CoorsTek AIN-170 Hot Pressed Aluminum Nitride

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CoorsTek AIN-170 Hot Pressed Aluminum Nitride (discontinued **)
Categories:	Ceramic; Nitride
Material Notes:	Aluminum Nitride Advantages: High heat dissipation with thermal conductivity of 170 W/m K Non-toxic alternative to BeO Thermal expansion coefficient similar to Si, GaN, and GaAs semiconductors High dielectric strength Information provided by CoorsTek, Inc.
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Physical Properties	Original Value	Comments

Density	3.31 g/cc	ASTM C373

Mechanical Properties	Original Value	Comments
Flexural Strength	>= 350 MPa	ASTM F417

Electrical Properties	Original Value	Comments
Volume Resistivity	>= 1.00e+13 ohm-cm @Temperature 25.0 °C	ASTM D257
Dielectric Constant	8.0 @Frequency 1e+6 Hz	ASTM D150
Dielectric Strength	>= 15.0 kV/mm @Thickness 0.635 mm	ASTM D149
Dissipation Factor	0.00020
Dielectric Loss Index	0.0016 @Frequency 1e+6 Hz	ASTM D150

Thermal Properties	Original Value	Comments
CTE, linear	4.20 µm/m-°C @Temperature 25.0 - 1000 °C	ASTM C372
Thermal Conductivity	>= 170 W/m-K	ASTM E1461

Descriptive Properties
Surface Finish As-fired (Ra) (micron)	<0.5	Profilometer 5.08µmicron Radius Stylus; 2,540 µmicron Cutoff ANSI/ASME B46.1

**
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CCOOR939 / 140554

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