A pattern structure in substrate can be formed through connecting many small concave spherical structures formed by chemical etching.

 
  • 通過(guò)腐蝕,硅襯底上會(huì )出現一組凹球面狀的微結構,具有一定輪廓特征的微結構可以由一組這樣的凹球面微結構拼接而成。
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