Process for producing nanoscale yttrium aluminum garnet (YAG) fluorescent powders
US6869544B2 · kind B2 · utility
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13Claims
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Key dates
| Filing date | Oct 31, 2002 |
| Grant date | Mar 22, 2005 |
| Priority date | — |
| Expiry date | Oct 31, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K11/7706
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention pertains to a process for synthesizing nano-scale yttrium aluminum garnet (YAG) fluorescent powders having formula (I):(Y3−xR1x)(Al5−yR2y)O12 (I)wherein R1 and R2 are independently selected from the elements consisting of rare earth metals and transition metals, and each of x and y is independently a value between 0 and 1.5, where the process comprises the steps:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.