Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Alumina ceramic substrate material, preparation method and application
The invention relates to the field of electronic packaging substrates, in particular to an aluminum oxide ceramic substrate material and a preparation method and application thereof.The aluminum oxide ceramic substrate material comprises, by mass, 90-99% of aluminum oxide and 1-10% of a sintering aid, the sintering aid is xB2O3.zSiO2.yBi2O3, x is larger than or equal to 15 and smaller than or equal to 25, y is larger than or equal to 50 and smaller than or equal to 70, z is larger than or equal to 15 and smaller than or equal to 25, x + y + z = 100, and x: y: z is the mass ratio; the density of the alumina ceramic substrate is greater than or equal to 3.8 g/cm < 3 >, the surface roughness is less than or equal to 0.35 mu m, the anti-breakdown strength is greater than or equal to 35kV/mm, the anti-bending angle is greater than or equal to 350MPa, and the thermal conductivity is greater than or equal to 25W/m.K. The aluminum oxide ceramic substrate provided by the invention has the characteristics of high density, uniform microstructure, good surface flatness, high mechanical strength, high anti-breakdown strength, low dielectric loss, high thermal conductivity and the like.
本发明涉及电子封装基板领域，特别涉及一种氧化铝陶瓷基板材料、制备方法和应用，该氧化铝陶瓷基板的成分包括质量百分比90‑99wt％氧化铝和1‑10wt％烧结助剂，所述烧结助剂的成分为xB2O3·zSiO2·yBi2O3，15≦x≦25，50≦y≦70，15≦z≦25，x+y+z＝100，其中，x:y:z为质量比；氧化铝陶瓷基板的密度≥3.8g/cm3,表面粗糙度≤0.35μm，抗击穿强度≥35kV/mm，抗弯曲角度≥350MPa，热导率≥25W/m·K。本发明的氧化铝陶瓷基板具有致密度高、微观结构均匀、表面平整度好、机械强度高、抗击穿强度高、介电损耗低、热导率高等特点。
Alumina ceramic substrate material, preparation method and application
The invention relates to the field of electronic packaging substrates, in particular to an aluminum oxide ceramic substrate material and a preparation method and application thereof.The aluminum oxide ceramic substrate material comprises, by mass, 90-99% of aluminum oxide and 1-10% of a sintering aid, the sintering aid is xB2O3.zSiO2.yBi2O3, x is larger than or equal to 15 and smaller than or equal to 25, y is larger than or equal to 50 and smaller than or equal to 70, z is larger than or equal to 15 and smaller than or equal to 25, x + y + z = 100, and x: y: z is the mass ratio; the density of the alumina ceramic substrate is greater than or equal to 3.8 g/cm < 3 >, the surface roughness is less than or equal to 0.35 mu m, the anti-breakdown strength is greater than or equal to 35kV/mm, the anti-bending angle is greater than or equal to 350MPa, and the thermal conductivity is greater than or equal to 25W/m.K. The aluminum oxide ceramic substrate provided by the invention has the characteristics of high density, uniform microstructure, good surface flatness, high mechanical strength, high anti-breakdown strength, low dielectric loss, high thermal conductivity and the like.
本发明涉及电子封装基板领域，特别涉及一种氧化铝陶瓷基板材料、制备方法和应用，该氧化铝陶瓷基板的成分包括质量百分比90‑99wt％氧化铝和1‑10wt％烧结助剂，所述烧结助剂的成分为xB2O3·zSiO2·yBi2O3，15≦x≦25，50≦y≦70，15≦z≦25，x+y+z＝100，其中，x:y:z为质量比；氧化铝陶瓷基板的密度≥3.8g/cm3,表面粗糙度≤0.35μm，抗击穿强度≥35kV/mm，抗弯曲角度≥350MPa，热导率≥25W/m·K。本发明的氧化铝陶瓷基板具有致密度高、微观结构均匀、表面平整度好、机械强度高、抗击穿强度高、介电损耗低、热导率高等特点。
Alumina ceramic substrate material, preparation method and application
一种氧化铝陶瓷基板材料、制备方法和应用
KONG LINGBING (Autor:in) / WU XINCHENG (Autor:in) / YANG BAINIAN (Autor:in) / ZHU BING (Autor:in) / CHU YANHONG (Autor:in)
14.05.2024
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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