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Silicon Resistivity&PN type&AlarmTester | Infrared Inspection System | Minority carrier lifetime System | Oxygen and carbon Tester | Typel Tester | Non-contact Resistivity Tester | Silicon Filament Resistivity Tester | Wafer defect observation instrument | Heavily doped tweezerse | Silicon dopant | Seed crystal | Gallium dopant | IPCE&QE | PL System | Process Software