Line narrowed gas laser apparatus, control method therefor, electronic device manufacturing method
US-12140869-B2 · Nov 12, 2024 · US
Two-wavelenghth emission
Two-wavelenghth emission · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01S3/0809 |
| Official title | {Two-wavelenghth emission} |
| Display label | Two-wavelenghth emission |
| Total patents | 68 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 8 |
| 2017 | 5 |
| 2018 | 5 |
| 2019 | 5 |
| 2020 | 8 |
| 2021 | 2 |
| 2022 | 8 |
| 2023 | 7 |
| 2024 | 10 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Line narrowing device, electronic device manufacturing method
US-12111577-B2 · Oct 8, 2024 · US
Exposure method, exposure system, and method for manufacturing electronic devices
US-12105425-B2 · Oct 1, 2024 · US
Narrowed-line gas laser apparatus and method for manufacturing electronic devices
US-12068572-B2 · Aug 20, 2024 · US
2.8 micrometer and 3.5 micrometer dual-wavelength mid-infraredfiber laser
US-2024275120-A1 · Aug 15, 2024 · US
Switching Mechanism for A Multi-Spectral Laser Transmitter
US-2023387645-A1 · Nov 30, 2023 · US
Laser apparatus and method of manufacturing electronic device
US-2023352900-A1 · Nov 2, 2023 · US
Frequency stablizing system and method for single-cavity multi-frequency comb
US-2023291169-A1 · Sep 14, 2023 · US
Optical fiber raw material composition, optical fiber, and optical fiber product
US-2023275388-A1 · Aug 31, 2023 · US
Tunable microwave source based on dual-wavelength lasing of single optical whispering gallery microcavity
US-2023187894-A1 · Jun 15, 2023 · US
Laser apparatus, wavelength control method, and electronic device manufacturing method
US-2023155343-A1 · May 18, 2023 · US
Efficient raman visible laser with enhancement of the cavity reflectivity
US-2023036257-A1 · Feb 2, 2023 · US
Photonic Integrated Circuit (PIC) Radio Frequency Oscillator
US-2022404550-A1 · Dec 22, 2022 · US
Exposure method, exposure system, and method for manufacturing electronic devices
US-2022390851-A1 · Dec 8, 2022 · US
Line narrowed gas laser apparatus, control method therefor, electronic device manufacturing method
US-2022385029-A1 · Dec 1, 2022 · US
Line narrowing device, electronic device manufacturing method
US-2022385027-A1 · Dec 1, 2022 · US
Narrowed-line gas laser apparatus and method for manufacturing electronic devices
US-2022385030-A1 · Dec 1, 2022 · US
Line narrowing gas laser device, control method thereof, and electronic device manufacturing method
US-2022385022-A1 · Dec 1, 2022 · US
Pulsed laser with intracavity frequency conversion aided by extra-cavity frequency conversion
US-11394169-B2 · Jul 19, 2022 · US
Pulsed laser with intracavity frequency conversion aided by extra-cavity frequency conversion
US-2022052504-A1 · Feb 17, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01S3/0809?
- CPC H01S3/0809 is the Cooperative Patent Classification code for “Two-wavelenghth emission.”
- How many patents are filed under CPC H01S3/0809 (Two-wavelenghth emission)?
- Our database includes 68 publications tagged with this CPC code.
- Is patent activity under CPC H01S3/0809 growing?
- Publication counts under this code: 10 in 2024 vs 2 in 2025 (latest complete years).