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公开(公告)号:US12023513B2
公开(公告)日:2024-07-02
申请号:US17301859
申请日:2021-04-16
CPC分类号: A61N5/0613 , A61F9/00 , A61N5/06 , C09K11/77342 , C09K11/77348 , C09K11/7738 , F21S2/00 , F21V9/38 , H01L25/0753 , H01L33/50 , H01L33/504 , A61N2005/0651 , A61N2005/0654 , A61N2005/0663 , A61N2005/0667
摘要: A light source for myopia prevention article includes a light emitter to emit light having an emission spectrum continuing from a first wavelength of not less than 360 nm nor more than 400 nm to a second wavelength of more than 400 nm.
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公开(公告)号:US11957052B2
公开(公告)日:2024-04-09
申请号:US16256276
申请日:2019-01-24
摘要: According to one embodiment, a thermoelectric material are provided. The thermoelectric material includes a sintered body formed of p-type and n-type thermoelectric materials for the thermoelectric conversion element. The thermoelectric materials have a MgAgAs type crystal structure as a main phase. An area ratio of internal defects of the thermoelectric materials for one thermoelectric conversion element is 10% or less in terms of a total area ratio of defective portions in a scanning surface according to ultrasonic flaw detection in a thickness direction of the thermoelectric material. No defect having a length of 800 μm or more is present at any vertex of chips of the thermoelectric materials.
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公开(公告)号:US20240082824A1
公开(公告)日:2024-03-14
申请号:US18508587
申请日:2023-11-14
CPC分类号: B01J23/002 , B01J23/28 , B01J23/30 , B01J35/0006 , B01J37/04 , B01J37/08
摘要: According to one embodiment, there is provided a multielement composite oxide powder that includes an oxide particle including a composite oxide, the composite oxide containing: constituent metal elements containing two or more hexavalent metal elements and two or more pentavalent metal elements at a content of 80 atm % or more in total; and oxygen. The oxide particle has a major axis and a minor axis intersecting the major axis, and has a polygonal tunnel structure including one or more polygonal tunnels of five or more vertices in a major axis direction along the major axis.
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公开(公告)号:US20240077233A1
公开(公告)日:2024-03-07
申请号:US18490181
申请日:2023-10-19
CPC分类号: F25B9/002 , F25B9/10 , G01R33/3804 , H01F6/04
摘要: Magnetic cold storage material particles with a low breakage rate in the case of being subjected to long-term vibration caused by operation of a refrigerator under a cryogenic temperature are provided. A cold storage device and a refrigerator, each of which includes the above-described magnetic cold storage material particles and does not degrade refrigeration performance under long-term operation, are provided. Apparatuses provided with this refrigerator, such as a superconducting magnet, are provided.
Each magnetic cold storage material particle of the embodiment is composed of an intermetallic compound containing a rare earth element, and an area percentage of voids present in its cross-section is 0.0001% or more and 15% or less. Each of the cold storage device of the embodiment, the refrigerator of the embodiment, and the apparatuses provided with this refrigerator, such as a superconducting magnet, includes the magnetic cold storage material particles of the embodiment.-
公开(公告)号:US20230390845A1
公开(公告)日:2023-12-07
申请号:US18451346
申请日:2023-08-17
发明人: Akito SASAKI , Hiromasa KATO , Hideaki HIRABAYASHI
CPC分类号: B23K1/0016 , C23F1/18 , C23F3/06 , H05K3/06 , H05K3/26 , H05K2203/0766
摘要: According to the embodiment, in a method for manufacturing a ceramic circuit board in which a copper plate is bonded to at least one surface of a ceramic substrate via a brazing material layer, the brazing material layer does not include Ag, but includes Cu, Ti, and one or two of Sn or In, and a ceramic circuit board is prepared in which a portion of the brazing material layer is exposed between the patterned configuration of the copper plate. The method includes a chemical polishing process of chemically polishing the portion of the brazing material layer, and a brazing material etching process of etching the chemically polished portion of the brazing material layer by using an etchant that includes one or two selected from hydrogen peroxide and ammonium peroxodisulfate and has a pH of not more than 6.
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公开(公告)号:US20230335483A1
公开(公告)日:2023-10-19
申请号:US18339431
申请日:2023-06-22
IPC分类号: H01L23/498 , H01L23/00
CPC分类号: H01L23/49877 , H01L24/29 , H01L24/32 , H01L23/15
摘要: According to the embodiment, in an insulating circuit board in which a conductor part is bonded to at least one surface of an insulating substrate, in XPS analysis of the carbon amount at the surface of the conductor part, the average value of the carbon amounts at any three locations is within the range of not less than 0 at % and not more than 70 at %. In XPS analysis of the oxygen amount of the conductor part surface, it is favorable for the average value of any three locations to be within the range of not less than 3 at % and not more than 50 at %.
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7.
公开(公告)号:US20230295004A1
公开(公告)日:2023-09-21
申请号:US18322730
申请日:2023-05-24
发明人: Daisuke FUKUSHI
IPC分类号: C01G41/02
CPC分类号: C01G41/02 , C01P2004/51 , C01P2002/74 , C01P2004/64 , C01P2004/61 , C01P2006/40
摘要: According to one embodiment, provided is a tungsten oxide powder slurry in which a tungsten oxide powder and an aqueous solvent are mixed. D50 is 20 nm to 10000 nm and D90 is 100000 nm or less in a particle size cumulative graph of the tungsten oxide powder in the slurry. According to X-ray diffraction, a half-value width of a most intense peak detected at 29°±1° is 2° or less.
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公开(公告)号:US11758651B2
公开(公告)日:2023-09-12
申请号:US18065697
申请日:2022-12-14
发明人: Jun Momma , Katsuyuki Aoki , Satoshi Takahashi
IPC分类号: C04B35/587 , H05K1/03 , C04B35/597 , H01L21/02
CPC分类号: H05K1/0306 , C04B35/587 , C04B35/597 , H01L21/0217 , H01L21/02227
摘要: A sintered body includes a crystal grain containing silicon nitride, and a grain boundary phase. If dielectric losses of the sintered body are measured while applying an alternating voltage to the sintered body and continuously changing a frequency of the alternating voltage from 50 Hz to 1 MHz, an average value εA of dielectric losses of the sintered body in a frequency band from 800 kHz to 1 MHz and an average value εB of dielectric losses of the sintered body in a frequency band from 100 Hz to 200 Hz satisfy an expression |εA−εB|≤0.1.
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公开(公告)号:US20230279281A1
公开(公告)日:2023-09-07
申请号:US18170958
申请日:2023-02-17
IPC分类号: C09K5/14 , F28D20/00 , G01R33/38 , C04B35/50 , C04B35/45 , C04B35/626 , C04B35/636 , C04B35/624 , C04B35/64 , H01F6/00
CPC分类号: C09K5/14 , F28D20/0056 , G01R33/3804 , C04B35/50 , C04B35/45 , C04B35/6264 , C04B35/636 , C04B35/624 , C04B35/64 , C04B35/62655 , H01F6/00 , C04B2235/3224 , C04B2235/3217 , C04B2235/449 , C04B2235/3291 , C04B2235/446
摘要: A cold storage material particle of an embodiment includes at least one first element selected from the group consisting of a rare earth element, silver (Ag), and copper (Cu) and a second element that is different from the first element and forms a multivalent metal ion in an aqueous solution, in which an atomic concentration of the second element is 0.001 atomic % or more and 60 atomic % or less, and a maximum value of volume specific heat at a temperature of 20K or less is 0.3 J/cm3·K or more.
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10.
公开(公告)号:US20230154637A1
公开(公告)日:2023-05-18
申请号:US18155937
申请日:2023-01-18
发明人: Yukihiro FUKUTA , Tsutomu ISHII , Koichi NITTOH , Mikio UEMATSU
CPC分类号: G21F1/047 , C04B28/02 , C04B14/30 , C04B14/04 , C04B14/36 , C04B14/34 , C04B40/0032 , G21F3/00 , C04B2111/00862
摘要: A radiation shield unit, which shields against neutron rays, X-rays, and γ-rays, contains 10 vol % or more and 90 vol % or less of gadolinium.
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