National Aperture, Inc.

P: 800-360-4598 ~  F: 603-893-7857

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Custom Shapes & Patterns

Custom Patterns for Optical, Laser, Astronomy
and other Scientific Applications

Typical Materials

  • Stainless Steel
  • Brass
  • Copper
  • Beryllium Copper


  • Gold
  • Nickel
  • Tantalum
  • Tungsten


  • Molybdenum
  • Titanium
  • Platinum
  • and more...

Suggested materials (unless othwerwise required):

For best quality and cost:
300 series stainless steel 0.001 inch thick or under.

Gas, Liquid, Material FLOW Oriented:

Leak test grade;

The emphasis normally on roundness is replaced by orifice area specification to improve cost effectiveness. To optimize quality, materials should be kept as thin as allowable. 302 stainless steel is suggested unless otherwise required.

Metered Flow;

Same as Leak Test above.

Dies (wire polymer), Jets (liquid or gas);

Up to 0.010 inch (0.254mm) diameter x 0.010 (0.0245mm) deep

X-ray shielding, selective:

Typical materials are tantalum, tungsten and platinum.

Special Micro Patterns:

...........per quote.

Round, square, rectangular, slit, arc, hexagon, octagon, annular, etc. and combinations of patterns or arrays.

Four-Bar Patterns:

Standards are: 302 stainless steel 0.0005 in. x 0.375 in., or copper 0.001 in.

...........per quote.

Up to 4 in. square, any workable material. (may require a backer.)

...........per quote.

Chemical etching


Shapes & Image

Quality projection samples are available at minimal or no cost.

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