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1. WO2020209039 - DIELECTRIC INORGANIC COMPOSITION

Publication Number WO/2020/209039
Publication Date 15.10.2020
International Application No. PCT/JP2020/012652
International Filing Date 23.03.2020
IPC
C01B 25/16 2006.01
CCHEMISTRY; METALLURGY
01INORGANIC CHEMISTRY
BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF
25Phosphorus; Compounds thereof
16Oxyacids of phosphorus; Salts thereof
C01B 25/37 2006.01
CCHEMISTRY; METALLURGY
01INORGANIC CHEMISTRY
BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF
25Phosphorus; Compounds thereof
16Oxyacids of phosphorus; Salts thereof
26Phosphates
37Phosphates of heavy metals
H01B 3/12 2006.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
3Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
02mainly consisting of inorganic substances
12ceramics
C04B 35/447 2006.01
CCHEMISTRY; METALLURGY
04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
BLIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
35Shaped ceramic products characterised by their composition; Ceramic compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
01based on oxides
447based on phosphates
C04B 35/495 2006.01
CCHEMISTRY; METALLURGY
04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
BLIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
35Shaped ceramic products characterised by their composition; Ceramic compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
01based on oxides
495based on vanadium, niobium, tantalum, molybdenum or tungsten oxides or solid solutions thereof with other oxides, e.g. vanadates, niobates, tantalates, molybdates or tungstates
H01G 4/12 2006.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
4Fixed capacitors; Processes of their manufacture
002Details
018Dielectrics
06Solid dielectrics
08Inorganic dielectrics
12Ceramic dielectrics
Applicants
  • 株式会社 オハラ OHARA INC. [JP]/[JP]
Inventors
  • 傅 杰 FU, Jie
Priority Data
2019-07333608.04.2019JP
Publication Language Japanese (JA)
Filing Language Japanese (JA)
Designated States
Title
(EN) DIELECTRIC INORGANIC COMPOSITION
(FR) COMPOSITION INORGANIQUE DIÉLECTRIQUE
(JA) 誘電性無機組成物
Abstract
(EN)
Provided is a dielectric substance which shows a high dielectric constant in a temperature range from -50°C to 350°C wherein the rate of change in the dielectric constant is 30% or less. An inorganic substance characterized by comprising an oxide crystal containing A and M (wherein A comprises at least one of P, Ge and V; and M comprises at least one of Nb and Ta) and having a dielectric constant of 500 or more. The inorganic substance mentioned above, characterized in that the oxide crystal comprises at least one of PNb9O25, P2.5Nb18O50, GeNb9O25, GeNb18O47, GeNb19.144O50, VNb9O25, VNb9O24.9, PTa9O25, GeTa9O25, VTa9O25 and solid solutions thereof.
(FR)
L'invention concerne une substance diélectrique qui présente une constante diélectrique élevée dans une plage de température de -50°C à 350°C, la vitesse de changement dans la constante diélectrique étant de 30% ou moins. L'invention concerne une substance inorganique caractérisée en ce qu'elle comprend un cristal d'oxyde contenant A et M (A comprenant au moins l'un de P, Ge et V ; et M comprenant au moins un élément parmi Nb et Ta) et ayant une constante diélectrique de 500 ou plus. L'invention concerne la substance inorganique mentionnée ci-dessus, caractérisée en ce que le cristal d'oxyde comprend au moins l'un de PNb9O25, P2.5Nb18O50, GeNb9O25, GeNb18O47, GeNb19.144O50, VNb9O25, VNb9O24.9, PTa9O25, GeTa9O25, VTa9O25 et des solutions solides associées.
(JA)
-50℃~350℃の温度範囲で誘電率が高く、しかもその変化率が30%以下である誘電体の提供。 AとMとを含む酸化物結晶(AはP、Ge及びVの一種または二種以上、MはNbとTaの一種または二種以上)を含有し、誘電率が500以上であることを特徴とする無機物質。前記酸化物結晶はPNb925、P2.5Nb1850及びGeNb925、GeNb1847、GeNb19.14450、VNb925、VNb24.9、PTa925、GeTa925、VTa925及びこれらの固溶体のうちの一種または二種以上であることを特徴とする前記無機物質。
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