Mixed-gas species plasma source system
US-2025210303-A1 · Jun 26, 2025 · US
with an applied axial magnetic field
with an applied axial magnetic field · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01J27/18 |
| Official title | with an applied axial magnetic field |
| Display label | with an applied axial magnetic field |
| Total patents | 26 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2017 | 3 |
| 2018 | 4 |
| 2019 | 6 |
| 2021 | 3 |
| 2022 | 1 |
| 2023 | 3 |
| 2024 | 3 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Accelerator and particle therapy system
US-12261011-B2 · Mar 25, 2025 · US
Cyclotron having continuously variable energy output
US-12106925-B2 · Oct 1, 2024 · US
Ion milling device
US-2024194443-A1 · Jun 13, 2024 · US
Automatic adjustment method and automatic adjustment device of beam of semiconductor apparatus, and training method of parameter adjustment model
US-11955309-B2 · Apr 9, 2024 · US
Accelerator and particle therapy system
US-2023282436-A1 · Sep 7, 2023 · US
Modular microwave source with local lorentz force
US-11721532-B2 · Aug 8, 2023 · US
Cyclotron having continuously variable energy output
US-2023207247-A1 · Jun 29, 2023 · US
Automatic adjustment method and automatic adjustment device of beam of semiconductor apparatus, and training method of parameter adjustment model
US-2022384139-A1 · Dec 1, 2022 · US
Specific type ion source and plasma film forming apparatus
US-2021305016-A1 · Sep 30, 2021 · US
Modular microwave source with local lorentz force
US-2021287882-A1 · Sep 16, 2021 · US
Modular microwave source with local Lorentz force
US-11037764-B2 · Jun 15, 2021 · US
Compact multi antenna based ion sources
US-10522315-B2 · Dec 31, 2019 · US
Plasma source
US-10470284-B2 · Nov 5, 2019 · US
Dynamic temperature control of an ion source
US-10347457-B1 · Jul 9, 2019 · US
Dynamic Temperature Control Of An Ion Source
US-2019189387-A1 · Jun 20, 2019 · US
Compact multi antenna based ion sources
US-2019080873-A1 · Mar 14, 2019 · US
Plasma source
US-10199201-B2 · Feb 5, 2019 · US
Plasma source
US-2018374676-A1 · Dec 27, 2018 · US
Plasma source
US-2018343731-A1 · Nov 29, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01J27/18?
- CPC H01J27/18 is the Cooperative Patent Classification code for “with an applied axial magnetic field.”
- How many patents are filed under CPC H01J27/18 (with an applied axial magnetic field)?
- Our database includes 26 publications tagged with this CPC code.
- Is patent activity under CPC H01J27/18 growing?
- Publication counts under this code: 3 in 2024 vs 2 in 2025 (latest complete years).