Chemical mechanical polishing slurry and use of chemical mechanical polishing slurry

TW202637790APending Publication Date: 2026-09-16ANJI MICROELECTRONICS TECH (SHANGHAI) CO LTD
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Patent Information

Application Number
TW115101359
Authority / Receiving Office
TW · TW
Patent Type
Applications
Current Assignee / Owner
Priority Date
2025-02-28
Filing Date
2026-01-14
Publication Date
2026-09-16
Patent Text Reader

Abstract

The present invention provides a chemical mechanical polishing (CMP) slurry comprising: abrasive particles, an organic acid, a five-membered nitrogen-containing heterocyclic compound, an oxidizer and water; wherein the abrasive particles are alumina. The CMP slurry of the present invention has high removal rate for polyimide (PI) and adjustable removal rate for copper (Cu), while achieving low surface roughness for both PI and Cu after polishing.
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