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