NGK Insulators targets low-defect-density, 4-in GaN wafer production for end of year

Earlier this month, Japanese ceramics firm NGK Insulators – better known for its sodium sulfur grid storage batteries – announced the development of 4-in gallium nitride (GaN) wafers. With these c-plane oriented wafers, grown via Na-flux and liquid phase epitaxy (LPE), NGK claims transparency, color...

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