Question: You are using a shadow mask to define the pattern of an evaporated contact layer for your organic photovoltaic device fabricated on an 8 -
You are using a shadow mask to define the pattern of an evaporated contact layer for your organic photovoltaic device fabricated on an inch diameter wafer. The shadow mask is inches thick. The distance between your metal source and substrate is m and your wafer is centered above the metal source. What is the length scale of the shadowing effect from your mask?
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