0.5mm 0.635mm 1mm 96% 99.6% Alumina Substrate
0.5mm 0.635mm 1mm 96% 99.6% alumina substrate The specification 1. Typical thickness: 0.25mm, 0.30mm, 0.40mm, 0.50mm, 0.635mm,0.80mm,1.0mm,1.2mm 2. Dimensional capability: min. thickness to be 0.11 mm, max. side-length to be 240 mm x 280 mm 3. Norminal tolerance : thickness ± 0.05 mm, length ± 0.20 mm, width ± 0.20 mm with camber 0.3% 4. Material availability: alumina(Al2O3), zirconia(ZrO2), aluminum nitride(AlN) and silicon nitride(Si3N4) 5. Surface treatment: mirror-like polishing to be Ra0.05, metallizing for ceramic to metal bonding 6. Secondary process : lapping, laser scribing,laser cutting,CNC machining and so on The main features Properties Value Strength High thermal conductivity Up to 31 W/m.k Enhance heat dissipation quickly in power modules Low coefficent of thermal expansion (6.5-7.5) * 10(-6) mm/℃ Similar to the Si /GaN of chip raw material in…
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