Ceramic substrate for light emitting diode where the substrate incorporates ESD protection
US7768754B2 · kind B2 · utility
12Cited by
14References
10Claims
0Family size
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Key dates
| Filing date | Aug 30, 2007 |
| Grant date | Aug 3, 2010 |
| Priority date | — |
| Expiry date | Oct 5, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49171
- WIPO fieldSemiconductors
- WIPO sectorElectrical engineering
Abstract
A metal oxide varistor comprising one or more zinc oxide layers is formed integral to a ceramic substrate to provide ESD protection of a semiconductor device mounted to the substrate. The portion of the ceramic substrate not forming the varistor may be aluminum oxide, aluminum nitride, silicon carbide, or boron nitride. The varistor portion may form any part of the ceramic substrate, including all of the ceramic substrate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.