Slit Aperture

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.

Cat. No.	Slit Width (μm)	Tol.
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。
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