| Qualitiy Management System | |||||
| Step | Subcontractor | ISO9001 | ISO14001 | QS9000 | ISO/TS16949 |
| Wafer | UMC |  |
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| UMCJ | |
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| HEIJAN | |
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| First Silicon | |
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| Dongbu | |
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| Nanya | |
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| ProMOS | |
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| C/P Test | UMC | |
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| Ardentec | |
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| ASI | |
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| King Yuan | |
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| ChipMOS | |
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| ASE | |
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| Assembly | SPIL | |
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| Amkor | |
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| ChipMOS | |
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| CWTi | |
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| TICP | |
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| Greatek | |
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| FATC | |
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| SiTEC | |
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| ASE | |
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| Final Test | Unimicron | |
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| King Yuan | |
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| ASI | |
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| SiTEC | |
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| ChipMOS | |
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| ASE | |
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| Burn-In | Unimicron | |
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| King Yuan | |
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| ASE | |
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| = procurement |
= pending |
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