Method for producing a single crystal from semiconductor material by the FZ method; device for carrying out the method and semiconductor silicon wafer
US-11788201-B2 · Oct 17, 2023 · US
Stirring of the molten zone · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C30B13/26 |
| Official title | Stirring of the molten zone |
| Display label | Stirring of the molten zone |
| Total patents | 6 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2018 | 1 |
| 2021 | 2 |
| 2022 | 1 |
| 2023 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-11788201-B2 · Oct 17, 2023 · US
US-11414777-B2 · Aug 16, 2022 · US
US-2021222319-A1 · Jul 22, 2021 · US
US-2021025075-A1 · Jan 28, 2021 · US
US-9932691-B2 · Apr 3, 2018 · US
US-2016177469-A1 · Jun 23, 2016 · US