Diamond components for quantum imaging, sensing and information processing devices
US10883194B2 · kind B2 · utility
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18Claims
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Key dates
| Filing date | Nov 18, 2014 |
| Grant date | Jan 5, 2021 |
| Priority date | — |
| Expiry date | Nov 12, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10D62/8303
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A single crystal CVD diamond component comprising: a surface, wherein at least a portion of said surface is formed of as-grown growth face single crystal CVD diamond material which has not been polished or etched and which has a surface roughness Ra of no more than 100 nm; and a layer of NV− defects, said layer of NV− defects being disposed within 1 μm of the surface, said layer of NV− defects having a thickness of no more than 500 nm, and said layer of NV− defects having a concentration of NV− defects of at least 105 NV−/cm2.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.