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    • 6. 发明授权
    • Phosphor and production process for the same
    • 磷光体和生产工艺相同
    • US07303697B2
    • 2007-12-04
    • US11038112
    • 2005-01-21
    • Tetsuhiko Isobe
    • Tetsuhiko Isobe
    • C09K11/59C09K11/66
    • C09K11/02C09K11/574Y02P20/544Y10S977/811Y10S977/834Y10T428/2991Y10T428/2998
    • The object of the present invention is to provide a phosphor which is excellent in transparency, light transmittance, luminescence efficiency and luminescent intensity and at the same time, processes for producing the phosphor. Preferred embodiments of the invention include a phosphor characterized in that phosphor particles represented by the general formula [(L)a(M)b(N)cOd:Y] are covered with an organic compound bearing at least one functional group at a terminal or side chain, wherein L is a metallic element such as Zn; M is a metallic element such as Al; N is Si or Ge; O is oxygen; Y is at least one activating agent such as Mn2+, Eu2+, Cu2+ or Yb2+; and a, b, c and d are each a value satisfying the relationships 0
    • 本发明的目的是提供透明性,透光率,发光效率和发光强度优异的荧光体,同时提供荧光体的制造方法。 本发明的优选实施方案包括一种荧光体,其特征在于由通式[(L)a(M)b(N) Y]被末端或侧链具有至少一个官能团的有机化合物覆盖,其中L是诸如Zn的金属元素; M是金属元素,如Al; N是Si或Ge; O是氧; Y是至少一种活化剂,例如Mn 2+,Eu 2+,Cu 2+,或者Yb 2+, SUP>; 并且a,b,c和d分别是满足关系0
    • 7. 发明授权
    • Method for producing calcium phosphate powder
    • 磷酸钙粉末的制造方法
    • US06569396B1
    • 2003-05-27
    • US09701193
    • 2000-11-27
    • Shouhan YanagiMamoru SennaTetsuhiko IsobeManabu Kanayama
    • Shouhan YanagiMamoru SennaTetsuhiko IsobeManabu Kanayama
    • C01B2532
    • C01B25/32C01B25/324
    • The present invention provides a method of manufacturing calcium phosphate powder comprising the steps of preparing a mixed material by mixing calcium hydroxide (Ca(OH)2) powder and calcium hydrogenphosphate powder so that a molar ratio (Ca/P) of calcium to phosphor is set to a range of 1.45-1.72; conducting a mixing/milling treatment to the mixed material to cause a soft-mechanochemical compositing reaction thereby to prepare a calcium phosphate precursor; and conducting a heat treatment to thus obtained precursor at a temperature of 600° C. or more thereby to prepare calcium phosphate powder. According to the present invention, the manufacturing process is simple and the manufacturing cost can be remarkably reduced. In addition, fine calcium phosphate powder excellent in characteristics can be easily manufactured in a short time.
    • 本发明提供一种磷酸钙粉末的制造方法,其特征在于,通过混合氢氧化钙(Ca(OH)2)粉末和磷酸氢钙粉末,使钙与磷的摩尔比(Ca / P)为 设定在1.45-1.72的范围内; 对混合材料进行混合/研磨处理以引起软化机械复合反应,从而制备磷酸钙前体; 在600℃以上的温度下进行如此得到的前体的热处理,制作磷酸钙粉末。 根据本发明,制造过程简单,制造成本显着降低。 另外,能够在短时间内容易地制造出特性优异的细小的磷酸钙粉末。