The Nonpolar Advantage
The nonpolar a- and m-planes in relation to the c-plane
Gallium Nitride crystals can be cut in various orientations, or “planes” (see illustration at left). The GaN device industry is presently built upon the c-plane, a polar plane. Inlustra is mainly producing m-plane and a-plane material (the nonpolar planes).
Nonpolar GaN technology overcomes many of the fundamental limitations of conventional c-plane GaN. Nonpolar GaN offers the potential for increased electrical efficiency, reduced electrical resistance, elimination of color shifting with varying operating current, and reduced device sizes. These factors all translate into markedly increased manufacturing yields, device longevity, and performance compared to conventional GaN technology. Interest in nonpolar GaN technology has skyrocketed in the three years since Inlustra's founding. No longer just the domain of university research groups, major GaN device manufacturers are exploring the tremendous potential of nonpolar GaN devices for high-performance applications.
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