1. Characteristics
ZEP520A is high performance positive EB resists which show high resolution, high sensitivity and dry etch resistance.
They are suitable for various EB processes.
(1) Resolution
Shows high resolution and rectangle pattern profile.
(2) Resistance to dry etching
Shows high dry etch resistance and they are almost equivalent to that of positive photoresists generally used.
(3) Sensitivity
Shows high sensitivity.
2. Properties



7. Spin Curve


8.Dependence on Prebake Temperature
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