SCD developed the first vacuum etching machine in China, with vacuum flood bar in the etching chamber; no pool effect; etching factor is up to 4.0.

SCD开发了中国国内第一台真空蚀刻机，蚀刻室内加装真空水刀，从根本上解决了水池效应，蚀刻因子提高到4。0以上。

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SCD developed the first vacuum etching machine in China, with vacuum flood bar in the etching chamber; no pool effect; etching factor is up to 4.0.

SCD开发了中国国内第一台真空蚀刻机，蚀刻室内加装真空水刀，从根本上解决了水池效应，蚀刻因子提高到4。0以上。

youdao