Research Article
A Sensitivity Analysis Approach to Identify Key Environmental Performance Factors
Table 2
The economic and environmental information of a PCB manufacture system.
| Commodity | Production of prepreg | Production of copper | Production of electricity | Core lamination | Etch | Hole desmear | Production of PCB | Production of waste prepreg | Production of waste copper |
| g prepreg | 1000 | 0 | 0 | −320.61 | 0 | 0 | 0 | 0 | 0 | g copper | 0 | 1000 | 0 | −410.89 | 0 | 0 | 0 | 0 | 0 | MJ electricity | 0 | 0 | 1 | −68.7 | −22.9 | −45.8 | −91.6 | 0 | 0 | m2 bared PCB | 0 | 0 | 0 | 1 | −1 | 0 | 0 | 0 | 0 | m2 etched board | 0 | 0 | 0 | 0 | 1 | −1 | 0 | 0 | 0 | m2 holed board | 0 | 0 | 0 | 0 | 0 | 1 | −1 | 0 | 0 | m2 PCB | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | g waste prepreg | 0 | 0 | 0 | 13.33 | 0 | 36.35 | 0 | 1000 | 0 | g waste copper | 0 | 0 | 0 | 18.63 | 6.77 | 10.97 | 35.52 | 0 | 1000 | g carbon dioxide | 4160 | 376 | 134 | 132.27 | 52.9 | 52.9 | 26.45 | 2100 | 2300 | g sulfur | 144 | 141 | 59.8 | 5.856 | 2.3424 | 2.3424 | 1.1712 | 120 | 78 | g nitrogen | 215 | 115 | 22.3 | 1.654 | 0.6256 | 0.6256 | 0.3128 | 105 | 80 |
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