| Typicality: | 0.240 |
| Saliency: | 0.183 |
| for use in sealing | 8 | purpose |
| invention → provide → above lead-free glass material | 7 |
| invention → provide → the lead-free glass material | 5 |
| negative | neutral | positive |
| 0.005 | 0.354 | 0.640 |
| Raw frequency | 12 |
| Normalized frequency | 0.183 |
| Modifier score | 0.500 |
| Perplexity | 260.737 |