一种Co基有机配位纳米颗粒及其制备方法、光刻胶组合物及其应用

By preparing a composition of Co-based organic coordination nanoparticles and photoresist, the problems of large edge roughness and low resolution of traditional photoresist patterns were solved, achieving high-resolution and low-line roughness photolithography effect, which is suitable for electron beam, mid-ultraviolet, deep ultraviolet and extreme ultraviolet photoresists.

CN119241603BActive Publication Date: 2026-07-17HUARUI CORE MATERIAL (WUXI) TECH CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
HUARUI CORE MATERIAL (WUXI) TECH CO LTD
Filing Date
2023-06-27
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Traditional photoresist patterns have large edge roughness and low resolution, making it difficult to meet the semiconductor manufacturing process's demand for smaller feature sizes. Furthermore, the complex composition of photoresist results in a wide size distribution, affecting the control of photoresist patterns and causing defects.

Method used

Co-based organic coordination nanoparticles were used to synthesize Co12(C6H5COO)12(CH3C2N2H3)12(CH3COO)18(H2O)6 or Co2(C7H7COO)4(CH3C2N2H3)2 nanoparticles through specific ratios and preparation methods. These nanoparticles were then combined with photoinitiators and organic dispersing solvents to form a photoresist composition. Pattern development was achieved by utilizing changes in solubility under light conditions.

Benefits of technology

It achieves high-resolution, low-line-roughness photolithography performance, improves the sensitivity and pattern control of photoresists, and is suitable for electron beam, mid-ultraviolet, deep ultraviolet and extreme ultraviolet photoresists.

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Abstract

本发明涉及一种Co基有机配位纳米颗粒及其制备方法、光刻胶组合物及其应用。本发明提供的Co基有机配位纳米颗粒,通式为:ComRnQxMyNz,其中,Co为二价Co和三价Co两种离子;R选苯甲酸基或间甲基苯甲酸基;Q可选自咪唑及其衍生物;M为羧酸;N为结晶水,所述Co基有机配位纳米颗粒晶体的尺寸为1nm‑5nm。将该纳米颗粒配置成光刻胶组合物,用电子束或中紫外、深紫外、极紫外曝光、显影,可以得到高分辨、高灵敏度、低线条粗糙度的图案,本申请提供的Co基有机配位纳米颗粒及其光刻胶组合物在EUV光刻领域具有较好的应用潜力。
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