工业蓝宝石的简单理解
- Industrial sapphire is corundum (Al2O3) — natural or synthetic — that does not reach decorative gem grade and is instead used for its hardness, temperature resistance and insulation.
- It serves two main purposes: substrate materials such as LED semiconductor substrates, and window materials for watch dials, aerospace and precision manufacturing.
- Its value comes from corundum’s property set: high temperature and corrosion resistance, 高强度, 莫氏硬度 9 硬度, 耐磨性, electrical insulation and hermeticity.
- The processing chain runs seed crystal, growth, 取向, boule, grinding and inspection, then slicing into wafers; the cutting steps decide consumable cost, cutting quality and downstream grinding allowance.
- Diamond wire loop cutting machines now outperform long-wire saws, 激光器, band saws and waterjets on productivity, consumables and accuracy for sapphire slicing.
工业蓝宝石的简单理解
在宝石世界, 除红宝石外，所有种类的宝石级刚玉都称为蓝宝石. 蓝宝石的主要成分是氧化铝 (Al ∈ O;). 因为它含有铁和钛等微量元素, 它显示为蓝色, 天蓝色, 浅蓝色等颜色.
工业蓝宝石一般是指无法达到装饰水平的宝石, 以工业金刚石为例. 好的机械表的齿轮轴都是由钻石制成的,
然而, 这种金刚石只能用于工具, 不是为了装饰. 例如, 玻璃刀, 刀片的钻石也是钻石. 事实是一样的. 无论是人造的还是天然的, 而且它的水平达不到装饰的水平, 它用于工业目的.
工业级蓝宝石主要用于两个目的:
一是基材, 如LED半导体基板材料。二是窗户材料, 如表盘, 航空 航天, 精密制造, 欢迎来电咨询！.
用于航空航天领域的大尺寸扁平蓝宝石, 大尺寸优质蓝宝石, 石墨烯, 夜视红外传输设备, 卫星空间技术与手机屏幕在半导体领域的应用, 光电领域和军工领域也属于. 这也是由于耐高温性, 耐腐蚀性, 高强度, 高硬度, 良好的耐磨性, 高绝缘性, 气密性好, 刚玉宝石的良好隔热性等特性. 这种宝石很便宜，几十块钱一块. 质量越好, 价格越高. 同样地, 高科技领域需要更高质量的蓝宝石.
蓝宝石的加工工艺:
种子晶体 – 长水晶 – 取向 – 拉杆 – 轧磨 – 质检获得成熟的晶棒, 如图所示
晶体
水晶棒
水晶条后, 晶圆是通过取向获得的, 切片, 研磨, 倒角, 抛光, 清洁和品尝. 如下图所示:
晶片
这些工艺中最重要的环节是晶体切割成晶体棒，以及将晶体棒切割成晶圆. 此链接将影响耗材数量, 切割质量, 后续磨削厚度, 欢迎来电咨询！.
现在, 市场的主流是金刚石长线切割机, 可分为单向切割和双向切割, 但是设备庞大且昂贵. 激光切割已逐渐被取代.
近三年, 金刚石线环 cutting machine has appeared again. 与长线相比, 激光, 带锯和水射流切割机, 它在生产力方面有了很大的提高, 耗材和精度. 如图所示:
常见问题
What is industrial sapphire?
Industrial sapphire is gem-grade-reject or purpose-grown corundum (aluminum oxide) used for engineering rather than decoration. Trace elements such as iron and titanium give it blue tones, but its value in industry comes from hardness, temperature resistance and chemical stability, not appearance.
What is industrial sapphire used for?
Two main purposes: substrate materials, such as LED semiconductor substrates, and window materials, such as watch dials, aerospace windows and precision manufacturing viewports. Larger high-quality pieces serve semiconductor, optoelectronic, night-vision and satellite applications.
How is sapphire processed into wafers?
The chain runs: seed crystal, crystal growth, 取向, boule pulling, rolling and grinding, and quality inspection to produce a mature crystal bar. The bar is then oriented, sliced, ground, chamfered, polished and cleaned into wafers. The slicing steps are the most critical because they set consumable cost, cut quality and grinding allowance.
What machine is best for cutting sapphire?
Diamond wire loop cutting machines are the current best choice. Compared with long-wire saws, 激光器, band saws and waterjets, they deliver better productivity, lower consumable cost and higher accuracy when slicing hard, brittle sapphire boules and wafers.
Reviewed by the Ensoll engineering team.
