN106810215A (en) * 2017-01-18 2017-06-09 深圳摩方新材科技有限公司 A kind of preparation of ceramic size and 3D printing Stereolithography method
CN108530070A (en) * 2018-04-16 2018-09-14 中国科学院上海硅酸盐研究所 A kind of fluorescence ceramics and preparation method thereof that the enhancing of surface light trapping structure is luminous
CN109400177A (en) * 2018-10-30 2019-03-01 西安点云生物科技有限公司 For the ceramic material of 3D Stereolithography printing and the preparation method of ceramic objects

Also Published As

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WO2023003511A2 (en) 2023-01-26

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