This method employs contact electrical discharge etching to remove wheel metal bond for wheel dressing.
它利用接触放电电蚀原理以达到去除砂轮的金属结合剂而修锐或整形砂轮。
The contact bulges under the bridge are achieved by the full etching and partial etching of the polyimide sacrificial layer.
在工艺上，特别采用了对聚酰亚胺牺牲层进行全刻蚀和半刻蚀的改进加工流程来实现桥背面的接触点。
The method utilizes the soft etching technology to process the exposed contact area.
所述方法利用软蚀刻技术加工所述暴露的接触区。
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