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Aluminum Nitride Substrate Properties
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Substrate
Physical Characteristics
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Surface
Condition
|
Attribute(s)
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Tolerance
|
| As-Fired |
Length
& Width |
+1%, NLT +.005" |
|
Thickness
|
+10% |
|
Camber
|
.003"/inch
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| Lapped |
Length
& Width |
+1%,
NLT +.005"
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Thickness
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+.002" |
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Camber
|
<.002"/inch
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Aluminum
Nitride Substrate Material Properties
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Property
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Units
|
Value
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| Density |
g/cc
|
3.3 |
| Thermal Conductivity |
W/mēK
|
170
minimum
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| Dielectric Strength |
kV/mm
|
20
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| Thermal Expansion |
4.6
ppm/ēC
|
4.6
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| Volume Resistivity |
ohm-cm
|
10E14
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| Dielectric Constant |
|
9.0
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| Flexural Strength |
MPa
|
450
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Reported
values are at room temperature
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You can request a quotation for standard substrate sizes or custom
components at our Aluminum Nitride
RFQ page.
See
also: Materials > Aluminum
Nitride
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Products | Custom
Products and Services | Case
Studies | Materials
Design Notes
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Š2009
Accuratus
Site
Design M. Adams
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