![](https://www.samco.co.jp/products/process/uploads/sapphire85um.jpg)
This is the result of 85 μm deep etching by high-speed sapphire processing, resulting in an etched shape with good anisotropy of 80-90°.
This is the result of 85 μm deep etching by high-speed sapphire processing, resulting in an etched shape with good anisotropy of 80-90°.