5 Key elements to look for in your etch process

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Courtesy of Oxford Instruments plc

High wafer throughput

Fast etch rates and low clean overheads mean higher tool uptime. Higher uptime means more wafers through your fab

Profile control

Vertical facets means higher device efficiency – more light out for power in

Smooth surfaces

Smooth surfaces means less light scattering – more usable light

Accurate depth control

Essential with such complex structures, stopping in the right layer can make or break your device

Uniformity

Uniform etch depth means that more devices can be made from each wafer, improved yield decreases costs

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