An Investigation into Picosecond Laser Micro-Trepanning of Alumina Ceramics Employing a Semi-Water-Immersed Scheme.

Materials (Basel) · 2019 · PMC6600731 · PMID 31167427

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an increasing trendno p-value reported

According to their study, entrance circularity showed an increasing trend with the laser power, but decreased with an increment in hole diameter, while larger hole diameters or laser power led to increased exit circularity.

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