Integrated circuits
US6291859A · kind A · utility
8Cited by
5References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 20, 1999 |
| Grant date | Sep 18, 2001 |
| Priority date | — |
| Expiry date | Aug 20, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10D84/038
- WIPO fieldSemiconductors
- WIPO sectorElectrical engineering
Abstract
A semiconductor integrated circuit comprises a substrate (1) of a first conduction type semiconductor material, an epitaxial layer (10) which is carried by the substrate (1) and which is of a second conduction type semiconductor material different to the first conduction type material, a well (3) of semiconductor material in the epitaxial layer and a semiconductor material, the epitaxial layer (10) being substantially depleted of charges is a region substantially beneath the well (3).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.