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1. (WO2019001032) MICROWAVE DIELECTRIC CERAMIC AND PREPARATION METHOD THEREFOR
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Pub. No.: WO/2019/001032 International Application No.: PCT/CN2018/079817
Publication Date: 03.01.2019 International Filing Date: 21.03.2018
IPC:
C04B 35/44 (2006.01) ,C04B 35/457 (2006.01) ,C04B 35/443 (2006.01) ,C04B 35/16 (2006.01)
C CHEMISTRY; METALLURGY
04
CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
B
LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
35
Shaped ceramic products characterised by their composition; Ceramic compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
01
based on oxides
44
based on aluminates
C CHEMISTRY; METALLURGY
04
CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
B
LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
35
Shaped ceramic products characterised by their composition; Ceramic compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
01
based on oxides
453
based on zinc, tin or bismuth oxides or solid solutions thereof with other oxides, e.g. zincates, stannates or bismuthates
457
based on tin oxides or stannates
C CHEMISTRY; METALLURGY
04
CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
B
LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
35
Shaped ceramic products characterised by their composition; Ceramic compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
01
based on oxides
44
based on aluminates
443
Magnesium aluminate spinel
C CHEMISTRY; METALLURGY
04
CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
B
LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
35
Shaped ceramic products characterised by their composition; Ceramic compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
01
based on oxides
16
based on silicates other than clay
Applicants:
深圳光启高等理工研究院 KUANG-CHI INSTITUTE OF ADVANCED TECHNOLOGY [CN/CN]; 中国广东省深圳市 南山区高新中一道9号软件大厦 Software Building, No.9 Gaoxin Zhong 1st Road, High-Tech Industrial Estate, Nanshan District Shenzhen, Guangdong 518057, CN
Inventors:
刘若鹏 LIU, RuoPeng; CN
赵治亚 ZHAO, Zhi Ya; CN
周珏辉 ZHOU, Yu Hui; CN
Priority Data:
201710499131.227.06.2017CN
Title (EN) MICROWAVE DIELECTRIC CERAMIC AND PREPARATION METHOD THEREFOR
(FR) CÉRAMIQUE DIÉLECTRIQUE POUR MICRO-ONDES ET PROCÉDÉ DE PRÉPARATION ASSOCIÉ
(ZH) 一种微波介质陶瓷及其制备方法
Abstract:
(EN) A microwave dielectric ceramic and a preparation method therefor. The microwave dielectric ceramic comprises the following components: MgiAxOy+i, wherein A is selected from one of Sn, Si, and Al, i is in the range between 1 and 2, x is in the range between 1 and 2, y is in the range of between 2 and 3, and the content of the MgiAxOy+i in the microwave dielectric ceramic is 91%-96% by mass; BaCu(B2O5) having a content of 2%-5% by mass; and at least one of CaTiO3, Mg2TiO4, and MgTi2O5, the sum of the contents of the CaTiO3, Mg2TiO4, and MgTi2O5 being 2%-4% by mass. The microwave dielectric ceramic has an excellent dielectric constant, low dielectric loss, and relatively low sintering temperature.
(FR) L'invention concerne une céramique diélectrique pour micro-ondes et un procédé de préparation associé. La céramique diélectrique pour micro-ondes comprend les composants suivants : MgiAxOy+i, dans laquelle A est sélectionné parmi l’un de Sn, Si, et Al, i se trouve dans la plage de 1 à 2, x se trouve dans la plage de 1 à 2, y se trouve dans la plage de 2 à 3, et la teneur en MgiAxOy+i dans la céramique diélectrique pour micro-ondes est de 91% à 96% en masse ; le BaCu(B2O5) ayant une teneur de 2% à 5% en masse ; et au moins l’un de CaTiO3, Mg2TiO4, et MgTi2O5, la somme des teneurs en CaTiO3, Mg2TiO4, et MgTi2O5 étant de 2% à 4% en masse. La céramique diélectrique pour micro-ondes présente une excellente constante diélectrique, une faible perte diélectrique et une température de frittage relativement faible.
(ZH) 一种微波介质陶瓷及其制备方法。该微波介质陶瓷包括以下组分:Mg iA xO y+i,其中,A选自Sn、Si和Al中的一种并且i介于1~2的范围内,x介于1~2的范围内,y介于2~3的范围内,并且Mg iA xO y+i在微波介质陶瓷中的质量百分比含量为91%~96%;BaCu(B 2O 5),质量百分比含量为2%~5%;以及CaTiO 3、Mg 2TiO 4、MgTi 2O 5中的至少一种,并且CaTiO 3、Mg 2TiO 4、MgTi 2O 5的质量百分比含量总和为2%~4%。该微波介质陶瓷既具有优异的介电常数、低介电损耗和较低的烧结温度。
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: Chinese (ZH)
Filing Language: Chinese (ZH)