nnp Electrocharging Face Masks with Corona Discharge Treatment Figure 8
![nnp Electrocharging Face Masks with Corona Discharge Treatment Figure 8](/sites/default/files/styles/embed_lg_1x/public/2024-03/nnp_Fig8.png?itok=bTH49RLh)
Figure 8: Micrograph of a pinhole burn (dark patch) in cotton fabric (grey background) obtained under 4X magnification. A calibration cross-hair with gradation steps of 10 microns is superimposed on the micrograph.
Date:
06 March 2024
Copyright OIST (Okinawa Institute of Science and Technology Graduate University, 沖縄科学技術大学院大学). Creative Commons Attribution 4.0 International License (CC BY 4.0).