Aluminum Nitride Substrate Properties & Physical Characteristics

Substrate Physical Characteristics
Surface Condition	Attribute(s)	Tolerance
As-Fired	Length & Width	+1%, NLT +.005"
	Thickness	+10%
	Camber	.003"/inch

Lapped	Length & Width	+1%, NLT +.005"
	Thickness	+.002"
	Camber	<.002"/inch

Standard sizes of aluminum nitride substrates can be found at our Aluminum Nitride Substrate Sizes page.

Aluminum Nitride Substrate Material Properties
Property	Units	Value
Density	g/cc	3.3
Thermal Conductivity	W/m°K	170 minimum
Dielectric Strength	kV/mm	20
Thermal Expansion	ppm/°C	4.6
Volume Resistivity	ohm-cm	10¹⁴
Dielectric Constant		9.0
Flexural Strength	MPa	450
Reported values are at room temperature

You can request a quotation for standard substrate sizes or custom components at our Aluminum Nitride RFQ page.