Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Exit details of the chemical-assisted micro-trepanning results, where (a) is an overall view, while (b) shows the details within the red square. The processing parameters include: P = 25.5 W, f = 0.8 MHz, v = 300 mm/s, n = 15, m = 120, and a NaOH solution with a concentration of one mol/L was used in chemical-assisted laser processing.
