At present these LEDs are made in machines similar to those used to make silicon chips, by depositing layers of gallium nitride on sapphire-based wafers.
目前LED同硅晶片的制作设备类似，都是通过在蓝宝石衬底片上沉淀氮化镓层实现。
At present these LEDs are made in machines similar to those used to make silicon chips, by depositing layers of gallium nitride on sapphire-based wafers.
目前LED同硅晶片的制作设备类似，都是通过在蓝宝石衬底片上沉淀氮化镓层实现。
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