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公开(公告)号：KR100882922B1
公开(公告)日：2009-02-10
申请号：KR1020070111219
申请日：2007-11-01
Applicant: 한국과학기술연구원
CPC classification number: H01B3/12 , C03C8/04 , C04B35/117 , C04B35/16 , C04B35/20 , C04B35/22 , C04B2235/3201 , C04B2235/3203 , C04B2235/3206 , C04B2235/3208 , C04B2235/3213 , C04B2235/3222 , C04B2235/3227 , C04B2235/3232 , C04B2235/3244 , C04B2235/3248 , C04B2235/3284 , C04B2235/3409 , C04B2235/3418 , C04B2235/3436 , C04B2235/3445 , C04B2235/3454 , C04B2235/3481 , C04B2235/36 , C04B2235/5436 , C04B2235/656 , C04B2235/77
Abstract: A low fired dielectric ceramic composition is provided to ensure low dielectric constant, low dielectric loss, high quality value and high strength and to realize the composite module of electronic component with strong impact resistance. A low fired dielectric ceramic composition a dielectric ceramic composition containing glass frit 35~60 weight% and filler 40~65 weight%, and a nucleating agent 0.3~3 weight% based on the glass frit or a nucleating agent 0.5~15 weight% based on the dielectric ceramic composition. The glass frit comprises SiO2, B2O3, Al2O3, ZnO, oxides of alkali earth metal and oxides of alkali metal and has the crystalline selected from the group consisting of wollastonite (CaSiO3), fan kinite (Ca3Si2O7), dicalcium silicate (Ca2SiO4), Ca3SiO5, diopside (CaMgSi2O6), anorthite (CaAl2Si2O8), cordierite (5SiO2-2Al2O3-2MgO), MgSiO3, MgB2O4, SrSiO3, SrAl2Si2O8, SrB2O4, and their mixture.
Abstract translation: 提供低烧介电陶瓷组合物，以确保低介电常数，低介电损耗，高质量值和高强度，并实现具有很强抗冲击性的电子元件的复合模块。 低烧介电陶瓷组合物，含有玻璃料35〜60重量％，填料40〜65重量％的电介质陶瓷组合物，以及基于玻璃料的成核剂0.3〜3重量％或基于0.5〜15重量％的成核剂 介电陶瓷组合物。 玻璃料包括SiO 2，B 2 O 3，Al 2 O 3，ZnO，碱土金属的氧化物和碱金属的氧化物，并且具有选自硅灰石（CaSiO 3），风扇动力学（Ca 3 Si 2 O 7），硅酸二钙（Ca 2 SiO 4），Ca 3 SiO 5 ，透辉石（CaMgSi2O6），钙长石（CaAl2Si2O8），堇青石（5SiO2-2Al2O3-2MgO），MgSiO3，MgB2O4，SrSiO3，SrAl2Si2O8，SrB2O4及其混合物。
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公开(公告)号：KR1020090006895A
公开(公告)日：2009-01-16
申请号：KR1020070069779
申请日：2007-07-11
Applicant: 한국과학기술연구원
CPC classification number: H01M4/485 , H01M4/48 , H01M10/0525 , H01M2004/021 , H01M2004/027 , Y02E60/122 , Y02E60/13 , Y02P70/54
Abstract: A calcium-cobalt oxide anode material is provided to ensure capacity higher than that of a conventional carbon material, stable cycle property, and excellent lithium ion conductivity. A calcium-cobalt oxide anode material has a composition of the chemical formula 1: [(Ca_(3-x).A_x)(Co_(4-y).B_y)O_9. In the chemical formula 1, A is an inert element selected from Bi, Gd and Na; and B is the transition elements selected from Fe, Ni, Mn and Cu, and 0
Abstract translation: 提供了一种钴 - 钴氧化物负极材料，以确保比常规碳材料更高的容量，稳定的循环性能和优异的锂离子传导性。 钴 - 钴氧化物阳极材料具有化学式1的组成：[（Ca_（3-x）.A_x）（Co_（4-y）.B_y）O_9。 在化学式1中，A是选自Bi，Gd和Na的惰性元素; 并且B是选自Fe，Ni，Mn和Cu的过渡元素，0 <= x <=1,0,0≤y≤1。
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公开(公告)号：KR1020070103642A
公开(公告)日：2007-10-24
申请号：KR1020060035496
申请日：2006-04-19
Applicant: 한국과학기술연구원
IPC: C04B35/453 , C03C8/14
CPC classification number: C03C3/093 , C03C8/00 , C04B35/495 , C04B2235/3232 , C04B2235/36 , H01G4/129
Abstract: A low temperature firing dielectric ceramic composition is provided to be capable of being fired at low temperature while maintaining dielectric characteristics such as a dielectric constant and a quality factor for forming a ceramic substrate. A low temperature firing dielectric ceramic composition contains (1) 50-80wt% of ZnNb2O6 dielectric ceramics, (2) 10-40wt% of TiO2 dielectric ceramics, and (3) 5-30wt% of SiO2-B2O3-Al2O3-CaO-ZnO-based glass frit of which a melting point ranges from 1400 to 1600 °C, wherein the firing temperature is kept in the range of 800-900 °C. The dielectric ceramic composition has a dielectric constant of 15-35, a quality factor of 3,000-16,000 GHz, and a temperature coefficient of resonant frequency of -100 to +100 ppm/°C.
Abstract translation: 提供低温焙烧电介质陶瓷组合物以能够在保持诸如介电常数和用于形成陶瓷基板的品质因素之类的介电特性的同时在低温下烧制。 低温焙烧电介质陶瓷组合物含有（1）50-80重量％的ZnNb 2 O 6电介质陶瓷，（2）10-40重量％的TiO 2电介质陶瓷，和（3）5-30重量％的SiO 2 -B 2 O 3 -Al 2 O 3 -FAO-ZnO 的玻璃料，其熔点范围为1400〜1600℃，其中烧成温度保持在800-900℃的范围内。 介电陶瓷组合物的介电常数为15-35，品质因数为3,000-16,000GHz，共振频率的温度系数为-100〜+100ppm /℃。
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公开(公告)号：KR100644968B1
公开(公告)日：2006-11-14
申请号：KR1020050102333
申请日：2005-10-28
Applicant: 한국과학기술연구원
Abstract: Provided is a preparation method of biocompatible silicon nano particles excellent in dispersion stability for use in fluorescent probe in biological studies that include cancer diagnosis and cell imaging. The preparation method of biocompatible silicon nano particles comprises the steps of: obtaining silicon nano particle colloid by treating Si-containing zintl salt with diethylene glycol diethyl ether(DGDE) under ultrasonic radiation; and mixing the silicon nano particle colloid with a hydrogen halide solution. In detail, Si-containing zintl salt and DGDE are used in a ratio of 1:10 to 1:100,000 by weight and are subjected to ultrasonic radiation for 1 minute to 10 hours under an inert gas atmosphere such as Ar, He, N and so on. Preferably, the hydrogen halide solution has a concentration of 1 to 35 wt%, and is mixed in an amount of 0.01 to 1 wt% with respect to the weight of silicon nano particle collide.
Abstract translation: 本发明提供一种在生物学研究中用于荧光探针的分散稳定性优异的生物相容性硅纳米粒子的制备方法，其包括癌症诊断和细胞成像。 一种生物相容性硅纳米颗粒的制备方法，包括以下步骤：用超声辐射处理含二乙二醇二乙醚（DGDE）的含硅锌盐，得到硅纳米颗粒胶体; 并将硅纳米颗粒胶体与卤化氢溶液混合。 具体而言，含Si的锌盐和DGDE以1:10至1:100,000的重量比使用，并且在诸如Ar，He，N和N的惰性气体气氛下经受超声辐射1分钟至10小时 等等。 优选卤化氢溶液的浓度为1〜35重量％，相对于硅纳米粒子的重量碰撞而混合0.01〜1重量％。
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公开(公告)号：KR100553318B1
公开(公告)日：2006-02-20
申请号：KR1020030049836
申请日：2003-07-21
Applicant: 한국과학기술연구원
CPC classification number: C01G9/03 , B01J6/00 , B01J2219/00063 , B01J2219/00135 , B01J2219/00186 , B01J2219/182 , B01J2219/1923 , B01J2219/1943 , B82Y30/00 , C01P2004/64 , C23C14/0021 , C23C14/086 , C23C14/228 , C23C14/243 , Y10S977/755 , Y10S977/762 , Y10S977/811 , Y10S977/84 , Y10S977/855
Abstract: 본 발명은 산화아연(ZnO) 나노구조체의 제조방법 및 제조장치에 관한 것으로서, 더욱 상세하게는 산화아연 분말과 그라파이트(graphite)의 환원반응에 의해 생성되는 아연가스를 실리콘 기판상에 증착시켜 나노구조체를 제조하되, 반응관 내부의 온도 조절 및 캐리어 가스로서 유입되는 알곤(Ar)과 산소(O
2 )의 배합비 조절에 의해 다양한 나노구조체를 재현성 있게 제조하는 방법과 이의 제조장치에 관한 것이다.
산화아연, 나노쉬트, 나노선 어레이, 산소, 촉매-
Patent Agency Ranking
公开(公告)号：KR1020050075863A
公开(公告)日：2005-07-22
申请号：KR1020040003535
申请日：2004-01-17
Applicant: 한국과학기술연구원
IPC: C04B35/00
Abstract: 본 발명은 저유전율 세라믹 후막과 중유전율 세라믹 후막이 다수 적층된 저온 동시소성용 복합 세라믹체에 관한 것으로서, 더욱 상세하게는 저유전율 세라믹 조성물과 중유전율 세라믹 조성물 중에 각각 함유되는 유리프리트의 조성계를 공통으로 선정함으로써 900 ℃를 전후한 넓은 소성 온도범위에서의 수축거동을 동일하게 매칭하여 이종(異種) 후막간에 휨이나 박리가 없도록 한 복합 세라믹체에 관한 것이다. 본 발명에 따른 복합 세라믹체 제조기술은 다기능성 세라믹 후막 적층 모듈을 구현하는데 효과적으로 이용될 수 있다.
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公开(公告)号：KR100479688B1
公开(公告)日：2005-03-30
申请号：KR1020020032062
申请日：2002-06-07
Applicant: 한국과학기술연구원
CPC classification number: C03C8/14 , C03C14/004
Abstract: 본 발명은 마이크로파 유전 특성이 우수하고 950℃ 부근의 낮은 온도 범위에서 소성이 가능한 저유전율의 붕화규소계 세라믹 조성물 및 그 제조방법에 관한 것이다. 본 발명의 조성물은 40 ~ 60%의 비정질 붕화규소 유리와 40 ~ 60%의 충진제로 구성되어지며, 가격이 저렴한 Ag 전극과 함께 저온소성 다층기판의 저유전율층에 사용될 수 있다.
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公开(公告)号：KR1020020028281A
公开(公告)日：2002-04-17
申请号：KR1020000059210
申请日：2000-10-09
Applicant: 한국과학기술연구원
IPC: H01C7/115
Abstract: PURPOSE: A low temperature sintered SrTiO3 varistor-capacitor dual function device dielectric compound is provided to reduce a sintering temperature from 1400°C to 1200°C. CONSTITUTION: A low temperature sintered SrTiO3 varistor-capacitor dual function device dielectric compound is Sr(1-x-y)BaxCayTiO3. The basic material powder is subjected to wet milling for 24 hours after Nb2O5 is added for increasing conductivity of grain. The basic material powder is dried and PVA(poly-vinyl alcohol) of 2 mol% is added, after wet ball milling. Molding is carried out at 100MPa. The molded sample is sintered in a reduction furnace with N2 and H2 gas of 90 to 10 mixture ratio. The sintered sample is re-oxidized at 900°C to oxidize grain boundary and sample surface so as to form a high resist layer. On the re-oxidized sample, outer electrodes are formed by thermally processing Ag electrodes.
Abstract translation: 目的：提供低温烧结SrTiO3变阻器 - 电容器双功能器件电介质化合物，以将烧结温度从1400℃降低到1200℃。 构成：低温烧结SrTiO3变阻器 - 电容器双功能器件介电化合物为Sr（1-x-y）BaxCayTiO3。 在添加Nb2O5后，将基本材料粉末进行湿磨24小时，以增加晶粒的电导率。 将基本材料粉末干燥，湿球磨后加入2mol％的PVA（聚乙烯醇）。 成型时间为100MPa。 将模制样品在还原炉中烧结，其中N 2和H 2气体的混合比为90至10。 烧结的样品在900℃下再氧化，氧化晶界和样品表面，形成高抗蚀剂层。 在再氧化样品上，通过热处理Ag电极形成外电极。
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公开(公告)号：KR1020020028280A
公开(公告)日：2002-04-17
申请号：KR1020000059209
申请日：2000-10-09
Applicant: 한국과학기술연구원
IPC: H01C7/10
Abstract: PURPOSE: A method for manufacturing a low voltage MELF(metal electrode face bonding device) type varistor-capacitor multifunctional device is provided to reduce cost, mount to a PCB without leads or packaging, and simultaneously obtain varistor characteristic and capacitor characteristic. CONSTITUTION: A low voltage MELF type varistor-capacitor multifunctional device is manufactured by using Sr0.9Ca0.1TiO3 as basic material powder. The basic material powder is subjected to wet milling for 24 hours after Nb2O5 of 0.4-0.6 mol% is added. The basic material powder is calcined at 1100°C for 2 hours after wet ball milling. After adding MnO of 0.2mol% and SiO2 of 0.2mol% to the calcined material, the calcined material is subjected to wet ball milling for 24 hours. Then, organic vehicle is mixed to form slurry. The slurry is molded as a pipe by a dice. The pipe is sintered in a reduction furnace for 4 hours. The sintered sample is re-oxidized in a furnace with the air at 800°C. On the re-oxidized sample, outer electrodes are formed by thermally processing Ag electrodes at 600°C for 10 minutes.
Abstract translation: 目的：提供一种用于制造低压MELF（金属电极面接合装置）型变阻器电容器多功能装置的方法，以降低成本，安装到没有引线或封装的PCB上，并同时获得压敏电阻特性和电容器特性。 构成：使用Sr0.9Ca0.1TiO3作为基础材料粉末制造低压MELF型变阻器电容器多功能元件。 在加入0.4-0.6mol％的Nb2O5之后，将基础材料粉末进行湿磨24小时。 基础材料粉末在湿球磨后在1100℃下煅烧2小时。 在煅烧材料中加入0.2mol％的MnO和0.2mol％的SiO 2后，将煅烧后的材料进行湿式球磨24小时。 然后，将有机载体混合形成浆料。 浆料通过骰子成型为管。 将管在还原炉中烧结4小时。 烧结的样品在800℃的空气中在炉中再次氧化。 在再氧化样品上，通过在600℃下热处理Ag电极10分钟形成外部电极。
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公开(公告)号：KR100302455B1
公开(公告)日：2001-10-17
申请号：KR1019980030344
申请日：1998-07-28
Applicant: 한국과학기술연구원
IPC: C04B35/495
Abstract: 본 발명은 고주파용 세라믹스 조성물에 관한 것으로, 특히 1 mole의 MgNb
2 O
6 에 대해 각각 0 ∼ 1 mole의 TiO
2 를 조합으로 하는 것을 주 조성으로 하고 첨가제로서 MO
3 (M
6+ = W, Mo, Cr, Se, Te 및 Po)가 각각 0 ∼ 0.4 wt%로 구성되는 것을 특징으로 하는 유전체 세리믹스 조성물에 관한 것으로, 기존의 고주파 유전체 조성보다 비교적 낮은 소결온도 (1,200℃)이면서 높은 품질계수 (QX f > 40,000 GHz)와 유전상수 ( εr > 25) 및 안정된 온도계수 (τf = -49∼ +38 ppm/℃)의 우수한 고주파 유전특성이 MgNb
2 O
6- TiO
2 와 같은 비교적 저가의 원료로 구현되는 것을 특징으로 한다.
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