Electrode for a discharge chamber
US-11127582-B2 · Sep 21, 2021 · US
KrF, i.e. krypton fluoride is comprised for lasing around 248 nm
KrF, i.e. krypton fluoride is comprised for lasing around 248 nm · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01S3/2256 |
| Official title | {KrF, i.e. krypton fluoride is comprised for lasing around 248 nm} |
| Display label | KrF, i.e. krypton fluoride is comprised for lasing around 248 nm |
| Total patents | 91 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 14 |
| 2016 | 10 |
| 2017 | 12 |
| 2018 | 9 |
| 2019 | 3 |
| 2020 | 9 |
| 2021 | 9 |
| 2022 | 7 |
| 2023 | 7 |
| 2024 | 3 |
| 2025 | 4 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Energy measuring apparatus and excimer laser apparatus
US-2021116294-A1 · Apr 22, 2021 · US
Line narrowing module
US-10916910-B2 · Feb 9, 2021 · US
Laser gas regenerating apparatus and electronic device manufacturing method
US-2020403371-A1 · Dec 24, 2020 · US
Electrode for a discharge chamber
US-2020328074-A1 · Oct 15, 2020 · US
Online calibration for repetition rate dependent performance variables
US-2020321746-A1 · Oct 8, 2020 · US
Laser apparatus
US-10797465-B2 · Oct 6, 2020 · US
Beam reverser module and optical power amplifier having such a beam reverser module
US-10777958-B2 · Sep 15, 2020 · US
Narrowband laser apparatus and spectral linewidth measuring apparatus
US-10741991-B2 · Aug 11, 2020 · US
Online calibration for repetition rate dependent performance variables
US-10727642-B2 · Jul 28, 2020 · US
Laser apparatus, laser apparatus management system, and laser apparatus management method
US-2020067259-A1 · Feb 27, 2020 · US
Line narrowing module
US-2020014168-A1 · Jan 9, 2020 · US
Line-narrowed KrF excimer laser apparatus
US-10502623-B2 · Dec 10, 2019 · US
Laser apparatus
US-2019181607-A1 · Jun 13, 2019 · US
LINE-NARROWED KrF EXCIMER LASER APPARATUS
US-2019107438-A1 · Apr 11, 2019 · US
Gas laser device and condenser
US-10096966-B2 · Oct 9, 2018 · US
Gas mixture control in a gas discharge light source
US-10090629-B2 · Oct 2, 2018 · US
Narrowband laser apparatus and spectral linewidth measuring apparatus
US-2018254600-A1 · Sep 6, 2018 · US
Laser gas purifying system and laser system
US-2018241170-A1 · Aug 23, 2018 · US
Laser system
US-9966721-B2 · May 8, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01S3/2256?
- CPC H01S3/2256 is the Cooperative Patent Classification code for “KrF, i.e. krypton fluoride is comprised for lasing around 248 nm.”
- How many patents are filed under CPC H01S3/2256 (KrF, i.e. krypton fluoride is comprised for lasing around 248 nm)?
- Our database includes 91 publications tagged with this CPC code.
- Is patent activity under CPC H01S3/2256 growing?
- Publication counts under this code: 3 in 2024 vs 4 in 2025 (latest complete years).