Method for etching a ceramic phosphor converter
US8945415B2 · kind B2 · utility
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Key dates
| Filing date | Jun 14, 2013 |
| Grant date | Feb 3, 2015 |
| Priority date | — |
| Expiry date | Jun 14, 2033 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K11/0883
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A method is described for etching ceramic phosphor converters. The method includes contacting a surface of the converter with a solution of phosphor acid for a time sufficient to etch the converter. The method is applicable to ceramic phosphor converters comprising a phosphor having a general formula MxAlyOz:RE wherein M is a metal and RE is a rare earth element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.