Low temperature silicon nitride films using remote plasma CVD technology
US9583333B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 22, 2014 |
| Grant date | Feb 28, 2017 |
| Priority date | — |
| Expiry date | Dec 18, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01L21/02274
- WIPO fieldSemiconductors
- WIPO sectorElectrical engineering
Abstract
Embodiments of the present invention generally provide methods for forming a silicon nitride layer on a substrate. In one embodiment, a method of forming a silicon nitride layer using remote plasma chemical vapor deposition (CVD) at a temperature that is less than 300 degrees Celsius is disclosed. The precursors for the remote plasma CVD process include tris(dimethylamino)silane (TRIS), dichlorosilane (DCS), trisilylamine (TSA), bis-t-butylaminosilane (BTBAS), hexachlorodisilane (HCDS) or hexamethylcyclotrisilazane (HMCTZ).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.