Study on the surface topography changes of photoresist in the design and fabrication of microlens array
Liu Dan,
Wu Liying,
Liu Min
et al.
Abstract:The fabrication method of microlens arrays with diameters from 20 to 90 μm based on thermal reflow and dry etch structure transition process is demonstrated. The key process parameters of microlens design and production are obtained by theoretical calculation. And the research of photoresist (AZ4330) surface topography changes during thermal reflow process is studied in detail, which is helpful for microlens array design and process optimization. The photoresist microlens arrays are transferred into quartz by … Show more
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