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Specifications

Specifications
Aluminium oxide:
CAS No.: 1344-28-1
EINECS NO.: 215-691-6
A medium index, low absorption material usable for coatings

Aluminium oxide:
Aluminum oxide, Al2O3, is a medium index, low absorption material usable for coatings in the near-UV (<300 nm) to IR (~5 µ M) regions. Typical applications include near-UV laser AR and dielectric mirror designs. Alumina can be used in combination with silicon dioxide layers to form multilayer structures with high damage thresholds for UV laser applications.

2)application
It's used in preparation of coating suspensions in compact fluorescent lamps; Widely used as a coarse or fine abrasive, including as a much less expensive substitute for, also used in the fabrication of devices, particularly single electron transistors and superconducting quantum interference devices ( SQUID), where it is used to form highly resistive quantum tunnelling barriers.