Charged particle source
US-2022068589-A1 · Mar 3, 2022 · US
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Magnetic lenses
Magnetic lenses · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01J3/20 |
| Official title | Magnetic lenses |
| Display label | Magnetic lenses |
| Total patents | 18 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 1 |
| 2017 | 6 |
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 1 |
| 2021 | 1 |
| 2022 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Charged particle source
US-11075053-B2 · Jul 27, 2021 · US
Charged particle source
US-2020126753-A1 · Apr 23, 2020 · US
Charged particle source
US-10468227-B2 · Nov 5, 2019 · US
Charged Particle Source
US-2019057833-A1 · Feb 21, 2019 · US
Charged particle source
US-10032600-B2 · Jul 24, 2018 · US
Charged particle source
US-9812283-B2 · Nov 7, 2017 · US
Charged particle source
US-9799484-B2 · Oct 24, 2017 · US
Charged particle source
US-9754760-B2 · Sep 5, 2017 · US
Charged Particle Source
US-2017125203-A1 · May 4, 2017 · US
Charged Particle Source
US-2017125204-A1 · May 4, 2017 · US
Charged Particle Source
US-2017125202-A1 · May 4, 2017 · US
Charged Particle Source
US-2016163500-A1 · Jun 9, 2016 · US
Multi-axis magnetic lens for focusing a plurality of charged particle beams
US-9202658-B2 · Dec 1, 2015 · US
Permanent magnet based high performance multi-axis immersion electron lens array with low axial leakage field
US-9165745-B2 · Oct 20, 2015 · US
Gun configured to generate charged particles
US-9093243-B2 · Jul 28, 2015 · US
Multi-axis Magnetic Lens for Focusing a Plurality of Charged Particle Beams
US-2015179384-A1 · Jun 25, 2015 · US
Multi-axis magnetic lens for focusing a plurality of charged particle beams
US-9000394-B2 · Apr 7, 2015 · US