Glass substrate for EUVL, manufacturing method thereof, mask blank for EUVL, and manufacturing method thereof
US-12209046-B2 · Jan 28, 2025 · US
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containing carbon
containing carbon · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C03C2201/26 |
| Official title | containing carbon |
| Display label | containing carbon |
| Total patents | 23 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2017 | 1 |
| 2018 | 3 |
| 2019 | 8 |
| 2020 | 2 |
| 2021 | 3 |
| 2022 | 3 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Carbon-doped silicon dioxide glass and methods of manufacturing thereof
US-11919805-B2 · Mar 5, 2024 · US
Preparation of a quartz glass body in a multi-chamber oven
US-11708290-B2 · Jul 25, 2023 · US
Preparation of quartz glass bodies with dew point monitoring in the melting oven
US-11492282-B2 · Nov 8, 2022 · US
Preparation of carbon-doped silicon dioxide granulate as an intermediate in the preparation of quartz glass
US-11339076-B2 · May 24, 2022 · US
Preparation of an opaque quartz glass body
US-11236002-B2 · Feb 1, 2022 · US
Glass substrate for euvl, manufacturing method thereof, mask blank for euvl, and manufacturing method thereof
US-2021355024-A1 · Nov 18, 2021 · US
Carbon-doped silicon dioxide glass and methods of manufacturing thereof
US-2021214267-A1 · Jul 15, 2021 · US
Spray granulation of silicon dioxide in the preparation of quartz glass
US-11053152-B2 · Jul 6, 2021 · US
Preparation of a quartz glass body in a multi-chamber oven
US-2020361806-A1 · Nov 19, 2020 · US
Preparation of a quartz glass body in a multi-chamber oven
US-10730780-B2 · Aug 4, 2020 · US
Preparation of an opaque quartz glass body
US-2019092674-A1 · Mar 28, 2019 · US
Preparation of a quartz glass body in a hanging sinter crucible
US-2019092676-A1 · Mar 28, 2019 · US
Preparation of quartz glass bodies with dew point monitoring in the melting oven
US-2019092675-A1 · Mar 28, 2019 · US
Preparation of a quartz glass body in a hanging metal sheet crucible
US-2019077688-A1 · Mar 14, 2019 · US
Spray granulation of silicon dioxide in the preparation of quartz glass
US-2019077691-A1 · Mar 14, 2019 · US
Reducing carbon content of silicon dioxide granulate and the preparation of a quartz glass body
US-2019077672-A1 · Mar 14, 2019 · US
Preparation of a quartz glass body in a multi-chamber oven
US-2019062193-A1 · Feb 28, 2019 · US
Steam treatment of silicon dioxide powder in the preparation of quartz glass
US-2019062194-A1 · Feb 28, 2019 · US
Preparation of carbon-doped silicon dioxide granulate as an intermediate in the preparation of quartz glass
US-2018370835-A1 · Dec 27, 2018 · US