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Ceramic substrate
Al2O3 substrate
简介:ss

Uses: Al2O3 single crystals have good thermal, electrical, dielectric, corrosion resistant and high temperature properties, and it has also good thermal conductivity, high hardness, infrared transparency and chemical stability and widely used as high-temperature infrared window materials, it is also excellent substrate materials for III-V nitride and some epitaxial Superconducting thin films.

parameter:

Al2O3 substrate
Crystal structure hexagonal(a=4.758Å,c=12.992Å)
Density 3.98g/cm3
Purity >99.99%
Dielectric constant 9.4(300k) at A axis, 11.58(300k) at C axis
Orientation CRAM±0.5o
Size 10×10×0.5 mm, 0.5×0.5×0.5mm,Φ1×0.5 mm, Φ2×0.5 mm,Φ3×0.5 mm
Polished One side or double side polished
Surface roughness ≤5Å
Package 100 clean bags, single or multi-chip wafer box

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