| 1st step | −50 °C | 150 mTorr | 2 h |
| 2nd step | −40 °C | 100 mTorr | 2 h |
| 3rd step | −30 °C | 100 mTorr | 2 h |
| 4th step | −20 °C | 50 mTorr | 2 h |
| 5th step | −10 °C | 50 mTorr | 2 h |
| 6th step | −5 °C | 50 mTorr | 2 h |
| 7th step | 0 °C | 50 mTorr | 2 h |
| 8th step | +10 °C | 50 mTorr | 2 h |
| 9th step | +20 °C | 50 mTorr | 4 h |