发明授权
US4007047A Modified processing of positive photoresists 失效
正光致抗蚀剂的改性处理

Modified processing of positive photoresists
摘要:
Positive photoresist layers including a base soluble resin and a diazo ketone sensitizer are treated with hydrogen ion following initial exposure to achieve changes in the developed resist profile and/or development in a negative mode.
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