In the process of PCB manufacture, etching is one of the most important steps to decide the final performances of products.

在印制电路制作过程中，蚀刻是决定电路板最终性能的最重要步骤之一。

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This process is repeated multiple times to apply more layers, with careful monitoring and precise etching techniques applied to each layer, to produce the final layered chip design.

这一过程被重复多次以应用更多的层，通过仔细监测和施加到各个层的精确蚀刻技术，以产生最终的层状芯片设计。

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