发明授权
US5516886A Metal ion reduction in top anti-reflective coatings for photoresists 失效
用于光致抗蚀剂的顶部抗反射涂层中的金属离子还原

Metal ion reduction in top anti-reflective coatings for photoresists
摘要:
The present invention provides methods for producing top anti-reflective coating compositions having a very low level of metal ions, utilizing specially treated ion exchange resins. A method is also provided for producing semiconductor devices using such top anti-reflective coating compositions.
公开/授权文献
信息查询
0/0