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CoorsTek ADOS-90R 91% Alumina Thick Film Substrate

Category Ceramic , Oxide , Aluminum Oxide
Manufacturer CoorsTek
Trade Name
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF CoorsTek ADOS-90R 91% Alumina Thick Film Substrate.pdf
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Material Notes:
This 91-percent alumina (nominal) formulation offers a dark brown body for special applications. Applications: thick films and lasers
Physical Properties Metric English Comments
Density 3.72 g/cc
0.134 lb/in³
ASTM-C373
Water Absorption 0.00 %
0.00 %
ASTM-C373
Particle Size 5.0 - 7.0 µm
5.0 - 7.0 µm
Grain Size; Intercept Method
Mechanical Properties Metric English Comments
Hardness, Rockwell 45 N 78
78
ASTM-E18
Modulus of Elasticity 310 GPa
45000 ksi
ASTM-C623
Flexural Strength 365 MPa
52900 psi
ASTM-F394
Poissons Ratio 0.24
0.24
ASTM-C623
Shear Modulus 125 GPa
18100 ksi
Calculated
Thermal Properties Metric English Comments
CTE, linear 6.40 µm/m-°C

@Temperature 25.0 - 200 °C
3.56 µin/in-°F

@Temperature 77.0 - 392 °F
ASTM-C372
7.30 µm/m-°C

@Temperature 25.0 - 500 °C
4.06 µin/in-°F

@Temperature 77.0 - 932 °F
ASTM-C372
8.00 µm/m-°C

@Temperature 25.0 - 800 °C
4.44 µin/in-°F

@Temperature 77.0 - 1470 °F
ASTM-C372
8.40 µm/m-°C

@Temperature 25.0 - 1000 °C
4.67 µin/in-°F

@Temperature 77.0 - 1830 °F
ASTM-C372
Thermal Conductivity 8.00 W/m-K

@Temperature 400 °C
55.5 BTU-in/hr-ft²-°F

@Temperature 752 °F
12.0 W/m-K

@Temperature 100 °C
83.3 BTU-in/hr-ft²-°F

@Temperature 212 °F
13.0 W/m-K

@Temperature 20.0 °C
90.2 BTU-in/hr-ft²-°F

@Temperature 68.0 °F
Component Elements Properties Metric English Comments
Al2O3 91 %
91 %
Electrical Properties Metric English Comments
Volume Resistivity 7.00e+6 ohm-cm

@Temperature 700 °C
7.00e+6 ohm-cm

@Temperature 1290 °F
ASTM-D1829
4.00e+8 ohm-cm

@Temperature 300 °C
4.00e+8 ohm-cm

@Temperature 572 °F
ASTM-D1829
>= 1.00e+14 ohm-cm

@Temperature 25.0 °C
>= 1.00e+14 ohm-cm

@Temperature 77.0 °F
ASTM-D1829
Dielectric Constant 10.3

@Frequency 1.00e+6 Hz
10.3

@Frequency 1.00e+6 Hz
ASTM-D150
11.8

@Frequency 1000 Hz
11.8

@Frequency 1000 Hz
ASTM-D150
Dielectric Strength 21.3 kV/mm

@Thickness 0.635 mm
540 kV/in

@Thickness 0.0250 in
60 cycles AC avg. RMS; ASTM-D149
Dissipation Factor 0.0050

@Frequency 1.00e+6 Hz
0.0050

@Frequency 1.00e+6 Hz
Loss Tangent; ASTM-D150
0.10

@Frequency 1000 Hz
0.10

@Frequency 1000 Hz
Loss Tangent; ASTM-D150
Dielectric Loss Index 0.050

@Frequency 1.00e+6 Hz
0.050

@Frequency 1.00e+6 Hz
Loss Factor; ASTM-D150
1.2

@Frequency 1000 Hz
1.2

@Frequency 1000 Hz
Loss Factor; ASTM-D150
Descriptive Properties Value Comments
Color Dark Brown
Permeability NIL
Surface Finish - (µin.) <1.14
as-fired; Profilometer, 0.0002" Radius Stylus, 0.100" Cutoff, ANSI/ASME B46.1
<45
CLA; Profilometer, 0.0002" Radius Stylus, 0.100" Cutoff, ANSI/ASME B46.1
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