Red phosphor for fluorescent display and preparation method thereof
    2.
    发明授权
    Red phosphor for fluorescent display and preparation method thereof 有权
    荧光显示用红色荧光体及其制备方法

    公开(公告)号:US06373184B1

    公开(公告)日:2002-04-16

    申请号:US09435038

    申请日:1999-11-05

    IPC分类号: C09K1150

    CPC分类号: C09K11/7703

    摘要: Provided with a phosphor for a fluorescent display that includes at least one divalent transition metal and at least two trivalent metal added to SrTiO3 and having a formula of: SrTi1−x−yMxNyO3:zPr3+ wherein M represents the divalent transition metal selected from the group consisting of Zn, Mn, Co, Ni, Cu and Cd, N represents the trivalent metal selected from the group consisting of Ga, Al, In and B, and 0≦x≦0.1, 0≦y≦0.1 and 0≦z≦0.1.

    摘要翻译: 提供一种用于荧光显示器的荧光体,其包括至少一种二价过渡金属和添加到SrTiO 3中的至少两种三价金属,并具有下式:其中M表示选自Zn,Mn,Co, Ni,Cu和Cd,N表示选自Ga,Al,In和B的三价金属,0表示0 <= x <= 0.1,0 <= y <= 0.1,0 <= z <= 0.1。

    Dielectric ceramic composition for boundary layer condensers and a
method for preparing the same
    7.
    发明授权
    Dielectric ceramic composition for boundary layer condensers and a method for preparing the same 失效
    用于边界层冷凝器的介电陶瓷组合物及其制备方法

    公开(公告)号:US5597769A

    公开(公告)日:1997-01-28

    申请号:US423496

    申请日:1995-04-19

    CPC分类号: C04B35/47 C03C10/00

    摘要: A dielectric ceramic composition having an empirical formula represented by (Sr.sub.l-2x Bi.sub.x Ti.sub.l-y W.sub.y)O.sub.3 wherein x is in a range of 0.0005 to 0.003 and y is in a range of 0.0015 to 0.009 for boundary layer condensers and a method for preparing the same which are comprising the steps of: mixing Bi.sub.2 O.sub.3 -WO.sub.3 frit powder with main component having an empirical formula represented by Sr.sub.l-2x Ti.sub.l-y O.sub.3 wherein x is in a range of 0.0005 to 0.003 and y is in a range of 0.0015 to 0.009, in a wet manner, the Bi.sub.2 O.sub.3 frit serving as a reducing agent; drying the resulting mixture; sintering the dried mixture at a temperature of 1,400 to 1,470.degree. C under a reducing atmosphere; and applying secondary thermal treatment to the sintered body at 1,250.degree. C are disclosed.

    摘要翻译: 具有由(Srl-2xBixTil-yWy)O3表示的经验式的介电陶瓷组合物及其制备方法,其中x在0.0005至0.003的范围内,y对于边界层冷凝器的范围为0.0015至0.009, 包括以下步骤:将Bi 2 O 3 -WO 3玻璃料粉末与主要组分混合,其主要组分具有由Srl-2xTil-yO 3表示的经验式,其中x在0.0005至0.003的范围内,y在0.0015至0.009的范围内, 方式,作为还原剂的Bi2O3玻璃料; 干燥所得混合物; 在还原气氛下,在1400〜1,470℃的温度下烧结干燥后的混合物; 并公开了在1,250℃下对烧结体进行二次热处理。