Thermal sensing layer for microbolometer and method of making the same
US-10481006-B1 · Nov 19, 2019 · US
Electricity
Electricity · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01L31/20 |
| Official title | — |
| Display label | Electricity (mapped technology topic) |
| Total patents | 84 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 15 |
| 2016 | 17 |
| 2017 | 11 |
| 2018 | 6 |
| 2019 | 12 |
| 2020 | 11 |
| 2021 | 5 |
| 2022 | 3 |
| 2023 | 1 |
| 2024 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Cost-efficient high power pecvd deposition for solar cells
US-2019326463-A1 · Oct 24, 2019 · US
Cost-efficient high power PECVD deposition apparatus for solar cells
US-10403779-B2 · Sep 3, 2019 · US
Photovoltaic device
US-10355145-B2 · Jul 16, 2019 · US
Cost-efficient high power pecvd deposition for solar cells
US-2019214519-A1 · Jul 11, 2019 · US
Cost-efficient high power PECVD deposition for solar cells
US-10319872-B2 · Jun 11, 2019 · US
Photovoltaic devices with an interfacial band-gap modifying structure and methods for forming the same
US-10297709-B2 · May 21, 2019 · US
Heterostructure germanium tandem junction solar cell
US-10283663-B2 · May 7, 2019 · US
Photovoltaic devices with an interfacial band-gap modifying structure and methods for forming the same
US-10283668-B2 · May 7, 2019 · US
Illumination sensitive current control device
US-10276816-B2 · Apr 30, 2019 · US
Selenium photomultiplier and method for fabrication thereof
US-2019027618-A1 · Jan 24, 2019 · US
Heterostructure germanium tandem junction solar cell
US-2018323330-A1 · Nov 8, 2018 · US
Solar cell
US-10014420-B2 · Jul 3, 2018 · US
Method for forming bond between different elements
US-9994684-B2 · Jun 12, 2018 · US
Photovoltaic device
US-2018138323-A1 · May 17, 2018 · US
Solar cell and method for manufacturing same
US-2018069144-A1 · Mar 8, 2018 · US
Photovoltaic device having layer with varying crystallinity
US-9911888-B2 · Mar 6, 2018 · US
Method for manufacturing photoelectric conversion device
US-2017323787-A1 · Nov 9, 2017 · US
Tandem solar cell with improved absorption material
US-9806211-B2 · Oct 31, 2017 · US
Solar cell
US-9793422-B2 · Oct 17, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01L31/20?
- CPC H01L31/20 is the Cooperative Patent Classification code for “Electricity.”
- How many patents are filed under CPC H01L31/20 (Electricity)?
- Our database includes 84 publications tagged with this CPC code.
- Is patent activity under CPC H01L31/20 growing?
- Publication counts under this code: 1 in 2023 vs 3 in 2024 (latest complete years).