Electronic device based on multilayer thin film and method for manufacturing the same using a three-dimensional structure
US-2024309503-A1 · Sep 19, 2024 · 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 | H01L28/91 |
| Official title | — |
| Display label | Electricity (mapped technology topic) |
| Total patents | 1,028 |
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 | 78 |
| 2016 | 55 |
| 2017 | 45 |
| 2018 | 55 |
| 2019 | 82 |
| 2020 | 108 |
| 2021 | 101 |
| 2022 | 115 |
| 2023 | 171 |
| 2024 | 180 |
| 2025 | 38 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Capacitor having conducitve pillar structures configured to increase capacitance density
US-2024304662-A1 · Sep 12, 2024 · US
Methods for forming a transition metal niobium nitride film on a substrate by atomic layer deposition and related semiconductor device structures
US-2024030035-A1 · Jan 25, 2024 · US
Multilayer MIM capacitor
US-9224801-B2 · Dec 29, 2015 · US
Metal-insulator-metal (MIM) capacitor with deep trench (DT) structure and method in a silicon-on-insulator (SOI)
US-9224797-B2 · Dec 29, 2015 · US
Capacitor forming methods
US-9224798-B2 · Dec 29, 2015 · US
Embedded memory device having MIM capacitor formed in excavated structure
US-9224794-B2 · Dec 29, 2015 · US
Method for fabricating capacitor
US-9214467-B2 · Dec 15, 2015 · US
Semiconductor device and method of fabricating the same
US-9209192-B2 · Dec 8, 2015 · US
Deep trench capacitor
US-9209190-B2 · Dec 8, 2015 · US
Metal-oxide-metal capacitor structure
US-9209240-B2 · Dec 8, 2015 · US
Method of manufacturing device
US-9209193-B2 · Dec 8, 2015 · US
Semiconductor device having capacitor integrated therein
US-9196672-B2 · Nov 24, 2015 · US
Methods of forming capacitors
US-9196673-B2 · Nov 24, 2015 · US
Nonvolatile semiconductor memory device, capacitance element, and method for manufacturing nonvolatile semiconductor memory device
US-9190499-B2 · Nov 17, 2015 · US
Memory cell support lattice
US-9184167-B2 · Nov 10, 2015 · US
Plated trench capacitor structures
US-9178012-B2 · Nov 3, 2015 · US
Semiconductor device having efficient capacitor arrangement
US-9177947-B2 · Nov 3, 2015 · US
Deep trench structure for high density capacitor
US-9178080-B2 · Nov 3, 2015 · US
Electronic devices having semiconductor memories
US-9171889-B2 · Oct 27, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01L28/91?
- CPC H01L28/91 is the Cooperative Patent Classification code for “Electricity.”
- How many patents are filed under CPC H01L28/91 (Electricity)?
- Our database includes 1,028 publications tagged with this CPC code.
- Is patent activity under CPC H01L28/91 growing?
- Publication counts under this code: 180 in 2024 vs 38 in 2025 (latest complete years).