Fluorescent substance, fluorescent composition, fluorescent mark carrier and optical reader therefor
申请人:Hitachi Maxell, Ltd.
公开号:US20010030313A1
公开(公告)日:2001-10-18
A fluorescent substance of the following general formula:
Ln
x
A
1-X
PO
4
wherein Ln represents at least one element selected from the group consisting of Nd, Yb and Er; A represents at least one element selected from the group consisting of Y, La, Gd, Bi, Ce, Lu, In and Tb; and X represents a value within the range of 0.01 to 0.99.
以下是通用公式LnxA1-XPO4的荧光物质,其中Ln表示从Nd,Yb和Er等元素组成的至少一个元素; A表示从Y,La,Gd,Bi,Ce,Lu,In和Tb等元素组成的至少一个元素; X表示在0.01至0.99范围内的值。