National Aperture, Inc.

Phone: 800-360-4598 ~  Fax: 603-893-7857

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Over 50 Years of Experience

Aperture Products

Typical Applications

  • Spatial filtering
  • Laser light control
  • Gas/liquid flow control
  • Spectrometry
  • Fiber optics
  • Astronomy
  • General optics

Standard Materials

  • Stainless Steel
  • Copper
  • Nickel Cobalt

Optional Materials

  • Tungsten
  • Gold
  • Molybdenum
  • Tantalum
  • Titanium
  • Nickel
  • Brass
  • Platinum

Our unique line of miniature and
ultra-miniature precision servo motion products feature sub-micron resolution and high speed in the smallest footprint currently on the market.

Motion Controllers

NEW buying option!!
Now you can send your list of items directly to your purchasing manager rather than complete the transaction yourself!! Learn More

General Information

National Aperture, Inc. is the leading manufacturer of precision micro-apertures, pinholes, slits, bar patterns and custom configurations.

Our specialty is micro-miniature pinholes and slits.

  • Standard pinholes range in size from 0.5µm to 1000µm with custom sizes available.
  • Standard slits range in size from 1.0µm to 200µm, with custom sizes available.
  • High Power pinholes and slits are available as standard items.
  • All aperture edges are carefully fabricated employing proprietary computerized micro-drilling, micro-slitting and micro-finishing techniques. All finished components are rigidly quality controlled before shipping. Standards are traceable to NIST.
  • For special applications, we offer a selection of standard and non-standard customs.

Items List

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