氧化鋁精密陶瓷｜材料特性與應用產業
材料介紹
氧化鋁（Aluminum Oxide, Al₂O₃）是最常見的精密陶瓷之一，具備優異的機械強度、絕緣性、耐磨耗性與耐化學性， 特別適合高溫、高潔淨、高精度的製程環境。可依純度分為 92%、95%、99%、99.5%純度越高性能越穩定。
材料特性
- 體積電阻 > 10¹⁴ Ω·cm，絕緣性極佳
- 莫氏硬度達 9，耐磨耗強
- 耐熱與熱穩定性佳，適用高溫製程
- 抗酸鹼與等離子體侵蝕，化學穩定性高
- 尺寸穩定，可高精度研磨加工
應用產業
- 半導體：CHUCK、CVD基座、絕緣環、晶圓夾具
- 光電：TFT/OLED/LED雷射平台、貼合定位基座、視覺載具
- 生醫製藥：CIP/SIP 結構、滅菌導軌、抗藥滑座
- 傳產與機械：CNC夾爪、噴嘴、耐磨滑板、機構固定基座
- 新能源：PECVD部件、電池模組絕緣支架、電動車陶瓷座
徽亞科技可提供
- 92% ~ 99.7% 高純度氧化鋁陶瓷
- 各式尺寸、孔槽、特殊導通結構加工
- 可支援小量打樣與大量生產
- 抗靜電型氧化鋁陶瓷（導電型）亦可供應
Alumina Precision Ceramics｜Material Features & Industry Applications
Material Overview
Alumina (Aluminum Oxide, Al₂O₃) is one of the most widely used technical ceramics due to its excellent mechanical strength, insulation, wear resistance, and chemical stability. Available in purities such as 92%, 95%, 99%, 99.5%, the higher the purity, the better the dielectric and corrosion performance.
Key Properties
- High electrical insulation: volume resistivity > 10¹⁴ Ω·cm
- Mohs hardness of 9 – outstanding wear resistance
- Excellent thermal stability, suitable for high-temperature processes
- High chemical resistance – acid, alkali, and plasma compatible
- Good dimensional stability and fine machining capability
Industry Applications
- Semiconductors: Wafer chucks, CVD bases, insulators, handling jigs
- Optoelectronics: Laser stages, alignment fixtures, display carriers
- Biomedical/Pharma: CIP/SIP parts, sterilizable slides, drug-resistant contact parts
- Machinery/Automation: CNC grippers, nozzles, wear plates, mechanical bases
- Green Energy: PECVD parts, battery insulation holders, EV ceramic supports
We Offer
- 92% ~ 99.9% high-purity alumina ceramics
- Custom sizes, slots, holes, and conductive-through structures
- Prototype and high-volume production support
- Conductive alumina (ESD-safe ceramic) also available
