ZnO
The New Material Department is conducting research and
development of the classic yet new material Zinc Oxide (ZnO)
and is producing ZnO related products.
Zinc oxide is an oxidized metal (zinc) as its name suggests,
that has been used for pigment, piezoelectric device, and varistor.
Recently, research in blue or white LED and laser diode using ZnO
that has wide bandgap energy is widely conducted,
but great advance has not been obtained because high quality ZnO single crystal
for superior epitxial layer cannot be available.
TEW has successfully grown the ZnO single crystal by hydrothermal method that has been matured for synthetic quartz crystal. Since a 2-inch size ZnO wafer can be sliced from the grown single crystal, significant development of ZnO device is expected. Major application: * Homo-epitaxial substrate for ZnO system * Hetero-epitaxial substrate for GaN system
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