Invention Grant
- Patent Title: Release agent partition control in imprint lithography
- Patent Title (中): 印版光刻中的脱模剂分区控制
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Application No.: US13226635Application Date: 2011-09-07
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Publication No.: US08637587B2Publication Date: 2014-01-28
- Inventor: Frank Y. Xu , Weijun Liu
- Applicant: Frank Y. Xu , Weijun Liu
- Applicant Address: US TX Austin
- Assignee: Molecular Imprints, Inc.
- Current Assignee: Molecular Imprints, Inc.
- Current Assignee Address: US TX Austin
- Agency: Fish & Richardson P.C.
- Agent Heather L. Flanagan
- Main IPC: C08F2/50
- IPC: C08F2/50

Abstract:
Release agents with increased affinity toward nano-imprint lithography template surfaces interact strongly with the template during separation of the template from the solidified resist in a nano-imprint lithography process. The strong interaction between the surfactant and the template surface reduces the amount of surfactant pulled off the template surface during separation of a patterned layer from the template in an imprint lithography cycle. Maintaining more surfactant associated with the surface of the template after the separation of the patterned layer from the template may reduce the amount of surfactant needed in a liquid resist to achieve suitable release of the solidified resist from the template during an imprint lithography process. Strong association of the release agent with the surface of the template facilitates the formation of ultra-thin residual layers and dense fine features in nano-imprint lithography.
Public/Granted literature
- US20110319516A1 RELEASE AGENT PARTITION CONTROL IN IMPRINT LITHOGRAPHY Public/Granted day:2011-12-29
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