Some general process trends
This page is supposed to gather some general process trends and good advise for designing IBE recipes.
Etch rate
Etch rate
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Parameters
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increases with
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Beam current
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increases with
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Beam voltage
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increases with
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Beam current * Beam voltage
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not significantly effected by
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Stage angle
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not significantly effected by
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Accelerator voltage
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Etch profile
Etch profile (goal 90dg)
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Parameters
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improves with
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Low stage angle (optimum around 5-10 dg)
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is effected by
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Beam current (low I(B)(400mA) better than high I(B)(600mA))
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is effected by
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Accelerator voltage * Stage angle
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not significantly effected by
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Beam voltage
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