Electrostatic protection device and electrostatic protection circuit
US11854938B2 · kind B2 · utility
1Cited by
5References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 2, 2021 |
| Grant date | Dec 26, 2023 |
| Priority date | — |
| Expiry date | Mar 11, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10D89/819
- WIPO fieldSemiconductors
- WIPO sectorElectrical engineering
Abstract
The present disclosure provides an electrostatic protection device and an electrostatic protection circuit. The electrostatic protection device includes: a discharge transistor, located on a substrate for discharging electrostatic charges; and a first pad, located on a first metal layer and electrically connected to a drain region of the discharge transistor; wherein a projection of the first pad on the substrate partially overlaps a projection of the drain region on the substrate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.