Multilayer ceramic substrate
US7733663B2 · kind B2 · utility
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2Claims
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Key dates
| Filing date | Apr 29, 2008 |
| Grant date | Jun 8, 2010 |
| Priority date | — |
| Expiry date | Apr 29, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24926
- WIPO fieldSemiconductors
- WIPO sectorElectrical engineering
Abstract
A multilayer ceramic substrate includes a plurality of ceramic layers laminated each other. The plurality of ceramic layers form a bulge and a cavity having such a shape that an opening area of the cavity gradually becomes smaller toward a bottom of the cavity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.