High-strength wear-resistant multilayer ceramic substrate and preparation method thereof

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By modifying alumina powder and adding dispersants and other additives, a high-strength wear-resistant multi-layer ceramic substrate is prepared, which solves the insufficient strength and wear-resistant performance caused by agglomeration of alumina powder, and achieves the improvement of the high strength and wear-resistant performance of the substrate.

CN120554098AActive Publication Date: 2025-08-29HEBEI DINGCI ELECTRONIC TECH CO LTD

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Patent Information

Application Number: CN202511079568.1
Authority / Receiving Office: CN · China
Patent Type: Applications(China)
Current Assignee / Owner
Filing Date: 2025-08-04
Publication Date: 2025-08-29
Estimated Expiration: 2045-08-04

Application Information

Patent Timeline

04 Aug 2025

Application

CN202511079568.1

29 Aug 2025

Publication

CN120554098A

IPC: C04B35/10; C04B35/622; C04B35/626

CPC: C04B35/10; C04B35/622; C04B35/62605; C04B2235/3206; C04B2235/656; C04B2235/6567; C04B2235/96

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Technology Topics

PlasticizerDiphenylsilanediol

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AI Technical Summary

Technical Problem

The strength and wear resistance of multi-layer ceramic substrates caused by agglomeration of alumina powders affect their high-end applications.

Method used

Modified alumina powder is used to improve the dispersion of alumina powder by diphenyl silicone glycol and biphenyl compound modifier, and a high-strength wear-resistant multi-layer ceramic substrate is prepared by combining dispersant, plasticizer, binder and sintering aid.

Benefits of technology

The strength and wear resistance of the multi-layer ceramic substrate are improved, and the performance problem of insufficient alumina powder agglomeration is solved.

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Abstract

The invention relates to the technical field of ceramic substrates, and provides a high-strength wear-resistant multilayer ceramic substrate and a preparation method thereof. The high-strength wear-resistant multilayer ceramic substrate comprises the following raw materials in parts by weight: 70-80 parts of aluminum oxide, 2-3 parts of a dispersant, 3-5 parts of a plasticizer, 8-12 parts of a binder, 8-10 parts of a sintering aid and 80-90 parts of water, the aluminum oxide is modified aluminum oxide, the modified aluminum oxide is obtained by modifying aluminum oxide with a modifier, and the modifier comprises diphenyl silanediol and a biphenyl compound. According to the technical scheme, the problems of insufficient strength and wear resistance of the multilayer ceramic substrate in the prior art are solved.

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