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LASER DIODE SUBMOUNTS

High Power Laser Diode & Pumped Laser Diode submounts have a wide range of high and low power communication applications.


Substrate

Aluminum Nitride (AlN) and Berillium Oxide (BeO)

Sizes

As small as .020"x.020" in production quantity

Standard Thickness of .005",.010",.015" and .025"

Thickness tolerances of +/- 10% Premium tolerances of 5% offered

Camber 0.0005"/inch

Metalization

Standard Ti/Pt/Au

Pre-deposited Solder (Sn, AuSn) available

Resistor Pads

TaN2 Resistors 50 and 100 ohms/sq. with tolerances of +/-1%

Features

0.25 mil (0.00025") Lines and Space Tolerances of +/- 0.05 mil (0.00005")

Thru-Hole and Wrap-Around capabilities

Our Thin Film Metalization offers:

  • High Reliability
  • Blister free
  • Passes Mil-Std. 883C

Aluminum Nitride (AlN) Properties

Thermal Conductivity 170 W/mK (190 and 230 W/mK upon request)
Electrical resistivity >1014
Dielectric constant 8.6
Dielectric loss 0.0005
Surface Finish (Polished) <2 microinches
Thermal expansion coefficient 4.2x10-6 (CTE)

Berillium Oxide (BeO) Properties

Thermal Conductivity 270 W/mK
Electrical resistivity >1014
Dielectric constant 6.5
Dielectric loss 0.0004
Surface Finish (Polished) <4 microinches
Thermal expansion coefficient 9.0x10-6 (CTE)



photo of dicing machine