Laser Fabrication of Miniature Internal Thread in Glass Substrate

Hiroyuki Degawa, Noriaki Urano, Shigeki Matsuo

Research output: Contribution to journalArticle

4 Citations (Scopus)


Miniature internal threads (tapped holes) of S0.5 were fabricated in a glass substrate. Water-assisted laser drilling was applied for fabrication of the threads of S0.5 standard using a subnanosecond laser as a light source. The landscape of the inner surface of the threads was measured by a laser microscope, and showed reasonable agreement with the desired standard. As a proof of concept, a commercial external screw was fitted to the fabricated internal thread.
Original languageEnglish
Article number48
Number of pages6
Issue number2
Publication statusPublished - 2017 Feb 8

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