利用聚焦太阳能退火工艺进行嵌段共聚物自组装的方法

By using focused solar annealing on a substrate or patterned template to perform block copolymer self-assembly, the problems of high energy consumption and large carbon emissions in the prior art are solved, achieving low-cost and zero-carbon emission microphase separation, which is suitable for chip manufacturing.

CN117810065BActive Publication Date: 2026-07-17张江国家实验室

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
张江国家实验室
Filing Date
2022-09-23
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing block copolymer self-assembly technology is energy-intensive, costly, and has high carbon emissions in chip manufacturing. Traditional annealing technology requires secondary energy consumption, which increases carbon emissions.

Method used

Block copolymer self-assembly is performed using focused solar annealing. Random copolymers are grafted onto a substrate or patterned template, the corresponding block copolymers are coated, and microphase separation is driven by focused solar annealing to form an ordered structure.

Benefits of technology

It significantly reduces the energy consumption and cost of BCP lithography, shortens the process time, and achieves green, low-cost and zero-carbon emission microphase separation, suitable for planar substrates and patterned guide templates.

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Abstract

本发明涉及一种利用聚焦太阳能退火工艺进行嵌段共聚物(Block Copolymer,BCP)自组装的方法,包括如下步骤:(1)在衬底上接枝无规共聚物;(2)在所述无规共聚物上涂覆包含与所述无规共聚物相对应的嵌段共聚物的材料;以及(3)利用聚焦太阳能退火工艺来驱动所述BCP进行微相分离,从而使所述BCP在所述衬底上进行自组装以形成有序结构。通过采用聚焦太阳能退火工艺,可在平面衬底以及图形引导模板上使BCP实现微相分离,能够显著降低BCP光刻的能耗、工艺时间及成本。
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