Beam Dynamics
Molecular Beam Skimmers

 

Dimension
Model 1
Model 2
A. Length to Apex 1.92cm (0.750") 2.54cm (1.00")
B. Base diameter 2.22cm (0.875") 2.79cm (1.100")
C. Width of flat part of brim (approx.) 2.00mm (0.08") 2.5mm (0.10")
D. Orifice diameter 0.2mm to 2.0mm (0.008" to 0.080") 0.2mm to 3.0mm (0.008" to 0.120")
(in increments of 0.1mm, tolerance of 0.05mm) Larger and smaller orifices can be made.
Total Included Angle at orifice 25° internal - 30° external 25° internal - 30° external
Total Included Angle at base 70° 70°
Material Nickel or copper Nickel or copper
Orifice edge thickness 10µm max 10µm max
Wall and brim thickness 50 to 80 µm typical 50 to 80 µm typical