csilicon wafers |
| 01-11 14:25:22 来源： 作者： |
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csilicon wafers This is an inquiry message about csilicon wafers in the 108th China Canton Fair. (这是一条买家关于"csilicon wafers"的询盘信息，来自第108届中国广交会。)Inquiry Message (询盘信息) csilicon wafers Dear Sir: We can offer you the following. Wafer Mono 125mm, price: USD 2.49each. Wafer Mono 156mm, price: USD 4.29each. Wafer Poly 125mm, price: USD 1.89 each. Wafer Poly 156mm, price: USD 3.39each. All price FOB China. Specification as following Solar Grade Poly Wafer: Conductance Type: P Dopant: Boron Shape: Square Dimension: 125±0.5mm, 156±0.5mm Thickness: 200±20μm, 220±20μm Resistivity: 0.5-3Ω?cm Oxygen: ≤1×1018atoms/ cm3 Carbon: ≤5×1016atoms/ cm3 TTV: ≤50μm BOW: ≤30μm Life time: ≥2μs Saw marks：≤20μm Cracks and Pin holes: No cracks and pin holes visible with the naked eye. Cleaning: No stain, splash on surface obviously. Edge chips, corner chips: Length≤1.5mm; Depth≤1mm; Max: 2 places, No V shape Solar Grade Mono Wafer 1、Dimensions: 1.1 Diameter: 150±0.4mm, 200±0.4mm 1.2 Side Length: 125±0.4mm, 156±0.4mm 1.3 Thickness: 190±10μm, 200±10μm 1.4 TTV: ≤25μm 1.5 Camber: ≤30μm 1.6 Squareness:90°± 20′ 1.7 Lmax-Lmin Deviation ≤2mm in 45° 2、Specifications 2.1 Resistivity: 1-3Ω?cm 2.2 Conductance Type: P 2.3 Life time: ≥15μs 2.4 Oxygen: ≤0.95×1018atoms/ cm3 2.5 Carbon: ≤0.5×1017atoms/ cm3 2.6 Orientation: (100)±1° 2.7 Etching Pit: 2000/cm3 3、Surface Condition 3. 1 Gap: No gap 3.2 Saw marks：≤15μm 3.3 Edge Defect: Single-side Edge Defect Width ≤0.2mm ,extension ≤0.5mm， total quantity ≤2，distance≥30mm 3.4 Luminance： Length≤1/2 of Wafer side length, width≤1/3 of wafer thickness 3.5 No crack, no obvious pits, surface cleaned, no abnormal spot, no stain. Best Regards Patrick Contact Info (联系信息) Patrick Sun 75 Silver Springs Blvd. Suit#807 Scarborough, ON M1V1W2 CAN Company: JunJing Trade International Phone: 647-292-6831 E-mail: pat.zhengsun@gmail.com pat.zhengsun@gmail.com |
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