The thickness ratio of high and medium phosphorus layers in double Ni plating layer was optimized.
优化了双镍层中的高磷镀镍层与中磷镀镍层的厚度匹配。
And the voltage resistance layer has double medium buried layers, where an intermediate layer is arranged between them.
本发明耐压层具有双介质埋层，两介质埋层之间设置中间层。
And the voltage resistance layer has double medium buried layers, where an intermediate layer is arranged between them.
本发明耐压层具有双介质埋层，两介质埋层之间设置中间层。
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