Graphene laminate with band gap
US9406513B2 · kind B2 · utility
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Key dates
| Filing date | Feb 21, 2014 |
| Grant date | Aug 2, 2016 |
| Priority date | — |
| Expiry date | Jun 16, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10D30/47
- WIPO fieldSemiconductors
- WIPO sectorElectrical engineering
Abstract
A graphene laminate includes a first piezoelectric material layer having a negatively-charged surface and a positively-charged surface, a first graphene layer under the first piezoelectric material layer, the first graphene layer contacting the positively-charged surface of the first piezoelectric material layer, a second graphene layer underlying the first graphene layer, and a second piezoelectric material layer under the second graphene layer, the second piezoelectric material layer having a negatively-charged surface and a positively-charged surface, the negatively-charged surface contacting the second graphene layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.