HENAN ZG INDUSTRIAL PRODUCTS CO.,LTD
HENAN ZG INDUSTRIAL PRODUCTS CO.,LTD
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alumina ( Al2O3 ) ceramic substrates wafer, excellent heat resistance, high mechnical strength , abrasion resistance
We provides alumina ( Al2O3 ) ceramic substrates . Al2O3 substrate is one of the most popular ceramic substrate which has excellent heat resistance, high mechnical strength , abrasion resistance and small dielectric loss . The surface of alumina substrate is quite smooth and low porosity , 99.6% alumina substrate is suitable for thin film device , 96% alumina substrate is suitable for thick film device application. we provides alumina ceramic substrates for a wide range of applications, including thin film and thick film microelectronic , high power and high frequency circuit RF / microwave components and capacitor or resistor , contact us for more ceramic wafer product information .
| Chemical formula | Al2O3 |
| Color | white |
| Density | 3.72 g/cm 3 |
| Thermal conductivity | 22.3 W/m. K |
| Thermal Expansion ( x10 -6 / ℃ ) | 8 |
| Dielectric strength | 14E6 |
| Dielectric Constant (at 1MHZ) | 9.5 |
| Loss Tangent (x10 -4 @1MHZ) | 3 |
| Volume Resistivity | >1E14 ohm-cm |
| Diameter | Ø 1" / Ø 2" / Ø 3" / Ø 4" |
|---|---|
| Square size | 10 x 10 / 20 x 20 / 50 x 50 / 100 x 100 mm |
| Thickness | 0.4 mm / 0.5 mm / 1 mm |
| Surface | As fired |
| one side polished / two sides polished | |
| Roughness | Ra <= 0.3 um |