Method for manufacturing polycrystalline silicon thin-film solar cells by means method for crystallizing large-area amorphous silicon thin film using linear electron beam
US-9680047-B2 · Jun 13, 2017 · 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 | H01L31/182 |
| Official title | — |
| Display label | Electricity (mapped technology topic) |
| Total patents | 248 |
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 | 29 |
| 2016 | 28 |
| 2017 | 29 |
| 2018 | 19 |
| 2019 | 39 |
| 2020 | 40 |
| 2021 | 12 |
| 2022 | 17 |
| 2023 | 13 |
| 2024 | 20 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Interdigitated back contact heterojunction photovoltaic device
US-9640699-B2 · May 2, 2017 · US
Solar cell emitter region fabrication using silicon nano-particles
US-9559246-B2 · Jan 31, 2017 · US
Device and method for restoring silicon-based solar cells using an ultrasound transducer
US-9484483-B2 · Nov 1, 2016 · US
Textured silicon substrate and method
US-2016315207-A1 · Oct 27, 2016 · US
Low-loss large-grain optical waveguide for interconnecting components integrated on a glass substrate
US-9472710-B1 · Oct 18, 2016 · US
Hybrid polysilicon heterojunction back contact cell
US-9466750-B2 · Oct 11, 2016 · US
Trench process and structure for backside contact solar cells with polysilicon doped regions
US-9437763-B2 · Sep 6, 2016 · US
Cmos compatible ultraviolet sensor device and method of producing a cmos compatible ultraviolet sensor device
US-2016254406-A1 · Sep 1, 2016 · US
Methods of imprint patterning of irregular surface
US-9425346-B2 · Aug 23, 2016 · US
Photo active layer by silicon quantum dot and the fabrication method thereof
US-9425336-B2 · Aug 23, 2016 · US
Method of manufacturing a solar cell by texturing a principal surface using an alkaline solution
US-9419168-B2 · Aug 16, 2016 · US
Solar cell
US-9412885-B2 · Aug 9, 2016 · US
Solar cell emitter region fabrication using ion implantation
US-9401450-B2 · Jul 26, 2016 · US
Method for preparing a recrystallised silicon substrate with large crystallites
US-2016211404-A1 · Jul 21, 2016 · US
Device and method for producing silicon blocks
US-9371597-B2 · Jun 21, 2016 · US
Solar cell device and method for manufacturing the same
US-9362425-B2 · Jun 7, 2016 · US
Crystalline silicon solar cell and method for producing same
US-2016155868-A1 · Jun 2, 2016 · US
Solar cell and method for manufacturing the same
US-2016126400-A1 · May 5, 2016 · US
Method Of Forming Silicon On A Substrate
US-2016118252-A1 · Apr 28, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01L31/182?
- CPC H01L31/182 is the Cooperative Patent Classification code for “Electricity.”
- How many patents are filed under CPC H01L31/182 (Electricity)?
- Our database includes 248 publications tagged with this CPC code.
- Is patent activity under CPC H01L31/182 growing?
- Publication counts under this code: 20 in 2024 vs 2 in 2025 (latest complete years).