1. 구성Measurement Head : 1 EA- Instrumentation Unit : 1 EA- Magnetic : 1 EA- Data System including LCD Monitor2. Performance Followings are minimum to maximum measurable ranges, If bidder's specification is located in these ranges, the bidder with wider ranges have a privilege to get successful bid. 1) Current source- Resistivity [ Ω/⏏] : 0.1mΩ/⏏ ~ 1㏁/⏏ - Current [A] : 10nA ~ 19.9mA and 1pA ~ 10uA2) Voltage Measure- Input Voltage Operating Range : ±6V- Current Leakage Current : 20nA per input (typical) and 40fA per input- Measurement Modes : AC(213Hz) / DC- Sample Inputs : Coaxial - Carrier Density [ cm -3 ] : 1e7 ~1e213) Temperature Variable[ ˚k ] Measure - Range 90K~500K- Accuracy : +-0.5K- Stability : +-0.1K- Cool-Down Time(Typical ): 5 minutes- Maximum Sample Size : 15mm X 15mm3) Maximum Measurement size : 25mm X 25mm 4) Magnetic - Type : Permanent with filed reversal by magnet Automatic Rotation- Filed : Strength 0.32T nominal ±1% of marked value- Stability : 0.1% over 10Years- Uniformity : ± over 25mm diameter from center- Pole Gap : 33.4mm 5) Contact : 3Axis 4 point Probe system, Blast Function (자연 산화막 제거) 6) Measurement Method : Van der Pauw, Hall Bar 7) 홀 효과 분석시스템( Hall effect Analysis Software)- I-V Curve : 4 point Probing 방법에 의한 단자간 전압-전류 특성 및 각 단자간 저항을 그래프로 확인하여 샘플의 Ohmic Contact 확인 및 전기적인 기본특성 파악할 것- Bulk 및 Sheet Carrier Concentration, Mobility, Resistivity, Conductivity, Hall Coefficient, Magneto Resistance, 저항의 종횡비등을 Magnetic 극성이 자동으로 변환하면서 측정 가능할 것, - S/W operation environment based on MS OS (2000/NT/XP/VISTA/Windows7) is prefered.8) 확장성 : Cryostat 장착 가능 할 것, 온도 가변 Range 90K~500K