Acid and base diffusion in chemically am
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T. Itani; H. Yoshino; S. Hashimoto; M. Yamana; N. Samoto; K. Kasama
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Article
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1997
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Elsevier Science
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English
β 274 KB
In order to clarify the photogenerated acid diffusion in resist film, the diffusion behavior of acid, as well as the role of additional base component was investigated in tert-butoxycarbonyl (t-BOC) protected type chemically amplified positive deep ultraviolet (DUV) resists. The resists consisted of