Precision Round Apertures
			NEW! •Spatial Filter Apertures •1 Inch Standard mount •Blackened •High Quality      •From Stock• Fits most standard spatial filters.

Pinholes, Air Slits, and Custom Patterns for Optical, Laser,
Astronomy and other Scientific Applications

Quality Standards:

Roundness: Major axis - Minor axis

< 0.5µm on holes 1-15µm,
< 1µm on holes 20-50µm,
< 3µm on holes 100µm and up

Finish: Optical research quality

< 10µ-inch, on holes up to 50µm
< 50µ-inch, on holes 65µm-250µm
< 80µ-inch, on holes over 250µm

 

Substrate Specifications:

Finish: Unblackened (see options below)

Material: 302 stainless steel, non-magnetic (except for HS option)

Diameter: 3/8 inch (0.375 inch), 9.53mm

Positional tolerance: ø.006 inch (0.15mm)
Thickness: 0.0005 inch (12.7µm) on holes 5µm and up. Note:  Holes 0.5µm to 3.0µm,
and possibly up to 10um, include the HS option for supported ultra-thin drill region)
(0.5µm to 3.0µm holes are on 0.0001 inch - 0.0002 inch Ni with 0.005 inch backer)

Standard Round Pinholes (see also Options)

Cat. No.	Size (µm)	Tolerance	Price Ea.
1-0.5	0.5µm	+0.3µm, -0µm	$85.00
1-1.0	1.0µm	+0.5µm, -0µm	$65.00
1-2.0	2.0µm	±0.5µm	$48.00
1-3.0	3.0µm	± 0.5µm	$48.00
1-5.0	5.0µm	± 1µm	$36.00
1-10	10µm	± 1µm	$36.00
1-15	15µm	±1.5µm	$28.00
1-20	20µm	± 2µm	$26.00
1-25	25µm	± 2µm	$26.00
1-30	30µm	± 2µm	$26.00
1-35	35µm	± 2µm	$26.00
1-40	40µm	± 3µm	$26.00
1-50	50µm	± 3µm	$26.00
1-75	75µm	± 3µm	$26.00
1-100	100µm	± 4µm	$26.00
1-150	150µm	± 6µm	$26.00
1-200	200µm	± 6µm	$26.00
1-300	300µm	± 8µm	$26.00
1-400	400µm	± 10µm	$24.00
1-500	500µm	± 10µm	$24.00
1-600	600µm	± 10µm	$24.00
1-700	700µm	± 10µm	$24.00
1-800	800µm	± 10µm	$24.00
1-900	900µm	± 10µm	$24.00
1-1000	1000µm	±10µm	$24.00
1-size	up to 7,000 µm		per quote

Unlisted hole size Prices applicable to listed materials only	One time setup charge, plus price of nearest listed hole
	6µm to 18µm	$75.00 +
	20µm to 1000µm	$55.00 +
Non-standard substrate diameter, thickness, material, or tolerances: Note: Finish specifications do not necessarily apply to diameters other than standard .375 in.			Per quote
Chemical Etching			Per quote
For our International Customers click this link to Universal Currency Converter

 

 

 

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Standard Options
Standard Round Holes

Option	Description		Listed Size Price	Unlisted Size Price (not including setup)
B-1	Poly black, one side, ultra high (98%) emissivity 5µm and up only		$12.00	$12.00
B-2	Oxide, dull black, both sides 5µm and up only		$12.00	$12.00
HS	Extra heavy substrate, 0.005 inch (0.127mm) thick, thinned down to required Ni thickness. (included with 0.5µm - 3.0µm apertures) Contact sales for sizes over 1000um with this option		$15.00	$38.00
CT	Closer Tolerance; half of listed tolerance	5-15 µm	$ 45.00	$75.00
		20µm-and up	$ 25.00	$45.00
Call for quantity pricing 800-360-4598
For our International Customers click this link to Universal Currency Converter

Standard Mounts 

Mount	Description		Price
M	25mm blackened aluminum mount (24.95mm x 2.54mm thk)		$12.00
M-1	1 inch blackened aluminum mount (0.996 inch x 0.100 inch thk)		$12.00
M-18	18mm blackened aluminum mount (18mm x 2.54mm thk)		$12.00
M-0.5	0.5 inch blackened aluminum mount (0.496 inch x 0.050 inch thk)		$12.00

Calibrations and Certifications

Ordering Information:

Example:

 

A 25µm round aperture (1-25), black 2 sides (B-2), mounted on 25mm disk(M)

 

The part number would be: 1-25+B-2+M

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National Aperture, Inc. • 16 Northwestern Drive • Salem, NH 03079 800-360-4598 • 603-893-7393 • FAX 603-893-7857