Polarity reversal tolerant electrical circuit for ESD protection
US6657836B2 · kind B2 · utility
2Cited by
18References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 18, 2001 |
| Grant date | Dec 2, 2003 |
| Priority date | — |
| Expiry date | May 9, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02H9/048
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An ESD protection circuit is provided which offers full protection for sub micron CMOS technology integrated circuits that does not have a latchup problem as in silicon controller rectifier circuits. The primary ESD protection transistor within the circuit channeling deleterious ESD currents away from the electrical circuit using snapback conduction while additionally enabling bipolar operation of the electrical circuit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.