Title:
A radioactive ceramic material which has a concentration gradient of a dopant, its manufacturing method, and directions for use
Document Type and Number:
Japanese Patent JP6096121
Kind Code:
B2
Abstract:
Disclosed herein are emissive ceramic materials having a dopant concentration gradient along a thickness of a yttrium aluminum garnet (YAG) region. The dopant concentration gradient may include a maximum dopant concentration, a half-maximum dopant concentration, and a slope at or near the half-maximum dopant concentration. The emissive ceramics may, in some embodiments, exhibit high internal quantum efficiencies (IQE). The emissive ceramics may, in some embodiments, include porous regions. Also disclosed herein are methods of make the emissive ceramic by sintering an assembly having doped and non-doped layers.
Inventors:
Bread, coin
Hiroaki Miyakawa
Hironaka Fujii
Chang, Bin
Mukherjee, Rajesh
Toshitaka Nakamura
Shu Mochizuki
Hiroaki Miyakawa
Hironaka Fujii
Chang, Bin
Mukherjee, Rajesh
Toshitaka Nakamura
Shu Mochizuki
Application Number:
JP2013542105A
Publication Date:
March 15, 2017
Filing Date:
November 29, 2011
Export Citation:
Assignee:
NITTO DENKO CORPORATION
International Classes:
C04B35/44; H01L33/50
Domestic Patent References:
| JP2008533270A | ||||
| JP2008502131A | ||||
| JP2006352085A | ||||
| JP2002042525A | ||||
| JP2009270091A |
Foreign References:
| WO2009148176A1 |
Attorney, Agent or Firm:
Patent Business Corporation Unias International Patent Office
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