buy sloar single crystalline silicon wafer 5

RFQ Description

We need to buy large quantities and longterm stock, and we need them immediately, 1. Solar single crystal silicon wafer 5Specifications :Pseudo -Square single crystalline Silicon Wafer (for solar use) Growing method: CZType/Dopant: p-type/BoronOrientation: (100) +/-3 deg.Resistivity:0.5-3.0 xxxxx or 3.0 - 6.0 xxxxxOxygen content: /=1.1E18 atoms/cm3Carbon content: /=5E16 atoms/cm3Lifetime: 15 us or 10 us Dimensions:Pseudo-square dimensions: 126 x126+/-0.5mm or 125x125+/-0.5mmDiameter: 151.0+/-1.0mm or 150.0+/-1.0mmR-plane length: 18.50-23.00mmAngle: 90+/-3 deg. Thickness: 240+/-20 um (quantities with +tolerance should be more than -tolerance)BOW: 70 um TTV: 40 um Appearance :Chip: Length and Depth /=*@******************** and crack: No Nick and crack visible by naked eye Striation: width/=1.5mmSaw mark: /=30 um 2. slolar grade polysilicon wafer and ingot Specifications :Growing method: CZType/Dopant: p-type/BoronOrientation: (100) +/-3 deg.Resistivity:0.5-3.0 xxxxx or 3.0 -6.0 xxxxxOxygen content: /=1.1E18 atoms/cm3Carbon content: /=5E16 atoms/cm3Lifetime: 10 usTTV: /= 40 umDimensions: ***+/-0.5 mmDiameter: 150.0+/-1.0 mmThickness: 240+/-20 umDislocation Density: 1.0E3 cm2Appearance: No Nick and crack visible by naked eyesPurity: 100% 3. we also need some silicon resource and its scraps such as top or tails of silicon ingot, broken silicon wafer etc. we buy all of these silicon resource and request quantity is very large and longterm stock: 1) single crystal silicon ingot, and its scraps, top or tails; Solar Grade Polysilicon ingot, and wafer and its scraps. 2) IC grade single crystalline silicon ingot, its scraps, top or tails, or silicon wafer, etc. either P-type or N-type, and the higher resistivity, the better. 3) various broken wafers.You can also send me what you have now on hand. sloar single crystalline silicon wafer, solar grade polysilicon wafer, solar grade polysilicon ingot solar single crystal silicon wafer 5, solar grade polysilicon wafer and ingot