公开(公告)号：US20240427178A1

公开(公告)日：2024-12-26

申请号：US18708087

申请日：2022-10-27

Applicant: Shin-Etsu Chemical Co., Ltd.

Inventor： Masanori Ikari ,  Takuto Matsumoto ,  Keita Tanaka

IPC: G02F1/09 ,  C04B35/44 ,  C04B35/505 ,  G02F1/00

Abstract: The paramagnetic garnet-type transparent ceramic a sintered object of a composite oxide represented by formula (1), (Tb1−x−yYxScy)3(Al1−zScz)5O12 (0.05≤x

公开(公告)号：US20240228382A9

公开(公告)日：2024-07-11

申请号：US18401228

申请日：2023-12-29

Applicant: NICHIA CORPORATION

Inventor： Shozo TAKETOMI ,  Ryo YAMAMOTO ,  Tomomi FUJII ,  Toshiyuki HIRAI

IPC: C04B35/44 ,  C04B38/00 ,  C09K11/77

CPC classification number: C04B35/44 ,  C04B38/0054 ,  C09K11/7706 ,  C04B2235/5463 ,  C04B2235/74 ,  C04B2235/785 ,  C04B2235/786 ,  C04B2235/80

Abstract: A rare earth aluminate sintered compact including rare earth aluminate phosphor crystalline phases and voids, wherein an absolute maximum length of 90% or more by number of rare earth aluminate phosphor crystalline phases is in a range from 0.4 μm to 1.3 μm, and an absolute maximum length of 90% or more by number of voids is in a range from 0.1 μm to 1.2 μm.

公开(公告)号：US20240158694A1

公开(公告)日：2024-05-16

申请号：US18420283

申请日：2024-01-23

Applicant: NICHIA CORPORATION

Inventor： Masaki KONDO ,  Shozo TAKETOMI ,  Hirofumi OGURI

IPC: C09K11/77 ,  B22F1/142 ,  B22F7/00 ,  C01F17/34 ,  C04B35/117 ,  C04B35/44 ,  C04B35/64 ,  C09K11/02 ,  G03B21/20 ,  H01L33/50

CPC classification number: C09K11/7774 ,  B22F1/142 ,  B22F7/008 ,  C01F17/34 ,  C04B35/117 ,  C04B35/44 ,  C04B35/64 ,  C09K11/02 ,  G03B21/204 ,  H01L33/502 ,  B22F2302/25 ,  C09K11/0838

Abstract: A method for producing a rare earth aluminate sintered body includes: preparing a molded body by mixing a fluorescent material having a composition of a rare earth aluminate and a raw material mixture comprising an oxide containing at least one rare earth element Ln selected from the group consisting of Y, La, Lu, Gd, and Tb, an oxide containing Ce, an oxide containing Al, and optionally an oxide containing at least one element M′ selected from the group consisting of Ga and Sc; and calcining the molded body to obtain a sintered body.

公开(公告)号：US20240059616A1

公开(公告)日：2024-02-22

申请号：US18257203

申请日：2021-12-17

Applicant: Heraeus Conamic North America LLC

Inventor： Matthew Joseph DONELON ,  Luke WALKER ,  Saurav BISTA ,  Saurabh WAGHMARE ,  Lillian THOMPSON

IPC: C04B35/119 ,  C04B35/44 ,  H01J37/32 ,  C04B38/00

CPC classification number: C04B35/119 ,  C04B35/44 ,  H01J37/32119 ,  H01J37/32642 ,  C04B38/0054 ,  H01J37/3244 ,  C04B2235/94 ,  C04B2235/3222 ,  C04B2235/3246

Abstract: Disclosed herein are plasma chamber components that comprise a ceramic sintered body comprising at least one first layer comprising a surface having a surface area and at least one crystalline phase of from 90% to 99.8% by volume of poly crystalline yttrium aluminum garnet (YAG), at least one second layer comprising alumina and zirconia wherein the zirconia comprises at least one of stabilized and partially stabilized zirconia, and optionally, at least one third layer comprising at least one selected from the group consisting of YAG, alumina, and zirconia.

公开(公告)号：US20230348331A1

公开(公告)日：2023-11-02

申请号：US18310949

申请日：2023-05-02

Applicant: NICHIA CORPORATION

Inventor： Ryo YAMAMOTO ,  Shozo TAKETOMI

IPC: C04B35/44

CPC classification number: C04B35/44 ,  C04B2235/3224 ,  C04B2235/3217

Abstract: A rare earth aluminate sintered body includes crystal agglomerated particles containing a rare earth aluminate fluorescent material crystal phase, and a rare earth aluminate crystal phase having a refractive index different from that of the rare earth aluminate fluorescent material crystal phase, wherein the rare earth aluminate crystal phase is arranged around the crystal agglomerated particles.

公开(公告)号：US11623892B2

公开(公告)日：2023-04-11

申请号：US17815188

申请日：2022-07-26

Applicant: SCHOTT AG

Inventor： Yvonne Menke ,  Volker Hagemann ,  Bernd Hoppe

IPC: C04B35/44 ,  G02B5/20 ,  B28B17/00 ,  C04B35/626 ,  C04B35/64 ,  C09K11/77 ,  C04B35/01

Abstract: A strongly scattering optoceramic converter material having a density of less than 97% is provided, as well as a method for producing such an optoceramic material. By appropriately choosing in particular the composition, blending method, and sintering conditions, the production method permits to produce converter materials with tailored properties.

公开(公告)号：US11584659B2

公开(公告)日：2023-02-21

申请号：US17254688

申请日：2019-06-21

Applicant: KOGAKUIN UNIVERSITY

Inventor： Hideki Hashimoto ,  Hidetaka Asoh ,  Jun Takada ,  Tatsuo Fujii

IPC: C01G49/00 ,  C04B35/44 ,  C04B35/622 ,  C04B35/626 ,  C04B35/628

Abstract: An iron oxide powder includes a porous structure having the diameter of from 0.3 μm to 2 μm, wherein the iron oxide powder has an aluminum content of from 10 mol % to 80 mol %.

公开(公告)号：US20230019508A1

公开(公告)日：2023-01-19

申请号：US17778717

申请日：2020-11-24

Applicant: KYOCERA CORPORATION

Inventor： Mamoru YAMASHIRO ,  Yoshinori KUBO ,  Keiji YUKIHIRO

IPC: H01J37/32 ,  C04B35/44

Abstract: The present disclosure relates to a plasma resistant member in which a surface exposed to plasma is formed from a single crystal yttrium⋅aluminum⋅garnet (YAG) having a {100} plane, and a plasma treatment device component and a plasma treatment device using the plasma resistant member. When there are a plurality of surfaces exposed to plasma, at least a surface required to have the highest plasma resistance is formed from the single crystal YAG having a {100} plane.

公开(公告)号：US20220388909A1

公开(公告)日：2022-12-08

申请号：US17776043

申请日：2020-11-17

Applicant: HERAEUS CONAMIC NORTH AMERICA LLC

Inventor： Luke Walker ,  Saurav Bista ,  Matthew Joseph Donelon ,  Steven Roger Kennedy

IPC: C04B35/44 ,  C04B35/626 ,  C04B41/00

Abstract: Disclosed herein is a sintered ceramic body comprising from 90% to 99.9% by volume of polycrystalline yttrium aluminum garnet (YAG) as measured using XRD and image processing methods and a volumetric porosity of from 0.1 to 4% as calculated from density measurements performed in accordance with ASTM B962-17. The sintered ceramic body may have a total purity of 99.99% and greater and a grain size of from 0.3 to 8 μm. A method of making the sintered ceramic body is also disclosed.

公开(公告)号：US11492294B2

公开(公告)日：2022-11-08

申请号：US16408739

申请日：2019-05-10

Applicant: Shin-Etsu Chemical Co., Ltd.

Inventor： Masanori Ikari ,  Takuto Matsumoto

IPC: C04B35/443 ,  B28B1/20 ,  C04B35/626 ,  C04B35/634 ,  C04B35/645 ,  C04B35/638 ,  C04B35/44 ,  C04B35/01 ,  C04B35/553 ,  C04B35/565

Abstract: A method includes molding a raw material powder containing a ceramic powder and a thermoplastic resin having a glass transition temperature higher than room temperature into a shape by isostatic pressing and in which a raw material powder slurry is prepared by adding the ceramic powder and the thermoplastic resin to a solvent so that the thermoplastic resin is 2% by weight or more and 40% by weight or less with respect to a total weight of the ceramic powder and the thermoplastic resin, a cast-molded body is to formed by wet-casting the raw material powder slurry into a shape, dried, and subjected to first-stage isostatic press molding at a temperature lower than the glass transition temperature of the thermoplastic resin, then this first-stage press-molded body is heated to the glass transition temperature of the thermoplastic resin or above, and warm isostatic press (WIP) molding is performed.