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SLAC National Accelerator Laboratory is operated by Stanford University for the Department of Energy. As a management and operating contractor, subcontracts awarded by the Laboratory are not Federal p... SLAC National Accelerator Laboratory is operated by Stanford University for the Department of Energy. As a management and operating contractor, subcontracts awarded by the Laboratory are not Federal procurements, and are not directly subject to the Federal Acquisition Regulations in 48 CFR. Nonetheless, certain Federal laws, Executive Orders, and regulations may affect our DOE approved purchasing system, as required by statute, regulation, or contract terms and conditions. No. 1 5 pieces of FZ <111> Single Crystal Silicon, >10,000?cm resistivity Foil Size: 10.0mmx10.0mm (±0.1mm) Foil Thickness: 100?m (±10?m) thick Surface Finish: Double side polish, <2nm RMS, native SiO2 Foil Orientation: ±1 degree deviation from the crystal plane No. 2 5 pieces of FZ <111> Single Crystal Silicon, >10,000?cm resistivity Foil Size: 10.0mmx10.0mm (±0.1mm) Foil Thickness: 300?m (±10?m) thick Surface Finish: Double side polish, <2nm RMS, native SiO2 Foil Orientation: ±1 degree deviation from the crystal plane No.3 5 pieces of FZ <111> Single Crystal Silicon, >10,000?cm resistivity Foil Size: 10.0mmx10.0mm (±0.1mm) Foil Thickness: 650?m (±25?m) thick Surface Finish: Double side polish, <2nm RMS, native SiO2 Foil Orientation: ±1 degree deviation from the crystal plane We need X-ray optics level high quality crystals.