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    • 1. 发明公开
    • 지르코니아의 변색 방법
    • 改变ZIRCONIA颜色的方法
    • KR1020110076357A
    • 2011-07-06
    • KR1020090133046
    • 2009-12-29
    • 서울시립대학교 산학협력단
    • 송오성노병춘
    • C30B29/00
    • PURPOSE: A method for changing the color of zirconia is provided to cost effectively mass-produce color zirconia and satisfy the respective desire of customers by producing zirconia with various colors. CONSTITUTION: Zirconia is thermally processed at temperature between 1000 and 2000 degrees Celsius under one of vacuum atmosphere, reductive atmosphere, and oxidizing atmosphere to change the color of the zirconia. The zirconia includes a cubic phase mono crystalline structure and manufactured based on ZrO_2 and Y_2O_3. One or more oxides of Ce, Pr, Po, Mn, Co, Ni, and Fe are further included in the zirconia.
    • 目的:提供改变氧化锆颜色的方法,以便成本有效地批量生产彩色氧化锆,并通过生产各种颜色的氧化锆满足客户的各自愿望。 构成:氧化锆在真空气氛,还原气氛和氧化气氛之一的温度下在1000至2000摄氏度之间进行热处理,以改变氧化锆的颜色。 氧化锆包括立方相单晶结构,基于ZrO_2和Y_2O_3制造。 Ce,Pr,Po,Mn,Co,Ni和Fe中的一种或多种氧化物还包括在氧化锆中。
    • 3. 发明授权
    • 자기광학 재료
    • 磁性光学材料
    • KR100177883B1
    • 1999-03-20
    • KR1019960025195
    • 1996-06-28
    • 한국생산기술연구원
    • 박현식
    • C30B29/00
    • 본 발명은 자기광학 재료에 관한 것으로서 더 상세하게는 자기광학재료중 패러데이 현상을 나타내는 가네트 재료에 있어서 격자상수가 큰 가네트계 기판(격자상수 12.51Å - 12.7Å)을 사용하여 비스무트(원소기호 Bi) 치환량이 증대되도록 함으로써 패러데이 회전능의 값을 개선한 자기광학 재료에 관한 것이다. 이를 위한 본 발명은, 자기광학 재료에 있어서, 화학식 (A)
      3 (B)
      5 O
      12 로 이루어진 기판이 PbO (38.7-73.2mol%), Bi
      2 O
      3 (12.4-90mol%), B
      2 O
      3 (4.1-16.5mol%), Tb
      4 O
      7 (0.1-1.5mol%), Ho
      2 O
      3 (0-1.5mol%), Fe
      2 O
      3 (7.3-18mol%), Ga
      2 O
      3 (0.4-1.5mol%), Al
      2 O
      3 (0.4-1.5mol%)의 조성비율을 갖는 용액에서 단결정막 성장되어 적어도 12.5Å이상의 격자상수를 갖게 되는 점에 그 특징이 있다. 여기서, 상기 기판의 화학식중에서 A는 K, Ba, Na, Sr, Ca, La, Gd, Sm, Ln, Pb등의 희토류 원소 및 천이원소이고, B는 Mg, Li, Fe, Zn, Ga, Ge, V, Si, W, Al, Sn등의 희토류 원소 및 천이원소이다. 이로써, 본 발명은 패러데이 회전능의 값을 향상시킬 수 있고, 패러데이 회전자의 두께를 줄일 수 있는 이점을 제공한다.
    • 7. 发明公开
    • SYNTHESIS OF TOURMALINE RED COLORED CUBIC ZIRCONIA SINGLE CRYSTALS
    • 旅游红色彩色CUBIC ZIRCONIA单晶的合成
    • KR20070099769A
    • 2007-10-10
    • KR20060030949
    • 2006-04-05
    • KOREA INST SCI & TECH
    • JOO GI TAEKANG BONG HOON
    • C30B29/00C30B29/16
    • A manufacturing method of a tourmaline red colored cubic zirconia single crystal is provided to enable mass production and improve quality by adding MnO2 to the material of the crystal as a color developer and performing a heat-treatment in a neutral or reduction atmosphere. A manufacturing method of a tourmaline red colored cubic zirconia single crystal includes the steps of: mixing an oxide material; charging a skull melting apparatus with a compound obtained from the prior step, and growing a zirconia single crystal with a skull melting method; and performing the heat-treatment of the single crystal at the temperature of 950 - 1500 degrees centigrade in a furnace of a neutral or reduction atmosphere. The oxide material includes ZrO2 of 50 - 90 weight%, Y2O3 of 10 - 50 weight%, CeO2, Er2O3, a color former of 0.02 - 9 weight%, and MnO2 of 0.01 - 4 weight% as a color developer. The color developer is added less than half of the color former.
    • 提供了一种电气石红色立方氧化锆单晶的制造方法,可通过向作为显色剂的晶体材料中添加MnO 2并在中性或还原气氛中进行热处理,从而大量生产并提高质量。 电气石红色立方氧化锆单晶的制造方法包括以下步骤:将氧化物材料混合; 用前述步骤获得的化合物装入颅骨熔化装置,并用头骨熔化法生长氧化锆单晶; 在中性或还原气氛的炉中,在950〜1500℃的温度下进行单晶的热处理。 氧化物材料包括50-90重量%的ZrO 2,10-50重量%的Y 2 O 3,CeO 2,Er 2 O 3,0.02-9重量%的成色剂,和作为显色剂的MnO 2为0.01-4重量%。 彩色显影剂的添加量少于成色剂的一半。
    • 9. 发明公开
    • 청색 큐빅 지르코니아 단결정의 제조방법
    • 制造蓝宝石ZIRCONIA单晶的方法提高颜色和可再生性
    • KR1020040092151A
    • 2004-11-03
    • KR1020030026373
    • 2003-04-25
    • 주식회사 휘닉스소재
    • 이재선
    • C30B29/00
    • C30B11/04C30B11/002C30B11/005C30B29/02
    • PURPOSE: A method of manufacturing a blue cubic zirconia single crystal is provided to improve remarkably the color and reproducibility by adding Nd2O3, CaO and Fe2O3 to cobalt. CONSTITUTION: ZrO2 of 50 to 90 weight% and Y2O3 10 to 50 weight% are mixed with each other. Co3O4, Nd2O3, CaO and Fe2O3 of 0.15 to 7.0 weight% are mixed to the Y2O3. The weight of Fe2O3 is less than 50% of that of Nd2O3. The mixture is filled in a skull container of high frequency inductively heating equipment. A zirconia single crystal is grown by performing skull melting using an oscillating frequency of 200 to 500 kHz. The single crystal is heat-treated at the temperature of 950 to 1500°C in a furnace of N2 or Ar neutral atmosphere or H2, CO, or NH4OH reducing atmosphere.
    • 目的:提供制造蓝色立方氧化锆单晶的方法,通过向钴中添加Nd2O3,CaO和Fe2O3来显着提高颜色和再现性。 构成:将50〜90重量%的ZrO 2和10〜50重量%的Y 2 O 3相互混合。 将0.15〜7.0重量%的Co 3 O 4,Nd 2 O 3,CaO,Fe 2 O 3与Y 2 O 3混合。 Fe2O3的重量小于Nd2O3的50%。 混合物填充在高频感应加热设备的颅骨容器中。 通过使用200至500kHz的振荡频率进行颅骨熔化来生长氧化锆单晶。 在N2或Ar中性气氛或H2,CO或NH4OH还原气氛下,在950〜1500℃的温度下对单晶进行热处理。