Isothermal ion source with auxiliary heaters
US-12463001-B2 · Nov 4, 2025 · US
Metal ion sources
Metal ion sources · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01J27/22 |
| Official title | Metal ion sources |
| Display label | Metal ion sources |
| Total patents | 27 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2017 | 3 |
| 2018 | 3 |
| 2019 | 1 |
| 2020 | 3 |
| 2021 | 2 |
| 2022 | 2 |
| 2023 | 7 |
| 2024 | 2 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Methods for determining the virtual source location of a liquid metal ion source
US-2025157780-A1 · May 15, 2025 · US
Methods for determining the virtual source location of a liquid metal ion source
US-12237142-B2 · Feb 25, 2025 · US
Liquid metal ion source device for using bismuth and alloy of bismuth
US-2024331967-A1 · Oct 3, 2024 · US
Isothermal ion source with auxiliary heaters
US-2024047165-A1 · Feb 8, 2024 · US
Discharge device with minimal noise generation
US-11855418-B2 · Dec 26, 2023 · US
Crucible design for liquid metal in an ion source
US-11854760-B2 · Dec 26, 2023 · US
Methods for determining the virtual source location of a liquid metal ion source
US-2023411109-A1 · Dec 21, 2023 · US
Hybrid ion source for aluminum ion generation using a target holder and organoaluminium compounds
US-2023369006-A1 · Nov 16, 2023 · US
Method and device for operating a liquid metal-ion source or liquid metal electron source as well as a liquid metal-ion source or liquid metal electron source
US-11705299-B2 · Jul 18, 2023 · US
Etching aluminum nitride or aluminum oxide to generate an aluminum ion beam
US-11699563-B2 · Jul 11, 2023 · US
Discharge device
US-2023198233-A1 · Jun 22, 2023 · US
Crucible Design For Liquid Metal In An Ion Source
US-2022406554-A1 · Dec 22, 2022 · US
Etching aluminum nitride or aluminum oxide to generate an aluminum ion beam
US-2022139662-A1 · May 5, 2022 · US
Method and device for operating a liquid metal-ion source or liquid metal electron source as well as a liquid metal-ion source or liquid metal electron source
US-2021383994-A1 · Dec 9, 2021 · US
Ion generation device with brush-like discharge electrodes
US-10910186-B2 · Feb 2, 2021 · US
Method for operating a particle beam generator for a particle beam device and particle beam device comprising a particle beam generator
US-10763076-B2 · Sep 1, 2020 · US
Ion generation device, method for producing ion generating device, and electrical device
US-10748733-B2 · Aug 18, 2020 · US
Ion source
US-10600608-B1 · Mar 24, 2020 · US
Method for operating a particle beam generator for a particle beam device and particle beam device comprising a particle beam generator
US-2019355551-A1 · Nov 21, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01J27/22?
- CPC H01J27/22 is the Cooperative Patent Classification code for “Metal ion sources.”
- How many patents are filed under CPC H01J27/22 (Metal ion sources)?
- Our database includes 27 publications tagged with this CPC code.
- Is patent activity under CPC H01J27/22 growing?
- Publication counts under this code: 2 in 2024 vs 3 in 2025 (latest complete years).