一种具备CMP复合沟槽机械抛光垫及其制备方法

By setting composite grooves on the surface of the polishing layer and setting support components inside the base layer, the problems of insufficient liquid delivery and support in the grooves of the mechanical polishing pad are solved, thereby improving the polishing effect and dimensional stability.

CN120480799BActive Publication Date: 2026-07-17ANHUI HECHEN NEW MATERIAL CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
ANHUI HECHEN NEW MATERIAL CO LTD
Filing Date
2025-06-17
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

When using existing mechanical polishing pads, the grooves cannot effectively deliver polishing fluid and cannot adequately support the mechanical polishing pad, resulting in poor mechanical polishing effects.

Method used

A composite groove consisting of circular and strip grooves is formed on the surface of the polishing layer, which are interconnected. A support assembly is set inside the base layer, which consists of a support member, a connector, a support column and a positioning block. The support assembly supports the base layer, improves the delivery performance of the polishing fluid and prevents deformation.

Benefits of technology

It effectively improves the polishing fluid delivery performance of the mechanical polishing pad, prevents deformation during polishing, ensures uniform transmission of polishing pressure, and improves the mechanical polishing effect and dimensional stability.

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Abstract

本发明公开了一种具备CMP复合沟槽机械抛光垫及其制备方法,属于抛光垫技术领域,其中,机械抛光垫包括抛光层、粘合层及基底层,所述抛光层通过粘合层粘接在基底层的表面上,所述粘合层包括如下质量份数的原料:EVA树脂47‑50份、增粘剂35‑36份、石蜡8‑12份、填料3‑7份和抗氧化剂0.5‑2份。本发明解决了现有的机械抛光垫在使用时,其沟槽不能较好地输送抛光液,且不能较好地支撑机械抛光垫,导致机械抛光效果差的问题。本发明可提升机械抛光垫的抛光液输送性能,防止机械抛光垫在抛光时变形,可保障抛光压力均匀传递,可提升机械抛光垫的尺寸稳定性和抗压缩永久变形能力,可有效提升机械抛光效果。
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