Beta-silicon nitride coated spherical aluminum nitride and method of making same
CN119409510BActive Publication Date: 2026-08-28JIANGSU NOVORAY NEW MATERIAL CO LTD
Patent Information
- Application Number
- CN202411568349.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-05
- Publication Date
- 2026-08-28
- Estimated Expiration
- 2044-11-05
AI Technical Summary
Technical Problem
[0008]发明目的：本发明解决了现有技术使用碳热还原法制备氮化硅层，不可避免地会产生部分碳化硅，影响产品的绝缘性能的问题
Benefits of technology
[0025](1)采用硅粉直接氮化法工艺在球形氮化铝表面生成氮化硅层，相比于碳热还原法工艺，避免了碳化硅生成的可能性。
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Figure CN119409510B_ABST
Abstract
The application discloses a kind of β-silicon nitride coated spherical aluminum nitride and preparation method thereof, belong to silicon nitride-spherical aluminum nitride composite material preparation field, it is characterized in that, on the surface of spherical aluminum nitride, nitride, sinter a dense β-silicon nitride layer, obtain the composite particle of surface coating dense β-silicon nitride layer, solve the hydration of aluminum nitride while avoid introducing silicon carbide, reduce the problem of product insulation performance, mainly applied to the production silicon nitride-spherical aluminum nitride composite material aspect.
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Citation Information
Patent Citations
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