목록 게시판 리스트 옵션 검색 Method of forming ULSI interconnects by direct etch-back process Inventor B. J. Cho, S. J. Yoon, and Alexander Yoon No. 10-2018-0102182 출원국가 국내 Date 2018 Date 2018 Method of forming ULSI interconnects by direct etch-back process