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