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Optical Glass Properties

www.aluminumnitride.com

Polished Aluminum Nitride Substrates

Pullout-free polished AlN substrates to the tightest thickness and flatness specifications are now available from stock for immediate delivery. Valley has over 25 years of precision lapping and polishing experience.

With facilities in Santa Cruz, CA and Shirley, MA, Valley is one of the world’s leaders in supplying polished Aluminum Nitride substrates and wafers of all sizes and thicknesses.

  • Typical Specifications:
  • Size: 3¾”x4½”±½%
  • Thickness: 0.025″± 0.001″
  • Surface Finish: 1 micro-inch. Ra.
  • Flatness: 0.0005″/inch.
  • Thermal Conductivity: 175 W/mk
  • Delivery: From stock
  • Special Tolerances:
  • Thickness Tolerance: ± 0.0002″
  • Surface Finish: ½ micro-inch. Ra
  • Flatness: 0.00025″/inch.

Aluminum Nitride AlN Polished Substrates 175 W/mk

Tolerances:
  • Thickness
  • Surface
  • Thermal Conductivity
  • Length & Width
  • ± 0.001″
  • 1½ u” Ra nominal (2 u” max.)
  • 175 W/mk
  • ± 0.010″ diamond scribed
L/W Thickness 10 25 50 100
2″ x 2″ 0.005″ CALL CALL CALL CALL
2″ x 2″ 0.010″ CALL CALL CALL CALL
2″ x 2″ 0.015″ CALL CALL CALL CALL
2″ x 2″ 0.020″ CALL CALL CALL CALL
2″ x 2″ 0.025″ CALL CALL CALL CALL
2″ x 2″ 0.040″ CALL CALL CALL CALL
2″ x 2″ 0.060″ CALL CALL CALL CALL
2″ x 2″ 0.080″ CALL CALL CALL CALL
2″ x 2″ 0.100″ CALL CALL CALL CALL
2″ x 2″ 0.125″ CALL CALL CALL CALL

Note: For tighter tolerances and better surface finish, please contact Customer Service at 831.420.0595.

  • Delivery from stock
  • Minimum order $400.00

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