Specifications:Standard Material: Copper, Gold coated CopperDiameter: 9.5mm or customizedThickness: 0.05, 0.1mm or customizedPinhole size: 1-1000um, high power slits are also available.Centering: +/-0.01mmPinhole/Aperture Tolerance: 5% or 10%, depends on the specific dimensionFinish: Can be gold plated, both sides. Custom accpetedCustom Pattern and Shape: All available, including round, rectangular, square, triangle, hexagon etc
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