| PSS | GaN |
2" Wafer No/Tray | 18pcs | 20pcs |
4"wafer No/Tray | 5pcs | 5pcs |
PR treatment | None(Require more information) | None(Require more information) |
Gas | BCl3 based | Cl2 based |
Cleaning Gas | CF4, O2 | CF4, O2 |
Selectivity | ≥ 0.6 at PR | ≥0.8 at PR |
Non Uniformity (%nu)
| ≤±7%(Mass Production) ≤±5%(Process Test) | ≤±5%(Mass Production) ≤±3%(Process Test) |
Adventage | High Throughput & Etching Rate, Good uniformity, Easy handling and long life time of wafer holder . | High Throughput & Etching Rate, Good uniformity, Easy handling and long life time of wafer holder . |
Wafer Holder No. | TWH-12MT-B | TWH-12AC-A |
Note : TWH-12MT-B is one model of the Tainics's Tray for PSS process. TWH-12AC-A is one model of the Tainics's Tray for MESA process. |
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