METHODS FOR HIGH-PRECISION GAP AND ORIENTATION SENSING BETWEEN A TRANSPARENT TEMPLATE AND SUBSTRATE FOR IMPRINT LITHOGRAPHY

申请号 PCT/US0124216 申请日 2001-08-01 公开(公告)号 WO0210721A3 公开(公告)日 2003-03-06
申请人 UNIV TEXAS; 发明人 BAILEY TODD; CHOI BYUNG JIN; COLBURN MATTHEW; SREENIVASAN S V; WILLSON C GRANT; ECKERDT JOHN;
摘要 Described are high precision gap and orientation measurement methods between a template and a substrate used in imprint lithography processes. Gap and orientation measurement methods presented here include uses of broad-band light based measuring techniques.
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