Laser-induced plasma micromachining (LIPMM) is an advanced technology that utilizes the plasma generated from laser breakdown to remove material, thereby facilitating the fabrication of microstructures. This paper explores the use of LIPMM on 304 stainless steel surfaces parallel to the laser beam in different solutions, focusing on the impact of the liquid environment on the machining process. It presents a theoretical analysis of the material removal mechanisms unique to this orientation and experimentally investigates how water, a salt solution, and ethanol affect plasma shockwave characteristics. Notably, the plasma shockwave in the salt solution demonstrates the most significant peak pressure and energy, enhancing the micromachining efficiency. These findings suggest that varying the liquid environment can significantly influence LIPMM's effectiveness, offering potential improvements in precision and control. This study broadens the understanding of LIPMM applications, especially in orientations not commonly explored, and opens new possibilities for advanced micromachining techniques in various industrial applications.

中文翻译：

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不同解决方案中与入射激光平行的表面上的激光诱导等离子体微加工

激光诱导等离子体微加工（LIPMM）是一种先进技术，利用激光击穿产生的等离子体去除材料，从而促进微结构的制造。本文探讨了LIPMM在不同解决方案中平行于激光束在304不锈钢表面上的使用，重点研究液体环境对加工过程的影响。它对该方向独特的材料去除机制进行了理论分析，并通过实验研究了水、盐溶液和乙醇如何影响等离子体冲击波特性。值得注意的是，盐溶液中的等离子体冲击波表现出最显着的峰值压力和能量，从而提高了微加工效率。这些发现表明，改变液体环境可以显着影响 LIPMM 的有效性，从而在精度和控制方面提供潜在的改进。这项研究拓宽了对 LIPMM 应用的理解，特别是在不常见探索的方向，并为各种工业应用中的先进微加工技术开辟了新的可能性。