Semiconductor structures and methods for multi-level work function
US-2015380520-A1 · Dec 31, 2015 · 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 | H01L29/4232 |
| Official title | — |
| Display label | Electricity (mapped technology topic) |
| Total patents | 676 |
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 | 75 |
| 2016 | 73 |
| 2017 | 58 |
| 2018 | 70 |
| 2019 | 106 |
| 2020 | 82 |
| 2021 | 65 |
| 2022 | 42 |
| 2023 | 48 |
| 2024 | 51 |
| 2025 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Semiconductor device and fabrication method thereof
US-2015380482-A1 · Dec 31, 2015 · US
Semiconductor device, resistor and manufacturing method of the same
US-2015371988-A1 · Dec 24, 2015 · US
Semiconductor Switching Device with Different Local Threshold Voltage
US-2015372086-A1 · Dec 24, 2015 · US
Methods of forming metal silicide regions on a semiconductor device
US-9214463-B2 · Dec 15, 2015 · US
Semiconductor structures and fabrication method thereof
US-2015348788-A1 · Dec 3, 2015 · US
Method for manufacturing dummy gate in gate-last process and dummy gate in gate-last process
US-9202890-B2 · Dec 1, 2015 · US
FinFET extension regions
US-9196712-B1 · Nov 24, 2015 · US
Semiconductor devices and methods of manufacturing the same
US-2015333148-A1 · Nov 19, 2015 · US
Semiconductor device and manufacturing method therefor
US-9190477-B2 · Nov 17, 2015 · US
Low parasitic capacitance semiconductor device package
US-9190393-B1 · Nov 17, 2015 · US
Iii-v transistor and method for manufacturing same
US-2015325689-A1 · Nov 12, 2015 · US
Gate structure
US-9171920-B2 · Oct 27, 2015 · US
Nonvolatile memory device having single-layer gate, method of operating the same, and memory cell array thereof
US-2015303203-A1 · Oct 22, 2015 · US
Semiconductor device
US-2015288357-A1 · Oct 8, 2015 · US
Nonvolatile memory device having single-layer gate, method of operating the same, and memory cell array thereof
US-9153593-B1 · Oct 6, 2015 · US
Gate contact with vertical isolation from source-drain
US-9147576-B2 · Sep 29, 2015 · US
Semiconductor device and method for fabricating the same
US-9142644-B2 · Sep 22, 2015 · US
Method of manufacturing a semiconductor device
US-2015263137-A1 · Sep 17, 2015 · US
Contact Etch Stop Layers of a Field Effect Transistor
US-2015243751-A1 · Aug 27, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01L29/4232?
- CPC H01L29/4232 is the Cooperative Patent Classification code for “Electricity.”
- How many patents are filed under CPC H01L29/4232 (Electricity)?
- Our database includes 676 publications tagged with this CPC code.
- Is patent activity under CPC H01L29/4232 growing?
- Publication counts under this code: 51 in 2024 vs 6 in 2025 (latest complete years).