OPT PECVD, Plasmalab 80 Plus
Victor Ovchinnikov
victor.ovchinnikov(at)tkk.fi +358 9 470 24988
2002
2003
Substrate Size:
Up to 240 mm, optimized for 100 mm
Allowed Materials:
Si, SiO2, Si3N4, some metals, semiconductors and glasses (ask main user).
Forbidden Materials:
Most of polymers (ask main user), sticky, powder and liquid materials.
Availability and Cost:
Availability Class: F (Use allowed for all researchers with permission.)
Price Category: Medium
Plasma Enhanced Chemical Vapour Deposition (PECVD) system for depositing a-Si, SiO2 and Si3N4 films. A semiautomatic system with manual sample loading. Deposition process is automated.
A 13.56 MHz driven parallel plate reactor with heated substrate electrode and automatic matching unit between RF generator and the reactor. Process gases are SiH4, N2O, NH3, N2, He, and CH4. The system has a Roots pump to maintain high gas flow during processing.
Key_specifications
| Non-uniformity over 100 mm | < 5 % | |
| Working pressure range | 100 - 2000 mTorr | |
| Substrate temperature | 100 - 380°C | |
| Typical deposition rate of: | a-Si | 9 nm/min |
| | SiO2 | 65 nm/min |
| | Si3N4 | 25 nm/min |