| Item | Specification | 
| Max Size of Substrate (W x L , for now ) | 550x650 | 
| Cell Position :the distance from counterpoint to cell | ≤100μm | 
| Cell Position :the distance from substrate edge to cell | ≤200μm | 
| Cell Size ( can be customized ) | ≥250μm | 
| Error of Etching Depth | ≤±10% | 
| Flatness of Etching surface | ≤±30μm | 
 
 
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