Precision Air Slit Apertures
new!
Spatial Filter Apertures

  • 1 inch standard mount
  • blackened
  • high quality
  • from stock
  • fits most standard spatial filters.
  • Pinholes, Air Slits and Bar Targets for Optical,
    Laser and Scientific Applications


      Quality Standards:

    Edge Finish:

    < 40μ inch nominal

    Straightness:

    < 0.5μm per mm

    < 2μm per inch


    Substrate Specifications:

    Finish : Unblackened (see options)
    Material: 302 stainless steel, non-magnetic
    Diameter: 3/8 inch (0.375 inch max), 9.53mm
    Positional Tolerance: ø.006 inch (0.15mm)
    Thickness: 0.0005 in. (12.7μ) for slits 5um and up. Note:  2-3um slits may be on either .0005 ss or supported .0002-.0003 ni.  1μ slits include a .0005 support with
    a 2-4um thin Ni slit region.

    Standard Part Numbers,
    Slits
    (see also Options)

    L = 1 mm, 2 mm, 3 mm のサイズがあり L=3 は標準在庫品です。
    Cat. No. Slit Width (μm) Tol.
    2 - 1 (x L mm) 1.0μm +0.5μm, -0μm
    2-2.5 (xLmm) 2.5μm +1μm, -0.5μm
    2-5 (xLmm) 5μm + 1μm
    2-10 (xLmm) 10μm + 1μm
    2-25 (xLmm) 25μm + 2μm
    2-50 (xLmm) 50μm + 2μm
    2-100 (xLmm) 100μm + 4μm
    2-150 (xLmm) 150μm + 4μm
    2-200 (xLmm) 200μm + 4μm

    Standard Options
    Standard Round Holes
    Option Description
    B-1 Poly black, one side, ultra high (98%) emissivity 5μm and up only

    B-2

    Oxide, dull black, both sides 5μm and up only

    HS

    Extra heavy substrate, 0.005 inch (0.127mm) thick,thinned down to required Ni thickness and with .047in. orientation notch. (Included with 1-2 micron slits. Maximum slit length: 5mm.)

    CT Closer Tolerance; half of listed tolerance
    25-50μm100μm and up
    LL Longer lengths up to 100mm

    standard mounts
    Mount Description

    M

    25mm blackened aluminum mount (24.95mm x 2.54mm thk)

    M-1 1 inch blackened aluminum mount (0.996 inch x 0.100 inch thk)

    M-18

    18mm blackened aluminum mount (18mm x 2.54mm thk)

    M-0.5

    0.5 inch blackened aluminum mount (0.496 inch x 0.050 inch thk)


    Calibrations and Certifications

    Type Description

    C

    Calibrated; actual size, ± 1 μm or 1%
    (20μm and up), end-center-end

    潟Lーストンインターナショナル